HVAC Know It All Podcast

In this episode of the HVAC Know It All Podcast, host Gary McCreadie welcomes Jim Bergmann, President of measureQuick and Director of New Product Development at Redfish Instruments Inc. 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 evacua...

In this solo episode of the HVAC Know It All Podcast, host Gary McCreadie, Director of Player Development and Head Coach at Shelburne Soccer Club and President of McCreadie HVAC & Refrigeration Services and HVAC Know It All Inc, 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...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with John Zimmerman, Founder & CEO of Harvest Integrated, 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, efficien...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with John Zimmerman, Founder & CEO of Harvest Integrated, 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 I...

In part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie, Director of Player Development and Head Coach at Shelburne Soccer Club, and President of McCreadie HVAC & Refrigeration Services and HVAC Know It All Inc, switches roles again to be interviewed by Scott Pierson, Vice President of HVAC & Market Strategy at Encompass Supply Chain Solutions. They talk about how much today’s customers really kn...

In this special episode of the HVAC Know It All Podcast, the usual host, Gary McCreadie, Director of Player Development and Head Coach at Shelburne Soccer Club, and President of McCreadie HVAC & Refrigeration Services and HVAC Know It All Inc. takes the guest seat as he’s interviewed by Scott Pierson, Vice President of HVAC & Market Strategy at Encompass Supply Chain Solutions, to discuss the current state of the HVAC ...

In Part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Benjamin Dryer, a Culture Consultant, Culture Pyramid Implementation, Public Speaker at Align & Elevate Consulting. 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 ...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie speaks with Benjamin Dryer, a Culture Consultant, Culture Pyramid Implementation, Public Speaker at Align & Elevate Consulting, about the emotional toll of working in the trades. Benjamin shares his personal story, including the loss of his father to suicide, and how it led him to focus on mental health in the industry. They discuss the “tough guy” cu...

In 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 cha...

In 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, to talk all about TX valves for heat pumps. Jamie breaks down how these valves work in both heating and cooling modes and why they need to handle refrigerant flow in two directions. They discuss the parts of a TX valve, how pressure and temperature control the flow, a...

In this solo episode of the HVAC Know It All Podcast, host Gary McCreadie, Director of Player Development and Head Coach at Shelburne Soccer Club and President of McCreadie HVAC & Refrigeration Services and HVAC Know It All Inc, shares a real-world story about residential HVAC service and why changing capacitors and contactors on a schedule can help avoid system breakdowns. He explains how a small overlooked issue led ...

In Part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Nick F. (Nick Fergis), co-founder and CEO of Property.com, a site that connects homeowners with top-rated contractors. They go over the free and paid membership tiers for contractors, tools like Max Closer and Max Qualifier, and how Property.com helps build trust and drive quality leads. Nick shares why he started the platform, ho...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with Nick F.(Nick Fergis), Co-Founder and CEO of Property.com, about how HVAC contractors can grow their business online. They talk about how Property.com connects homeowners with top-rated contractors and how HVAC pros can get free microsites to boost their visibility. Nick explains features like seeing permit history, using smart tools to qual...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie chats again with Drew Tozer,  author of Feel Good Homes and Partner at Foundry Heat Pumps, and Expert Advisor at Building Decarbonization Alliance and Jouleia. They talk about why right-sizing HVAC systems is so important and how old rules of thumb often lead to discomfort. Drew explains how load calculations, better filters, and smart installs can im...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Drew Tozer, an energy advisor and Partner at Foundry Heat Pumps, and Expert Advisor at Building Decarbonization Alliance and Jouleia, about heat pump systems and how to make homes more comfortable. They discuss common problems like hot and cold rooms, the myths around heat pumps, and why right-sizing equipment matters. Drew explains how hea...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his chat with Matthew Cowley, a North America Sales Manager: Spectroline Leak Detection (Industrial & HVAC/R) at Spectronics Corporation. They discuss the leak sealants, their proper use, and common misconceptions. Matthew explains how Spectronics' oil-based, solvent-free sealant is safe and effective for tiny evaporator leaks. Gary shares t...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie chats with Matthew Cowley, a North America Sales Manager: Spectroline Leak Detection (Industrial & HVAC/R) at Spectronics Corporation, about the truth behind internal sealants used in HVAC systems. They explain how older polymer-based sealants caused problems due to chemical reactions, while new oil-based ones work safely with mechanical action. Matth...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with David Rames, Senior Product Manager at Midea America. In Part 2, David talks about the importance of pressure testing and evacuating each line set in multi-zone ductless systems. He emphasizes using a torque wrench to avoid over-tightening flare nuts, which can cause leaks. David also explains the dry mode feature in Mi...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with David Rames, Senior Product Manager at Midea America, about how Multi-zone Ductless systems work and where they fit best. David explains why they’re great for homes without ductwork and how each room can have its own comfort setting. They break down how the system runs, including how it uses one outdoor unit for many indoor units. Gary and ...