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How to Clean HVAC Coils Without Causing Corrosion or Voiding OEM Guidelines | John Pastorello Part 220 Mar 202500:17:46

In this episode of HVAC Know It All Podcast, host Gary McCreadie continues his convo with John Pastorello, an expert in HVAC cleaning solutions, and CEO at RTX Scientific, Inc dba Refrigeration Technologies. In Part 02 they break down coil cleaners, explaining why choosing the right product is crucial for different HVAC parts. John warns about the damage caused by harsh cleaners like brighteners and highlights the benefits of using ones with corrosion inhibitors. They also discuss how these cleaners protect aluminum and copper components, along with practical tips for HVAC technicians, such as correct dilution ratios and the importance of rinse aid technology. This discussion gives HVAC professionals key insights into proper cleaning methods to boost system performance and extend equipment lifespan.


John Pastorello explains the challenges HVAC technicians face in keeping coils and ducts clean and why traditional methods often fall short. He stresses the importance of using the right cleaners, especially those with corrosion inhibitors, to protect delicate HVAC components. They discuss how proper cleaning techniques improve system efficiency and lifespan. John highlights the benefits of advanced cleaning products designed for both evaporator and condenser coils and why HVAC professionals should stay updated on the latest cleaning technologies. They also cover how technicians can use these specialized cleaners effectively to maintain peak system performance and reduce energy costs.


This episode is packed with essential HVAC cleaning knowledge, valuable business insights, and advanced maintenance techniques. It helps technicians understand the importance of using the right coil cleaners, enhance system performance, and explore how innovative cleaning products and practices can improve efficiency and reduce energy consumption.


Expect to Learn:

  • How poor cleaning and maintenance can shorten an HVAC system's lifespan.  

  • Why standard cleaning agents can harm systems, while specialized coil cleaners with corrosion inhibitors offer better protection.  

  • The right cleaning techniques and products to prevent component damage.  

  • Common myths about HVAC cleaning and how they affect efficiency.  

  • How HVAC technicians can improve service quality and system performance with advanced cleaning solutions.


Episode Highlights:

[00:33] – Introduction to the Second Part of the Episode with John Pastorello

[01:33] – Risks of wrong cleaners vs. benefits of corrosion-protective solutions.

[02:44] – How corrosion inhibitors in coil cleaners protect HVAC systems after cleaning.

[03:25] – Choosing the right coil cleaner and using rinse aids correctly for better results.

[05:55] – Safe cleaning for aluminum components and the role of pH in maintaining coils.

[08:07] – Practical Application and Safety of High pH Coil Cleaners

[09:52] – Comparing Evaporator and Condenser Coil Cleaners

[11:28] – Biofilms and Coil Degreasing: Microbial Growth and Safe Cleaning Practices

[15:25] – Effective Coil Cleaning: Importance of Dwell Time and Final Thoughts



This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Supply House: https://www.supplyhouse.com/

Cool Air Products: https://www.coolairproducts.net/

Lambert Insurance Services: https://www.lambert-ins.com/ 


Follow the Guest John Pastorello on:

LinkedIn: https://www.linkedin.com/in/john-pastorello-9a6b8328/

Refrigeration Technologies: https://www.linkedin.com/company/refrigeration-technologies/people/ 


Website: https://www.refrigtech.com/ 


Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/ 

Instagram: https://www.instagram.com/hvacknowitall1/ 

The Best Coil Coating for HVAC Techs to Prevent Rust & Equipment Failure with John Pastorello Part 117 Mar 202500:17:03

In this episode of the HVAC Know It All Podcast, host Gary McCreadie, talks with John Pastorello, an HVAC technician and chemist turned innovator, CEO at RTX Scientific, Inc dba Refrigeration Technologies. In this Part 1 they discuss the importance of coil protection and John's invention coil coating, which helps prevent corrosion in tough environments. John explains how this coating protects key HVAC components like condenser coils and rotor lock fittings, extending their lifespan. They also cover practical uses, the science behind corrosion prevention, and how this technology helps HVAC professionals keep systems running longer and more efficiently.


John Pastorello talks about the problem of metal corrosion in HVAC systems and why traditional coatings don't always work. He explains how advanced solutions like coil coating can make HVAC components last longer and run more efficiently. John emphasizes the need for HVAC professionals to use new technologies and better application methods to protect systems from environmental damage. They also discuss how the right techniques and innovative products help keep systems in top shape while cutting down on maintenance costs. Plus, they explore how these advanced coatings prevent rust and corrosion, helping HVAC equipment last longer.


This episode offers useful HVAC tips, covers industry challenges, and provides real solutions to help technicians understand metal corrosion, improve system durability, and apply advanced protective coatings for better performance.


Expect to Learn:

  • Why metal corrosion is a significant concern and how it affects HVAC system durability.

  • The limitations of traditional protective coatings and the advantages of advanced coil coatings.

  • How applying protective coatings properly can extend the life and efficiency of HVAC components.

  • Common misconceptions about metal protection in HVAC systems and their impact on system longevity.

  • How modern technologies are revolutionizing the approach HVAC professionals take towards protecting and maintaining their equipment.


Episode Highlights:

[00:00] – Introduction to John Pastorello

[01:58] – Protective Coil Coatings: Essential for HVAC Maintenance

[03:37] – Viper Coil Coating: The Innovation for Corrosion Prevention

[06:34] – Minimizing Heat Loss: How Coating Thickness Affects Efficiency

[09:46] – Field Application vs. Factory Application: Durability & Longevity

[10:56] – Temperature Limits and Durability of Protective Coatings

[13:24] – Practical Applications: Protecting Various HVAC Components

[15:40] – Coil Cleaning Challenges: Debunking the "Use Water Only" Myth


This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Supply House: https://www.supplyhouse.com/

Cool Air Products: https://www.coolairproducts.net/

Lambert Insurance Services: https://www.lambert-ins.com/ 



Follow the Guest John Pastorello on:

LinkedIn: https://www.linkedin.com/in/john-pastorello-9a6b8328/

Refrigeration Technologies: https://www.linkedin.com/company/refrigeration-technologies/people/



Website: https://www.refrigtech.com/ 



Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/ 

Instagram: https://www.instagram.com/hvacknowitall1/ 


How Europe is Beating North America in HVAC Innovation | Jamie Kitchen | Part 220 Feb 202500:19:42

In this episode of the HVAC Know It All Podcast, Host Gary McCreadie continues his conversation with Jamie Kitchen, an Industry Expert from Danfoss. In Part 2, they will discuss the role of check valves in Heat Pump TXVs in more detail, comparing North American and European TXV designs and discussing why refrigerant adoption differs across regions.


Jamie also shares insights on how inverter-driven heat pumps impact metering devices, the differences between Thermostatic Expansion Valves (TXVs) and Electronic Expansion Valves (EEVs), and how technicians can optimize superheat for maximum efficiency. He emphasizes why proper system design and programming are key when pairing TXVs with inverter compressors, and how aftermarket TXVs offer flexibility for field applications.


This episode is packed with technical knowledge, troubleshooting tips, and real-world applications, making it a must-listen for HVAC professionals looking to sharpen their skills and keep up with industry advancements.


At Danfoss, Jamie Kitchen focuses on HVAC system optimization, helping technicians master TXVs, check valves, and inverter-driven heat pumps. He simplifies complex concepts, making it easier for professionals to diagnose and improve system performance. With expertise in refrigerant flow, superheat control, and expansion valve technology, Jamie provides valuable insights for those looking to stay ahead in the HVAC industry.

Expect to Learn:

1. How check valves in heat pump TXVs work and why they matter.

2. The key differences between North American and European TXV designs.

3. How inverter-driven heat pumps impact metering devices.

4. The role of TXVs vs. electronic expansion valves (EEVs) in system efficiency.

5. Why proper superheat control is crucial for optimizing HVAC performance.

Episode Highlights:

[00:33] – Introduction to Second Part of the Episode with Jamie Kitchen

[02:09] – TXVs in Europe vs. North America: Design, Function & Industry Choices

[03:45] – HVAC Innovation: Is North America Falling Behind Due to Energy Costs?

[08:04] – TXVs vs. EEVs: How Inverter Heat Pumps & Metering Devices Affect Performance

[12:22] – TXVs & Inverter Compressors: Compatibility, Control, and Adjustments.

[16:22] – Final Thoughts: Optimizing Superheat for Efficiency & System Stability

[18:52] – Closing Remarks & Future Meetups


This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Supply House: https://www.supplyhouse.com

Cool Air Products: https://www.coolairproducts.net

Lambert Insurance Services: https://www.lambert-ins.com 


Follow the Jamie Kitchen on:

LinkedIn: https://www.linkedin.com/in/jamie-kitchen/

Danfoss: https://www.linkedin.com/company/danfoss/

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/ 

Website: https://www.hvacknowitall.com

Facebook:https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/ 

Instagram: https://www.instagram.com/hvacknowitall1/ 





Keeping Healthy In HVAC/R And In The Skilled Trades w/Andrew Jax11 Sep 202300:37:53
We speak to Andrew Jax, former Australian body builder and founder of 6 Pack Dad, about how us in HVAC/R and the skilled trades can become healthier and stay that way. Check out Andrew's website ditchthedadfat.com www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Refrigerant Charging Procedures w/Craig Migliaccio28 Aug 202300:59:33
We speak to Craig Migliaccio from AC Service Tech on refrigerant charging procedures. Craig has some amazing books out there, Refrigerant Charging and Service Procedures for Air Conditioning being one of them. https://trutechtools.com/workbook-ac-service-tech-refrigerant-charging-and-service-procedures-for-air-conditioning-by-craig-migliaccio.html www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/ Master Q and A link https://www.surveymonkey.com/r/7BJWS9Q
Thread Sealant, Refrigerant Leaks and Coil Cleaning w/Refrigeration Technologies21 Aug 202300:51:47
We have the crew on, John Pastorello, Mike Pastorello and Ashley Lynds, to discuss a few topics. We discuss thread sealant, more specifically how Nylog mixes easily with POE oil. We talk on the best approach to refrigerant leak checking and also discuss coil cleaning and coil cleaners. www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Theft Of Refrigerant and HVAC Equipment w/Jerry Myren21 Aug 202300:33:48
We speak to Jerry Myren from Rectorseal regarding theft of refrigerant and refrigerant huffing, but also the theft of HVAC equipment. We speak about AC Guard and Novent, two Rectorseal products that help prevent theft. www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Evolution Of An HVAC Business Ep. 17: Every HVAC Business Owner Should Own A Megger16 Aug 202300:09:28
Every HVAC business owner should own a megger and know how to use it, why? Because you'll find the faults, your competition is getting callbacks on. Check out the Jobber link. https://getjobber.com/hvacknowitall
A Refrigerant Discussion w/Jamie Kitchen and Jorg Saar31 Jul 202300:51:48
There are many changes on the horizon when it comes to refrigerants. A2L's, R290, drop ins etc, are becoming more prevalent in the HVAC and Refrigeration industry. I speak to Jamie Kitchen and Jorg Saar from Danfoss regarding this topic. www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Buidling Soft Skills In The Skilled Trades w/Tony Furst25 Jul 202300:54:48
We speak to Tony Furst from Armstrong Fluid Technology regarding soft skills and why they are important for building client trust and maintaining client relationships. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
The Ins and Outs of Subcooling w/Jamie Kitchen18 Jul 202300:44:23
We speak to Jamie Kitchen from Danfoss regarding subcooling. If you missed out on the superheat podcast with Jamie check it out here. Listen to the most recent episode of my podcast: The Ins And Outs Of Superheat w/Jamie Kitchen https://anchor.fm/hvacknowitall/episodes/The-Ins-And-Outs-Of-Superheat-wJamie-Kitchen-e12j829 http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Geothermal And Heat Pumps For High Rise Applications w/Andrei Hari and Adam Alacia17 Jul 202300:29:52
We speak to Andrei Hari from Armstrong Fluid Technology and Adam Alacia from Geosource regarding a high Rise geothermal site which included in suite heat pumps. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Check out https://chiirp.com/ Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Evolution Of An HVAC Business Ep. 16: Don't Always Try For The Big Sale13 Jul 202300:10:36
On this episode of evolving our HVAC/R business we discuss creating customer options that will land you a life long client. Too many only offer new equipment. In my humble opinion, it's better to stand out and provide a dynamic skill set that can help out a customer in the short term, with potential long term gains. Check out the Jobber link. https://getjobber.com/hvacknowitall
How TX Valves Adapt to Multiple Refrigerants and Improve Heat Pumps | Jamie Kitchen | Part 117 Feb 202500:20:19

In this Episode of the HVAC Know It All Podcast, Host Gary McCreadie is Joined by Jamie Kitchen, an HVAC Expert from Danfoss, to Break Down How Heat Pump Thermostatic Expansion Valves (TXVs) Work and Why Check Valves are Essential.


Jamie Kitchen explains the differences between heat pump Thermostatic Expansion Valves (TXVs) and straight cooling TXVs, why heat pump valves need built-in check valves, and how refrigerant flow reverses in heat pumps. They also discuss the evolution of expansion valves, the transition from pistons to TXVs and now to electronic expansion valves (EEVs), and why technicians often misdiagnose TXVs as the problem.


This episode is packed with technical knowledge, troubleshooting tips, and expert insights that will help HVAC pros better understand metering devices, improve system performance, and reduce misdiagnoses.


Jamie Kitchen shares insights on improving technician expertise and fostering a deeper understanding of heat pump TXVs and check valves. He highlights strategies such as mastering refrigerant flow dynamics, adopting universal TXV kits, and recognizing common misdiagnoses. This episode provides practical advice for HVAC professionals looking to enhance their troubleshooting skills, work more efficiently with modern TXVs, and stay ahead in the ever-evolving HVAC industry.


Expect to Learn:

1.The key differences between heat pump Thermal Expansion Valves (TXVs) and straight cooling TXVs

2. Why built-in check valves are crucial for heat pump operation

3. How refrigerant flow reversal works and why it impacts TXV performance

4. The transition from pistons to TXVs to electronic expansion valves (EEVs)

5. Common misconceptions and troubleshooting tips for TXV-related issues


Episode Highlights:

[00:00] – Introduction to Jamie Kitchen

[01:31] – Understanding Heat Pump Thermostatic Expansion Valves (TXVs), Check Valves & SEER 13 Transition Lessons.

[03:24] – TXVs vs. EEVs: Key Differences & the Importance of Precise Control

[05:26] – TR6 Valve in HVAC: OEM vs. Aftermarket TXVs & the Simplicity of Universal TXV Kits.

[10:07] – Secret Sauce in TXV Bulbs: How refrigerant mixtures impact performance

[15:23] – The Role of Check Valves in Heat Pumps. Preventing reverse flow issues.

[16:28] – How the Check Valve Works in TXVs. Simplifying installation & reducing leaks

[18:08] – Refrigerant Flow & Check Valves. The path of least Resistance Explained


This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Supply House: https://www.supplyhouse.com/

Cool Air Products: https://www.coolairproducts.net/

Lambert Insurance Services: https://www.lambert-ins.com/ 


Follow the Guest Jamie Kitchen on:

LinkedIn: https://www.linkedin.com/in/jamie-kitchen/ Danfoss: https://www.linkedin.com/company/danfoss/


Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/ 

Instagram: https://www.instagram.com/hvacknowitall1/ 


How To Hire, Retain and Fire: In The Skilled Trades w/ Sid Upadhyay29 Jun 202300:38:42
We speak to Sid Upadhyay from WizeHire about hiring and retaining talent and "potential" talent. We also speak about how to fire a person the correct way. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
High Velocity Systems and Zoning w/Lou Pulice26 Jun 202300:35:14
We speak to Lou Pulice from Ecosmart regarding high velocity systems and zoning. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Air Bypassing The Evaporator Coil: How To Determine It20 Jun 202300:09:17
On a recent call, after some basic troubleshooting. I found that air was bypassing the evaporator coil. I explain how I came to that conclusion on this episode.
From Field Tech To Distribution: A Females Perspective w/Lauren Cassa16 Jun 202300:53:59
We speak to Lauren Cassa from the Master Group. She began a career in the skilled trades on the road as a refrigeration apprentice. She switched it up and went into distribution and sales. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Evolution Of An HVAC Business Ep 15: Saying No In HVAC13 Jun 202300:17:04
Learning to say no is sometimes difficult, especially when your HVAC business is new. Don't get overwhelmed and don't trade more money for more stress which will lead to mental and physical strain. Check out the Jobber link. https://getjobber.com/hvacknowitall
HVAC Part Load Situations and Dehumidification w/John Stischok and Tony Mormino02 Jun 202300:44:50
We speak to John Stischok from Armstrong Fluid Technology and Tony Mormino from Insight Partners regarding HVAC part load and dehumidification. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Commercial HVAC Service vs. Residential HVAC Service w/Matt Waxer and Jason Norman29 May 202300:56:35
Commerical HVAC/R service is a bit different from servicing residential HVAC equipment for many reasons. http://www.cintas.com/HVACKnowItAll. Check out Wizehire.com Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/ We speak to Matt Waxer and Jason Norman about their experiences with the commercial side of the industry.
Lineset Covers w/Ken Lyons26 May 202300:42:12
We speak to Ken Lyons from Rectorseal about lineset covers. They set the job off nicely aestics wise and give a professional look to the finished product. We speak about Fortress, Slimduct and Cover Guard. Check out Cintas http://www.cintas.com/hvacknowitall
Evolution Of An HVAC Business Ep 14: Being Assertive In Business12 May 202300:12:47
On this episode, we discuss assertiveness in Business and why it's important. Check out the Jobber link. https://getjobber.com/hvacknowitall
Ultrasonic Refrigerant Leak Detection w/Nick Stojkovski02 May 202300:49:39
We speak to Nick Stojkovski from INFICON about ultrasonic leak detection and their Whiper product. Nick helps us to understand the technology better and offers up ways we can utilize ultrasonic on our jobs for more than just refrigerant leaks. We also touch on the D Tek Stratus cloud hunting feature. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Why Most HVAC Systems Fail Due to High Static Pressure and Poor Airflow with Adam Mufich13 Feb 202500:35:54

In this episode of theHVAC Know It All Podcast, Host Gary McCreadie sits down with Adam Mufich, an Expert in airflow diagnostics and technical trainer at theNational Comfort Institute (NCI). They will discuss deep into the critical role of airflow in HVAC systems, why static pressure doesn't equal airflow, and how technicians can improve system performance with better diagnostics.


Adam shares insights on the TrueFlow Grid, a Revolutionary tool for measuring airflow accurately, and explains how it integrates with MeasureQuick and NCI workflows to help technicians troubleshoot and optimize HVAC systems more efficiently. They also discuss common airflow mistakes, the importance of proper system sizing, and the impact of filter selection on performance.


Expect to Learn:

1. Why airflow is the backbone of HVAC system performance.

2. How the TrueFlow Grid simplifies airflow measurement.

3. The difference between static pressure and airflow and why it matters.

4. How improper system sizing leads to airflow issues.

5. Why deeper pleated filters outperform one-inch filters.


Episode Highlights:

[00:33] – Introduction to the Episode with Adam Mufich

[02:23] – How Important Is Airflow? Adam Explains Why it's a 10/10

[03:35] – Right Way to Sell HVAC Services: Solution-Based Selling & the Role of Airflow Measurement.

[06:19] – The TrueFlow Grid: Accurate Airflow Measurement Beyond Ductwork Limitations.

[10:56] – Static Pressure vs. Airflow Understanding the key differences

[13:29] – TrueFlow Grid & NCI: Optimizing Airflow with Fan Law 2.

[21:28] – Undersized Ducts or Oversized Equipment? The Key to Proper Airflow.

[26:03] – The Deep Pleat Filter Advantage, More surface area = better airflow

[29:25] – Can Better Filtration Reduce White Slime?

[31:45] – UV Lights, Drain Pans & Biofilm, Do UV lights really help?

[33:38] – Final Thoughts: How to Improve Your Airflow Game.



This Episode is Kindly Sponsored by:

Master:https://www.master.ca/

Cintas:https://www.cintas.com/

Supply House:https://www.supplyhouse.com

Cool Air Products:https://www.coolairproducts.net

Lambert Insurance Services:https://www.lambert-ins.com 


Follow the Adam Mufich on:

LinkedIn:https://www.linkedin.com/in/adam-mufich-5225055a/

National Comfort Institute:https://www.linkedin.com/company/national-comfort-institute/ 


Master HVAC diagnostics with Measure Quick & True Flow Grid! 🚀Click the links below to download and start optimizing airflow like a pro! 🔧📊

Measure Quick App:https://play.google.com/store/apps/details?id=com.measurequick.hvac

TrueFlow HVAC Air Flow:https://play.google.com/store/apps/details?id=com.energyconservatory.hvactester&pcampaignid=web_share


Follow the Host:

LinkedIn:https://www.linkedin.com/in/gary-mccreadie-38217a77/ 

Website:https://www.hvacknowitall.com

Facebook:https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram:https://www.instagram.com/hvacknowitall1/ 




Wifi Thermostat Functions (Sensi Touch 2 Smart) w/ Jim Fultz28 Apr 202300:55:58
We speak to Jim Fultz from Emerson about some wifi thermostat functions pertaining to the Sensi Touch 2 Smart Thermostat. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
#betterhvac w/Jim Bergmann20 Apr 202301:03:45
Catching up with Jim Bergmann from measureQuick. We speak about heatpumps, electrification and how technicians can perform #betterhvac Here is the link to Jim's open letter https://measurequick.com/electrification-an-open-letter/ https://anchor.fm/hvacknowitall/episodes/No-Refrigerant-Gauges-No-Worries-wJim-Bergmann-e5baam http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Random HVAC Words Or Phrases : HSPF (Heating Seasonal Performance Factor19 Apr 202300:04:16
HSPF or Heating Seasonal Performance Factor is used to quantify the efficiency of air cooled heat pumps in heating mode.
Evolution Of An HVAC Business Ep 12: Doing It Right The First Time14 Apr 202300:09:30
As a small business or one man show, it becomes critical in doing it right the first time. Staying an extra hour so the next day you can move on the next job is also a critical factor as well. Check out the Jobber link. https://getjobber.com/hvacknowitall
Cooling Start Ups w/Tony Furst14 Apr 202301:00:52
We speak to Tony Furst from Armstrong Fluid Technology regarding cooling start ups. We deep dive into cooling start up considerations and why using gauges could be a bad thing. You can listen to Jim Bergmann and I discuss this on an episode from a couple years back. https://anchor.fm/hvacknowitall/episodes/No-Refrigerant-Gauges-No-Worries-wJim-Bergmann-e5baam http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Skilled Trades and Abusive Behavior w/ Brandi Ferenc and Matt Showers01 Apr 202300:58:36
We speak to Brandi Ferenc, with guest host Matt Showers from the Trade Therapy Podcast, about Brandi's mission to stop the abusive environment that exists in some pockets of the skilled trades. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Corrugated Stainless Steel Tubing w/ Chris Battersby30 Mar 202300:41:05
We speak to Chris Battersby of Batscan regarding corrugated stainless steel tubing, how it can be utilized for gas piping and some bonding requirements. Sensi branding https://whiterodgers.climate.emerson.com/become-a-pro/?utm_source=partner&utm_medium=influencer&utm_campaign=70_Series_Contractor_Branding&utm_content=contractorbranding_influencer-mccreadie http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Industrial HVAC and Ammonia w/Mark Rebilas17 Mar 202300:37:19
We speak to Mark Rebilas from Armstrong Fluid Technology on some industrial HVAC and ammonia safety. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
HVAC/R And Skilled Trades Training Culture w/Ken Midgett and Dan Clapper15 Mar 202300:52:54
We speak to Ken Midgett and Dan Clapper from Interplay Learning about what it means to build a training culture in the skilled trades. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Building Comfort w/Tim DeStasio10 Mar 202300:54:33
We speak to Tim DeStasio about the home he is building and what he's implementing on the building envelope side and HVAC side to gain true comfort within his new home. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
How Compact HVAC Tools Are Revolutionizing Tech Efficiency | Greg Crumpton | Part 209 Feb 202500:29:46

In this episode of the HVAC Know It All Podcast, hostGary McCreadie continues his chat withGreg Crumpton, Vice President atService Logic and Founder and Writer ofdeepKnowledge. Greg has spent over 40 years in the HVAC industry, and in Part 2, he shares his thoughts on where the trade is headed, touching on new installation methods, the rise of press fittings, and why lighter, more compact tools are becoming the norm. They also dig into indoor air quality (IAQ), breaking down common myths and what really works.


Greg talks about how HVAC professionals can stay ahead of the game, embrace new technology, and build a strong career through mentorship and learning. He stresses the importance of education and leadership in solving the skilled labor shortage and helping the industry grow.


At Service Logic, Greg focuses on business operations and workforce development, ensuring companies and technicians are set up for success. Through deepKnowledge, he shares insights about the industry in a way that's easy to understand, and his books available at Barnes & Noble and Amazon help HVAC pros level up their knowledge. His experience covers commercial, industrial, and residential HVAC, with expertise in smart diagnostics, predictive maintenance, and building automation, all key areas shaping the future of the trade.


Expect to Learn:

1. The growing role of press fittings in HVAC and how they compare to brazing.

2. Why compact, lightweight tools are becoming essential for modern technicians.

3. Indoor air quality (IAQ) solutions debunking myths around UV lights and filtration.

4. The importance of mentorship, training, and knowledge-sharing in HVAC.

5. How the HVAC industry is evolving and what professionals must do to stay ahead.


Episode Highlights:

[00:00] – Introduction to Second Part of the Episode with Greg Crumpton

[01:08] – The Rise of Press Fittings Technology in HVAC

[04:41] – Brazing vs. Pressing in Technician's Perspective

[08:12] – How compact, lighter tools are changing trades.

[11:28] – Backpacks vs. Tool Bags: Finding the Best Setup for Efficiency and Safety.

[13:30] – Effectiveness of UV lights in HVAC systems for improving indoor air quality

[22:26] – Mentorship: A Solution to HVAC's Skilled Labor Shortage.

[24:13] – Greg's Book: Deep Knowledge, The importance of continuous learning in HVAC.

[28:09] – Final Thoughts on Embracing Change for HVAC's Future.


This Episode is Kindly Sponsored by:

Master:https://www.master.ca/

Cintas:https://www.cintas.com/hvacknowitall

Supply House:https://www.supplyhouse.com

Cool Air Products:https://www.coolairproducts.net

Lambert Insurance Services:https://www.lambert-ins.com 


Follow the Guest Greg Crumpton on:

LinkedIn:https://www.linkedin.com/in/crumptonskilledtrades/ 

Service Logic:https://www.linkedin.com/company/service-logic/ 

DeepKnowledge Book:https://www.linkedin.com/company/deepknowledge-me/

Get your copy ofDeepKnowledge by Greg Crumpton and explore a world of wisdom and research.

VisitdeepKnowledge.meto learn more!


Follow the Host:

LinkedIn:https://www.linkedin.com/in/gary-mccreadie-38217a77/ 

Website:https://www.hvacknowitall.com

Facebook:https://www.facebook.com/HVAC-Know-It-All-2/

Instagram:https://www.instagram.com/hvacknowitall1/ 



Evolution Of An HVAC Business Ep 11: When Your Vehicle Is Down And Out07 Mar 202300:12:10
We discuss the trials and turbulations when your truck or van goes down for repairs in a small HVAC/R business. https://getjobber.com/hvacknowitall
Drain Pan Heaters In Cold Weather Heat Pumps15 Feb 202300:06:22
Using a drain pan heater on the outdoor unit of a cold weather heat pump will help prevent ice build-up, which can cause coil and fan damage. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Inverter Compressor Technology and Ductless Install Considerations w/Gerry Wagner14 Feb 202300:51:39
We speak to Gerry Wagner of Tosot Bathica about inverter compressor technology, his take on electrification and ductless split install considerations. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
A Data Driven Approach To Indoor Air Quality w/JJ Baird13 Feb 202300:44:57
We speak to JJ Baird from Airthings about the right approach to monitoring and rectifying indoor air quality issues within a home or building. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Evolution Of An HVAC Business Ep 10: GPS And How To Use It10 Feb 202300:09:55
GPS can be a great tool, if used properly. But if it's weaponized against your HVAC/R techs it can be major issue in terms of company morale. https://getjobber.com/hvacknowitall
Live HVAC Industry Chat31 Jan 202300:59:31
I jumped onto a live webinar with my pals from Armstrong Fluid Technology to discuss many industry topics. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Commercial Kitchen Equipment w/Pat Finely and Matt Showers27 Jan 202300:51:14
We speak to Pat Finely from Commercial Kitchen Chronicles podcast with guest co-host Matt Showers, host of the Trade Therapy Podcast. We discuss ice machine operation and maintenance, kitchen exhaust and make up air. Matt interviews Pat in the 2nd half to discuss mental and physical health and some of the struggles Pat has had through the years. https://anchor.fm/commkitchenchronicles https://anchor.fm/trade-therapy http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Mini Split Install Accessories w/Michael Emerick25 Jan 202300:45:43
We speak to Michael Emerick from RectorSeal about some mini split (ductless system) install accessories that make the install easier and more efficient. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Should We Use Copper For Natural Gas?20 Jan 202300:08:24
A little bit of a rabbit hole here, copper used in natural gas piping systems can produce copper sulfide and clog up valves. I talk about how this can happen. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Apprenticeship Training and Journeyman/Apprenticeship Realtionship18 Jan 202300:58:34
We speak to Ilija Martinovich and Matt Waxer about HVAC apprenticeship training and how it's changed. We also talk about the journeyman and apprentice relationship and how it can get complicated at times. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
AI Predictive Maintenance in HVAC for Techs to Maximize Performance | Greg Crumpton | Part 106 Feb 202500:23:40

In this episode of theHVAC Know It All Podcast, hostGary McCreadie sits down with HVAC veteranGreg Crumpton to dive deep into the 2025 industry outlook. With over four decades of experience, Greg offers valuable insights on A2L refrigerant transitions, AI-driven predictive maintenance, and the evolution of HVAC tools and technologies. 

They discuss the psychological shift needed as the industry embraces mildly flammable refrigerants, and why technicians should be ready to adapt. From tool innovations and the rise of smart diagnostics to the importance of IAQ (Indoor Air Quality) post-COVID, this episode covers everything HVAC professionals need to stay ahead in the coming years. 

Greg also emphasizes the importance of fostering a forward-thinking, professional HVAC community, where knowledge sharing and mentorship are key drivers of industry growth. He showcases how collaborative efforts, continuous education, and embracing technology can lead to substantial advancements within the trade.

Their focus typically falls into two categories:

Educate: HVAC technicians and professionals striving to deepen their understanding of evolving industry trends from navigating A2L refrigerant transitions to adopting predictive maintenance and AI-driven diagnostics. This is achieved through continuous learning, adapting to new tools, and staying updated on best practices.

Empower:Individuals within the HVAC sector who aim to enhance their professional development by embracing technology shifts, fostering innovation, and contributing to a culture of knowledge sharing. This includes staying open to emerging tools like press fittings and smart diagnostic systems, while nurturing the next generation of HVAC talent.

Greg shares insights on strengthening technician skill sets and fostering a culture of professionalism within the industry. He highlights strategies such as embracing new technologies, understanding industry standards, and mentoring newcomers to help bridge the skilled labor gap.

The episode offers practical advice for HVAC professionals looking to refine their craft, adopt innovative tools, and position themselves as leaders in the evolving HVAC landscape.

Expect to Learn:1. The A2L refrigerant transition, what it means for HVAC professionals in 2025.2. How predictive maintenance and AI are transforming HVAC service strategies.3. The evolution of HVAC tools from traditional gauges to smart diagnostics and compact tech4. Why press fittings are gaining traction over brazing and their future in HVAC.5. How to navigate the Indoor Air Quality (IAQ) landscape in a post-pandemic world..

Episode Highlights:

[00:33] – Introduction & Greg's New Book Announcement

[02:10] – The 2025 HVAC Outlook, Key industry changes and trends on the horizon.

[03:00] – A2L Refrigerants & Safety Concerns and facts about mildly flammable refrigerants.

[07:22] – Tool Safety & Compatibility. Understanding recovery machine requirements for A2Ls

[11:24] – AI & Predictive Maintenance and Resistance to Change in Residential HVAC.

[19:03] – OEMs vs Third-Party Control Systems.


This Episode is Kindly Sponsored by:

Master:https://www.master.ca

Cintas:https://www.cintas.com/hvacknowitall

Supply House:https://www.supplyhouse.com

Cool Air Products:https://www.coolairproducts.net

Lambert Insurance Services:https://www.lambert-ins.com


Follow the Guest Greg Crumpton on:

LinkedIn:https://www.linkedin.com/in/crumptonskilledtrades/

Service Logic:https://www.linkedin.com/company/service-logic/

Follow the Host:

LinkedIn:https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook:https://www.facebook.com/HVAC-Know-It-All-2/

Instagram:https://www.instagram.com/hvacknowitall1/ 


Psychrometrics w/ John Stischok14 Jan 202300:47:05
We catch up with John Stischok from Armstrong Fluid Technologies to talk about psychrometrics and yes I think it's "nerdy". Catch the YouTube video on Checking Actual Furnace Capacity here https://youtu.be/-Q5iTarCuXE http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
Evolution Of An HVAC Business Ep 9: Call Backs10 Jan 202300:14:11
Call backs for any HVAC/R business can be crushing to time and the bottom line. But call backs for a new business can stunt momentum and good online reviews which are supper important when starting out. Jobber Summit https://go.getjobber.com/garymccreadie-jobbersummit23-podcast
Motivation and Electrification31 Dec 202200:13:14
2023 has many opportunities for the HVAC and Refrigeration industry. Stay motivated and keep up on trends like electrification. http://www.cintas.com/HVACKnowItAll. Save 8% on your purchase https://www.trutechtools.com/ with promo code knowitall Check out the HVAC Know It All app app.hvacknowitall.com https://www.hvacknowitall.com/pages/about Visit HVAC Know It All on social media Facebook https://www.facebook.com/hvacknowitall/ Instagram https://www.instagram.com/hvacknowitall1/
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