How Improper Charging Turns SEER 17 HVAC Systems into SEER 13 with Jamie Kitchen Part 2
Release Date: 07/28/2025
HVAC Service Tips to Find Hidden Failures, Prevent CO Risks & Win Clients with Tyler Nelson Part 2
HVAC Know It All Podcast
In this episode of the HVAC Know It All Podcast, host wraps up his chat with from . In Part 02 of their discussion on refrigerant leaks, sealants, and best practices in HVAC diagnostics. Diving deeper into controversial yet evolving topics, Gary and Tyler examine both the theory and field-tested realities of leak detection and system maintenance, shedding light on how technicians can balance practicality, ethics, and innovation in their everyday work. Tyler and Gary talk about how leak sealants in HVAC systems are seen differently now, with some techs testing them and finding they work well...
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HVAC Maintenance Strategies for Techs to Prevent Carbon Monoxide Deaths with Tyler Nelson Part 1
HVAC Know It All Podcast
In this episode of the HVAC Know It All Podcast, host talks with from about the importance of early maintenance for heating systems. Tyler explains how doing checks before the cold weather hits can help prevent issues like cracked heat exchangers, saving time and stress later. They discuss how tackling maintenance during the shoulder season lets you handle repairs in better conditions, avoiding rushed work in the winter. Tyler also emphasizes the need for combustion analysis and safety checks to protect both technicians and customers from carbon monoxide risks. Tyler talks about the...
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How HVAC Techs Can Use Deep Vacuum, Nitrogen & AI Tools to Reduce Callbacks with Jim Bergmann Part 2
HVAC Know It All Podcast
In part 2 of this episode of the HVAC Know It All Podcast, host continues his conversation with , President of and Director of New Product Development at . In Part 2, they discuss topics like the evolution of vacuuming techniques, moving away from triple evacuation, and why modern two-stage pumps are more efficient. Jim explains how to detect leaks using the decay vacuum method, the importance of nitrogen purging, and how refrigerant and oil behavior affects evacuation times. They also discuss the role of Measure Quick in helping technicians diagnose system issues and communicate better with...
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How Hose Size Beats Pump Size for HVAC Pros to Get Faster & Deeper Evacuation - Jim Bergmann Part 1
HVAC Know It All Podcast
In this episode of the HVAC Know It All Podcast, host welcomes , President of and Director of New Product Development at . They talk about the science behind evacuation, the impact of hose size on evacuation speed, and the common misconceptions around pulling a vacuum. Jim explains how using larger hoses and understanding conductant speed can improve evacuation time and performance. They also discuss the effects of temperature on evacuation, particularly in cold climates, and how to prevent moisture buildup in systems. This conversation provides clear insights for HVAC professionals to...
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HVAC Evacuation Myths, Real-World Hacks, and Customer Lessons Technicians Must Learn
HVAC Know It All Podcast
In this solo episode of the HVAC Know It All Podcast, host , Director of Player Development and Head Coach at Shelburne Soccer Club and President of and , shares real-world lessons from the field, focusing on pulling vacuums and handling customer repairs. He explains why larger hoses improve vacuum speed, clears up common HVAC myths, and stresses the value of testing and thinking critically. Gary also talks about fixing equipment with limited budgets, using a coil-combing tool, and keeping customers running while maintaining safety and trust. It's a helpful, honest episode full of tips for...
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HVAC-as-a-Service Approach for Cannabis Retrofits to Solve Capital Barriers - John Zimmerman Part 2
HVAC Know It All Podcast
In this episode of the HVAC Know It All Podcast, host continues his conversation with , Founder & CEO of , about HVAC solutions for the cannabis industry. John explains how his company approaches retrofit applications by offering full solutions, including ductwork, electrical services, and equipment installation. He emphasizes the importance of designing scalable, efficient systems without burdening growers with unnecessary upfront costs, providing them with long-term solutions for their HVAC needs. The discussion also focuses on the best types of equipment for grow operations. John...
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How HVAC Design & Redundancy Protect Cannabis Grow Rooms & Boost Yields with John Zimmerman Part 1
HVAC Know It All Podcast
In this episode of the HVAC Know It All Podcast, host chats with , Founder & CEO of , to kick off a two-part conversation about the unique challenges of HVAC systems in the cannabis industry. John, who has a strong background in data center cooling, brings valuable expertise to the table, now applied to creating optimal environments for indoor grow operations. At Harvest Integrated, John and his team provide “climate as a service,” helping cannabis growers with reliable and efficient HVAC systems, tailored to their specific needs. The discussion in part one focuses on the complexities...
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HVAC Rental Trap for Homeowners to Avoid Long-Term Losses and Bad Installs with Scott Pierson Part 2
HVAC Know It All Podcast
In part 2 of this episode of the HVAC Know It All Podcast, host , Director of Player Development and Head Coach at , and President of , switches roles again to be interviewed by , Vice President of HVAC & Market Strategy at . They talk about how much today’s customers really know about HVAC, why correct load calculations matter, and the risks of oversizing or undersizing systems. Gary shares tips for new business owners on choosing the right CRM tools, and they discuss helpful tech like remote support apps for younger technicians. The conversation also looks at how private equity...
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The Generational Divide in HVAC for Leaders to Retain & Train Young Techs with Scott Pierson Part 1
HVAC Know It All Podcast
In this special episode of the HVAC Know It All Podcast, the usual host, , Director of Player Development and Head Coach at , and President of . takes the guest seat as he’s interviewed by , Vice President of HVAC & Market Strategy at , to discuss the current state of the HVAC industry. They discuss the industry's shifts, like the push for heat pumps, and the importance of balancing technical skills with sales training. Gary talks about the generational gap in the trade and the need for a cultural change to better support new technicians. They also explore how digital tools and online...
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How Broken Communication and Bad Leadership in the Trades Cause Burnout with Ben Dryer Part 2
HVAC Know It All Podcast
In Part 2 of this episode of the HVAC Know It All Podcast, host is joined by , a Culture Consultant, Culture Pyramid Implementation, Public Speaker at . Benjamin shares how real conversations and better training can reduce stress and boost team performance. He introduces a pyramid model for honest communication, direction, fulfillment, and accountability. Benjamin also explains how small changes in workplace culture can lead to big improvements in mental health and job satisfaction for workers. His tips help create safer, more supportive, and efficient work environments. Benjamin Dryer talks...
info_outlineIn Part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Jamie Kitchen, an HVAC expert, Training and Account Manager at Danfoss. They discuss the world of TT valves for heat pumps, particularly the Danfoss TR6. Jamie explains how balance port valves work, the importance of proper leak detection, and why correct charging practices are crucial for efficiency. He also talks about the challenges with condensing pressures and why new technology is improving system reliability. Jamie’s insights help technicians avoid common mistakes and enhance system performance.
Jamie Kitchen talks about how balanced port valves help HVAC systems maintain steady pressure, especially during temperature changes. He explains why proper leak detection and charging techniques are key to avoiding equipment damage. Gary and Jamie discuss the importance of keeping condensing pressures stable to ensure the system runs efficiently. Jamie also shares how modern technology, like a variable-speed fan, helps solve old issues with air conditioning systems. They both agree that precision in setup and maintenance is essential for long-term reliability.
Jamie explains that TT valves, like the Danfoss TR6, help HVAC systems maintain stable pressure, especially when conditions change. He says proper leak detection and accurate charging are vital for preventing damage to compressors. Gary notes that modern systems have new tech, like variable-speed fans, to keep pressures steady. They both agree that many older methods are inefficient or can cause issues, but balancing port valves and precision in maintenance make a big difference in system performance and longevity.
Expect to Learn:
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How TT valves like the Danfoss TR6 help stabilize HVAC systems.
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Why accurate leak detection and charging are critical for compressor health.
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How modern tech, like variable-speed fans, improves system reliability.
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What issues can arise from unstable condensing pressures?
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Why are balanced port valves key for steady operation and longer equipment life?
Episode Highlights:
[00:32] - Introduction to Part 02 with Jamie Kitchen
[02:02] - Accurate Leak Detection & Compressor Protection
[05:35] - Balance Port Valves & Condensing Pressure Stability
[09:32] - How Balance Port Valves Stabilize Pressure in Variable Conditions
[12:21] - Importance of Subcooling for Proper Charging
[19:20] - Correct Placement and Positioning of the Sensing Bulb
[21:02] - Breakdown of the TR6 Valve and Its Multi-Refrigerant Capabilities
[23:17] - Closing Thoughts and Upcoming Van Video with Gary and Jamie
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/
property.com: https://mccreadie.property.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/