HVAC Know It All Podcast – Details, episodes & analysis

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/ 

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/ 

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/ 

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/

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

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/

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/

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

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/

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/