HVAC Know It All Podcast

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Julian Finbow, RSE ,  Service Tech Support at Swegon North America , and Principal at Finbow Inc. , about the different types of defrost methods used in commercial refrigeration systems. Julian explains how electric defrost, hot gas defrost, and cool gas defrost work, along with their advantages, challenges, and energy...

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero sit down with Brynn Cooksey Sr, CEM, CMS . He is the Founder of Air Doctors Heating & Cooling and HVAC U (Building Scientists) . He discuss the business side of home performance contracting and explains how contractors can build highly profitable businesses by focusing on diagn...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Julian Finbow, RSE ,  Service Tech Support at Swegon North America , and Principal at Finbow Inc. , to discuss refrigeration defrost methods and why they are essential for system performance. Julian explains how frost forms on evaporator coils, the difference between normal frost and ice buildup, and why proper defro...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Jamie Kitchen , an HVAC expert, Training and Account Manager at Danfoss about how metering devices control refrigerant flow in cooling and refrigeration systems. Jamie explains how simple restrictions like cap tubes and orifices work, then breaks down how an automatic expansion valve (AXV) holds a steady evaporator tem...

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 discuss refrigeration metering devices and how they control refrigerant flow. Jamie explains what a simple restriction is, how an orifice or piston works, and how flow is set by the size of the hole and the pressure difference across it. The...

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero sit down with Brynn Cooksey Sr, CEM, CMS , the Founder of Air Doctors Heating & Cooling and HVAC U (Building Scientists) . They explore how building science can transform an HVAC business. Drawing from his background in the utility industry, Brynn explains why many contractors...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with James Christian , Senior Director of Product at Podium , about how artificial intelligence is helping HVAC and home service businesses improve efficiency and customer communication. James explains how AI tools can handle repetitive tasks such as scheduling maintenance agreements, managing customer inquiries, and follow...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by James Christian , Senior Director of Product at Podium , to discuss how artificial intelligence is helping HVAC and home service businesses operate more efficiently. James explains what large language models are, how AI employees can assist with customer communication, scheduling, dispatching, and lead management, an...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Keith Gipson , Founder and CEO of Facil. AI , about how artificial intelligence is changing building automation and HVAC energy management. Keith explains how his AI platform continuously analyzes building data and makes adjustments to improve efficiency in central plants and rooftop unit portfolios. The conversation e...

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero sit down with TJ O'Connor , President at Farmington Consulting Group to discuss key findings from the 2025 Contractor of the Future Report. Based on insights from over 1,000 HVAC contractors across the United States, the conversation explores what separates the industry's most...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Keith Gipson , Founder and CEO of Facil. AI and a longtime expert in controls and building automation, to discuss how artificial intelligence is changing the HVAC industry and the world around us. Keith explains what AI is, how machine learning works through pattern recognition, and why human oversight and engineerin...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversations with Jim Fultz , National Technical Training Manager at Copeland , and Joshua Souders , Manager Product Management at Copeland , about airflow, static pressure, and modern diagnostic tools. In Part 2, they talk about how AI and smart technology are changing the HVAC industry. They explain how tools lik...

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero sit down with TJ O'Connor , President at Farmington Consulting Group to discuss key findings from the latest Contractor of the Future Report. Based on insights from more than 1,000 HVAC contractors across the United States, TJ shares what top-performing companies are doing diff...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Jim Fultz , National Technical Training Manager at Copeland , and Joshua Souders , Manager Product Management at Copeland ,  to talk about how AI is starting to impact the HVAC industry and how technicians can use it in their daily work. They explain that AI is a helpful tool, not a replacement for skilled workers, a...

In Part 2 of this Mental Health series episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Gerry Wagner , President of  Education, Services & Products Company LLC (ESPCO LLC) . Gerry shares his experiences with depression, suicidal thoughts, long-term sobriety, and the challenges of maintaining mental wellness. He discusses the importance of support systems...

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero sit down with Roland Ligtenberg , Co-Founder and SVP Growth & Innovation at Housecall Pro to discuss why cash flow is one of the most important factors for HVAC and home service businesses, especially in today's repair-focused economy. The conversation explores how CRMs and fie...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues the Mental Health Series with Guest Gerry Wagner , President of  Education, Services & Products Company LLC (ESPCO LLC) . Gerry shares his personal journey through addiction, depression, and recovery, explaining how childhood trauma, low self-esteem, and learning challenges affected his mental health from an early age....

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero sit down with Roland Ligtenberg , Co-Founder and SVP Growth & Innovation at Housecall Pro to discuss how home service businesses scale from "one-man truck" operations into professional, systemized companies. Roland shares the origin story behind Housecall Pro, the operational b...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with Daniel Carrillo , Technical Sales and Training Expert at Airzone Control , about ducted zoning systems for VRF and inverter HVAC equipment. They discuss how Airzone controls airflow using thermostats, sensors, and modulating dampers to improve comfort and efficiency in different zones of a home or building. Daniel expl...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Daniel Carrillo , Technical Sales and Training Expert at Airzone Control , to talk about A2L refrigerants, VRF zoning, and how new mitigation standards are changing HVAC system design. They discuss the challenges of using A2L equipment in residential and commercial spaces, how zoning systems can help improve airflow...

In this episode of the HVAC Know It All Podcast , host Gary McCreadie continues his conversations with Gord Cooke , President at Building Knowledge Canada , and Ian Walker , Sales & Marketing Manager at Aeroseal , about duct sealing and building performance. They explain how Aeroseal works by sealing leaks at the source without coating the entire duct, clearing up common misconceptions. The discus...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Gord Cooke , President at Building Knowledge Canada , and Ian Walker , Sales & Marketing Manager at Aeroseal , to talk about air sealing technology and how it improves building performance. They explain how AeroBarrier works to reduce air leakage and why airtight homes need proper mechanical ventilation. The conversa...

In this episode of the HVAC Know It All Business Edition Podcast, host Furman Haynes from WorkHero sits down with Jen McKee , Owner of Kee Hart Marketing to break down how small home service business owners can approach marketing without losing authenticity. They discuss the tension between craftsmanship and marketing, why business owners must embrace marketing as a core responsibility, and how si...

In this episode of the HVAC Know It All Podcast, host Gary McCreadie speaks with John Whitehead , Owner of Honest HomePerformance and Radon Solutions , and Co‑Owner of Honest Heating and Cooling Inc. , as part of the Mental Health series. John shares his experience with becoming overly focused on HVAC education and how his drive to learn turned into an unhealthy obsession. He explains how constant...

In this episode of the HVAC Know It All Business Edition Podcast, host Furman Haynes from WorkHero sits down with Jen McKee , Owner of Kee Hart Marketing to break down why social media is no longer optional for HVAC and trades businesses. She explains how authentic, simple content can drive real business growth without needing high production or complex strategies.  The conversation focuses on how...