HVAC Know It All Podcast

Gary McCreadie - Licensed Refrigeration/HVAC Technician

The HVAC Know It All Podcast, hosted by HVAC and Refrigeration tech Gary McCreadie, is an industry leading show that focuses on education within the HVAC and Refrigeration Trade - Such as HVAC Maintenance Tips.

  1. HVAC Zoning Mistakes for Contractors Destroying Systems with Bad Design - Daniel Carrillo Part 2

    22H AGO

    HVAC Zoning Mistakes for Contractors Destroying Systems with Bad Design - Daniel Carrillo Part 2

    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 explains how the system avoids high static pressure by adjusting fan speed and damper positions based on demand. The conversation also covers the advantages of ducted zoning over wall-mounted systems, common problems with older zoning methods, and how proper duct design helps improve HVAC performance and airflow control. Gary and Daniel Carrillo discuss how Airzone zoning systems work with VRF and inverter HVAC equipment to improve comfort and airflow control in homes and buildings. Daniel explains how thermostats, sensors, and modulating dampers help manage each zone without creating high static pressure in the duct system. The conversation covers how fan speed changes based on demand and why dampers stay open when there is no heating or cooling call. They also talk about the differences between ducted zoning and wall-mounted systems, common problems with older zoning methods, and how proper duct design helps improve HVAC efficiency, airflow balance, and system performance. Expect to Learn: How Airzone zoning systems control airflow in different rooms using thermostats and sensors. How modulating dampers and inverter fan motors help prevent high static pressure issues. How ducted zoning systems can improve comfort and efficiency compared to wall-mounted units. Why older zoning systems used bypass dampers and the problems they created for HVAC equipment. How proper duct design and airflow control help improve HVAC performance and system balance.   Episode Highlights: [00:00] - Sponsor: Factory Direct Filters ad [00:42] - Intro to Daniel Carrillo in Part 02  [02:21] - How zoning works: thermostats vs. sensors explained [03:58] - Controlling zones via Blue Face thermostat or cloud app [05:56] - What happens when one zone is set too cold [07:28] - No demand = dampers open; fan stops unless constant mode on [10:18] - Ducted zoning vs. wall mounts: regional differences [13:03] - Old zoning problems (bypass, barometric relief) solved by ECM motors [16:49] - How to get free system design (blueprint, zone layout, heat load needed)   This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!   Follow the Guest Daniel Carrillo on:  LinkedIn: https://www.linkedin.com/in/daniel-carrillo-922262305/   Airzone Control - LinkedIn Profile: https://www.linkedin.com/company/airzonecontrol/   Airzone Control - Website: https://www.airzonecontrol.com/as/en/    Follow the Host on: 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/  Follow the Podcast on:  YouTube: https://www.youtube.com/@HVACKnowItAll   Spotify: https://open.spotify.com/show/6LCBJGw0EHG03rdWHxUMce  Apple Podcast: https://podcasts.apple.com/us/podcast/hvac-know-it-all-podcast/id1359253455

    18 min
  2. HVAC Techs Change System Design for New Refrigerants and Zoning Rules - Daniel Carrillo Part 1

    1D AGO

    HVAC Techs Change System Design for New Refrigerants and Zoning Rules - Daniel Carrillo Part 1

    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 and safety, and why proper training is important for contractors. The conversation also covers common installation issues, communication errors, wiring practices, and how ducted zoning systems can improve comfort, efficiency, and room-by-room temperature control. In this conversation, Daniel and Gary discuss how A2L refrigerants are changing HVAC system design and why new mitigation standards are important for safety and airflow control. Daniel explains how zoning systems can help manage refrigerant dilution, improve comfort, and support better efficiency in VRF and ducted applications. Daniel and Gary also cover common installation issues, communication errors, wiring practices, and the importance of proper training when working with advanced zoning equipment and A2L systems. Expect to Learn: How A2L refrigerants are changing HVAC equipment and installation standards. How mitigation standards help improve safety and refrigerant dilution in occupied spaces. How zoning systems can improve comfort, airflow control, and energy efficiency. How communication errors and wiring issues can affect VRF and zoning equipment. How proper training and support can help contractors work with advanced HVAC systems.   Episode Highlights:  [00:00] - Sponsor Ad: Factory Direct Filters [00:42] - Intro to Daniel Carrillo in Part 1 [03:00] - A2L is slightly flammable, brings new regulations and mitigation standards [06:26] - How A2L affects VRF zoning - ductwork helps comply vs. wall mounts [09:32] - Top tech support tips: same supplier, training, don't fear calling [11:24] - Most common field issue: communication errors from loose connections [15:03] - Advantages of ducted zoning: fine-tuned air, no oversizing, better humidity control [19:08] - Four-room example - each room has its own climate, unused rooms get no air This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse! Follow the Guest Daniel Carrillo on: LinkedIn: https://www.linkedin.com/in/daniel-carrillo-922262305/ Airzone Control - LinkedIn Profile: https://www.linkedin.com/company/airzonecontrol/ Airzone Control - Website: https://www.airzonecontrol.com/as/en/    Follow the Host on: LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/ LinkedIn - HVAC Know It All Inc.: https://www.linkedin.com/company/hvac-know-it-all-inc Website: https://www.hvacknowitall.com Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/  Instagram: https://www.instagram.com/hvacknowitall1/  Follow the Podcast on: YouTube: https://www.youtube.com/@HVACKnowItAll Spotify: https://open.spotify.com/show/6LCBJGw0EHG03rdWHxUMce Apple Podcast: https://podcasts.apple.com/us/podcast/hvac-know-it-all-podcast/id1359253455

    20 min
  3. Your HVAC System Is Losing 40% of Airflow Because of Duct Leakage - Gord & Ian Part 2

    MAY 15

    Your HVAC System Is Losing 40% of Airflow Because of Duct Leakage - Gord & Ian Part 2

    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 discussion highlights how leaky duct systems can lose a large amount of airflow, affecting comfort, balance, and system efficiency in a home. Gord shares insights on why sealing ducts improves airflow control and helps deliver air where it is needed most. They also talk about return air design, common issues with panned returns, and why proper airflow measurement matters for HVAC performance. Gary, Ian, and Gord discuss how Aeroseal works to seal duct leaks using pressure and a targeted sealant that only sticks at gaps. They explain that the process does not coat the full duct system and instead seals leaks from the inside. The conversation covers how duct leakage can reduce airflow, comfort, and system balance in a home. They also talk about how sealing ducts can improve air delivery and make balancing systems more effective. Gord shares insights on return air design, explaining common issues with panned returns and why they often do not move much air. They finish by highlighting how proper sealing and airflow checks help improve overall HVAC performance and comfort. Expect to Learn: How Aeroseal seals duct leaks by targeting gaps without coating the full duct system. How duct leakage can reduce airflow, comfort, and system balance in a home. How sealing ducts can improve air delivery and make system balancing more effective. Why return air systems often move less air than expected, especially when not fully ducted. How proper sealing and airflow checks can improve overall HVAC performance and comfort.   Episode Highlights:  [00:00] - Sponsor: Factory Direct Filters ad [00:42] - Intro to Gord Cooke and Ian Walker in Part 02  [02:02] - Arrow Seal vs. Aero Barrier: Same tech, different application [02:49] - Myth busted: Sealant only plugs holes, doesn't coat duct walls [04:27] - Why seal ducts? Comfort, not just energy (30% typical leakage) [08:34] - How AeroSeal works: Pressurize, mist, seal in 20 – 30 min [09:59] - Cost estimate: 2,000 – 2,500 CAD for a 2,000 sq ft home [13:11] - Panned returns leak 100% – don't expect measurable flow [18:00] - Key difference: Stay home during AeroSeal, leave during AeroBarrier [19:57] - Target: 1.5 ACH50 for optimal building enclosure   This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!   Follow the Guests Gord Cooke and Ian Walker on:  LinkedIn - Gord Cooke: https://www.linkedin.com/in/gord-cooke-4b9b3433   LinkedIn - Ian Walker: https://www.linkedin.com/in/ian-walker-930954101/   LinkedIn - Building Knowledge Canada: https://www.linkedin.com/company/building-knowledge-canada-inc./   LinkedIn - Ian Walker: https://www.linkedin.com/company/aeroseal-llc/    Follow the Host on: 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/    Follow the Podcast on:  YouTube: https://www.youtube.com/@HVACKnowItAll   Spotify: https://open.spotify.com/show/6LCBJGw0EHG03rdWHxUMce  Apple Podcast: https://podcasts.apple.com/us/podcast/hvac-know-it-all-podcast/id1359253455

    21 min
  4. How Ventilation Mistakes in Tight Homes Lead to Energy Loss and Poor Air Quality - Gord & Ian Part 1

    MAY 14

    How Ventilation Mistakes in Tight Homes Lead to Energy Loss and Poor Air Quality - Gord & Ian Part 1

    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 conversation covers common concerns about sealing homes too tightly, the role of HVAC systems in fresh air control, and how ventilation systems like ERVs help maintain comfort. Gary, Gord, and Ian also share real job site examples, costs, and how better air sealing can improve energy efficiency and system sizing. In this conversation, Gord and Ian explain how AeroBarrier is used to seal air leaks in homes and improve building performance. They describe how the system uses pressure and a misted sealant to find and close gaps, while stressing the need for proper ventilation to maintain air quality. Gord, Ian, and Gary discuss common concerns about making homes too tight and explain why controlled ventilation is important. They also cover real job site examples, costs, and how reducing air leakage can improve comfort, energy use, and HVAC system sizing. Expect to Learn: How AeroBarrier works to seal air leaks using pressure and a misted sealant. How building science and HVAC systems work together in modern homes. How proper ventilation keeps air quality safe in airtight homes. How ERV systems and exhaust fans help control fresh air and moisture. How reducing air leakage can improve comfort, energy use, and system sizing.   Episode Highlights: [00:00] - Sponsor Ad: Factory Direct Filters [00:42] - Intro to Gord Cooke and Ian Walker in Part 1 [02:20] - Introducing Aero Barrier technology and on-site demo [03:40] - Ian explains how Aero Barrier works (blower door, positive pressure, sealant mist) [05:17] - Debunking "sealing too tight" myth - build tight, ventilate right [09:32] - Summary: Tight homes are fine if mechanical ventilation is present [12:35] - Cost range = 0.80 – 1.50 per square foot [14:14] - Recommendation of ERV + source control for best ventilation [16:46] - Ventilation controls (CO₂, humidity) [19:37] - Real-world results: 14 ACH down to ~4 ACH, 55–60% leakage reduction   This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!   Follow the Guests Gord Cooke and Ian Walker on: LinkedIn - Gord Cooke: https://www.linkedin.com/in/gord-cooke-4b9b3433 LinkedIn - Ian Walker: https://www.linkedin.com/in/ian-walker-930954101/ LinkedIn - Building Knowledge Canada: https://www.linkedin.com/company/building-knowledge-canada-inc./ LinkedIn - Ian Walker: https://www.linkedin.com/company/aeroseal-llc/    Follow the Host on: LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/ LinkedIn - HVAC Know It All Inc.: https://www.linkedin.com/company/hvac-know-it-all-inc Website: https://www.hvacknowitall.com Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/  Instagram: https://www.instagram.com/hvacknowitall1/    Follow the Podcast on: YouTube: https://www.youtube.com/@HVACKnowItAll Spotify: https://open.spotify.com/show/6LCBJGw0EHG03rdWHxUMce Apple Podcast: https://podcasts.apple.com/us/podcast/hvac-know-it-all-podcast/id1359253455

    25 min
  5. How Social Media Marketing Can Attract More Customers & Grow Your Business with Jen McKee

    MAY 13

    How Social Media Marketing Can Attract More Customers & Grow Your Business with Jen McKee

    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 simple, grassroots strategies like local Facebook groups and personal branding can drive real growth. Jen shares practical, no-fluff advice on getting started with content, tools for editing, and avoiding common mistakes that keep businesses invisible online. She helps companies grow through content creation, social media management, and marketing strategy across platforms like Facebook, Instagram, TikTok, and YouTube. Jen also hosts The Key to Growth Podcast, where she dives into marketing strategies tailored for the trades.   Expect to Learn: -  Why marketing is a core responsibility of every business owner - The difference between craftsmanship vs. marketing-driven growth - How to build an authentic personal brand as a business owner - Why storytelling beats salesy content every time - How to leverage local Facebook groups for high-quality leads - The pros and cons of personal vs. business social media pages Timestamps: [00:00] – Introduction [00:44] – Personal brand vs. company brand [03:57] – Marketing as a responsibility of being a business owner [06:01] – Grassroots marketing [08:20] – How to find and respond to leads in Facebook groups [11:37] – Video editing: tools and time expectations [14:41] – Personal page vs. business page strategy [15:48] – Biggest mistake: overthinking and not starting [17:06] – Viral content ideas for HVAC businesses [18:05] – About Kee Hart Marketing and how to connect with Jen [18:55] – Closing thoughts   This Episode is Kindly Sponsored by: - PartsTown: https://www.partstown.com/hvac-parts - Podium: https://podium.com/knowitall     Follow our Guest Jen McKee: LinkedIn: https://www.linkedin.com/in/jen-mckee-72114824/  Instagram: https://www.instagram.com/keehartmarketing/  Website: https://www.jennmckee.com/  Company LinkedIn: https://www.linkedin.com/company/keehartmarketing/  Company Website: https://keehartmarketing.com/    Follow Gary McCreadie: 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/    Follow Furman Haynes:  LinkedIn: https://www.linkedin.com/in/furmanhaynes/  WorkHero: https://www.linkedin.com/company/workherohvac/  Instagram: https://www.instagram.com/workhero__/

    19 min
  6. HVAC Mental Health: Learning Addiction & Overload Led to a Mental Breakdown - John Whitehead Part 2

    MAY 7

    HVAC Mental Health: Learning Addiction & Overload Led to a Mental Breakdown - John Whitehead Part 2

    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 access to information, combined with an addictive personality, led to overstimulation and loss of balance in his life. John also talks about the impact of modern technology, social media, and idle time on mental health. The episode highlights the importance of setting limits, maintaining self-awareness, and finding balance while continuing to grow and learn. Gary and John discuss mental health in the trades and how habits and personality traits can impact daily life. John speaks openly about his experience with becoming overly focused on HVAC education and how his drive to improve turned into an unhealthy obsession. They talk about how constant learning, social media, and easy access to information can lead to overstimulation and loss of balance. John also explains how his team supported him during this time and how he has learned to slow down and set limits. The conversation highlights the importance of self-awareness, control, and finding balance while continuing to grow. Expect to Learn: How constant access to information can lead to overstimulation and mental fatigue. Why having an addictive personality can turn learning into an unhealthy habit. How idle time and modern technology can impact focus and mental health. Why setting limits and slowing down is important for long-term balance. How support from coworkers and self-awareness can help manage personal struggles. Episode Highlights: [00:00] - Intro to John Whitehead in Part 02  [03:00] - Question: Is mania similar to ADHD? [03:34] - North America's mental health epidemic [05:43] - Idle time & modern luxuries fueling mental struggles [08:15] - Sudden hyper-focus on HVAC education [11:01] - Addictive personality & sobriety [13:22] - Social media rabbit holes & lost time [17:44] - How his team stepped up during the crisis [20:49] - Michael Haus' advice: slow down, one bite at a time   This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse! Follow the Guest John Whitehead on:  LinkedIn: https://www.linkedin.com/in/john-whitehead-17a341370/   Honest Heating and Cooling Inc - Website: https://www.honestheatingac.com/   Honest HomePerformance and Radon Solutions - Website: https://www.honesthomeperformance.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/

    24 min
  7. HVAC Owners Losing Trust Leads and Google Rankings by Ignoring Video Content with Jen McKee

    MAY 6

    HVAC Owners Losing Trust Leads and Google Rankings by Ignoring Video Content with Jen McKee

    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 small operators can start from scratch, build trust with customers, and use social platforms to stand out in a competitive market. She works closely with HVAC and trades companies to build brand presence, attract customers, and recruit top talent using authentic, video-first strategies.   Expect to learn: - Why social media is critical for HVAC and trades businesses today - How social content improves Google visibility and SEO - The difference between brand awareness and conversion and why both matter - How to start posting with zero experience or strategy - Why authentic, unpolished content often outperforms highly edited videos - Simple content ideas you can start using immediately - How social media helps with recruiting and customer trust   Timestamps: [00:00] -  Introduction [01:03] - Why trades businesses underestimate social media [02:23] - Why social media matters now more than ever [03:25] - Brand awareness vs conversion [04:39] - Getting started from zero [06:47] - Overcoming intimidation [07:09] - Why authentic content wins [08:24] - The problem with AI-generated content [10:55] - Content themes that work [12:22] - Real-world examples from HVAC creators   This Episode is Kindly Sponsored by: - PartsTown: https://www.partstown.com/hvac-parts - Podium: https://podium.com/knowitall     Follow our Guest Jen McKee: LinkedIn: https://www.linkedin.com/in/jen-mckee-72114824/  Instagram: https://www.instagram.com/keehartmarketing/  Website: https://www.jennmckee.com/  Company LinkedIn: https://www.linkedin.com/company/keehartmarketing/  Company Website: https://keehartmarketing.com/    Follow Gary McCreadie: 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/    Follow Furman Haynes:  LinkedIn: https://www.linkedin.com/in/furmanhaynes/  WorkHero: https://www.linkedin.com/company/workherohvac/  Instagram: https://www.instagram.com/workhero__/

    15 min
  8. HVAC Mental Health: When Learning Too Much Becomes an Addiction with John Whitehead, Part 1

    MAY 5

    HVAC Mental Health: When Learning Too Much Becomes an Addiction with John Whitehead, Part 1

    In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues the mental health series with guest John Whitehead, Owner of Honest HomePerformance and Radon Solutions, and Co‑Owner of Honest Heating and Cooling Inc. John talks about his career in the trades and how a drive to learn and improve led to feelings of imposter syndrome and eventually an unhealthy obsession with education. He explains how this behavior affected his work, relationships, and overall well-being, including a lack of sleep and balance at home. John also opens up about being diagnosed with bipolar disorder and seeking help through a psychiatric program. Together, they discuss the importance of balance, recognizing warning signs, and being open about mental health in the trades. This episode continues the mental health series by focusing on challenges that can develop from within the trade itself. John joins Gary to share how his strong drive to learn led to imposter syndrome and an unhealthy focus on education. He explains how spending too much time studying began to affect his work, communication, and home life, leading to lack of sleep and strain in his relationships. John also talks about being diagnosed with bipolar disorder and the steps he took to get help, including time in a psychiatric program. The conversation highlights the importance of balance, self-awareness, and speaking up about mental health in the trades. Expect to Learn: How imposter syndrome can affect skilled technicians in the trades. How too much focus on learning can lead to stress and burnout. Why is a balance between work, learning, and personal life important? How lack of sleep and routine can impact mental and physical health. How seeking help and support can lead to better mental well-being. Episode Highlights:  [00:00] - Intro to John Whitehead in Part 1 [02:52] - John's background: Imposter syndrome hits [05:44] - Gary defines imposter syndrome (AI definition) [08:20] - The addiction: Too much studying, no sleep, or food [11:41] - Deeper diagnosis: Bipolar with mania [15:52] - Getting help: 10 days in a psychiatric hospital This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at SupplyHouse! Follow the Guest John Whitehead on: LinkedIn: https://www.linkedin.com/in/john-whitehead-17a341370/ Honest Heating and Cooling Inc - Website: https://www.honestheatingac.com/ Honest HomePerformance and Radon Solutions - Website: https://www.honesthomeperformance.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/

    19 min
4.8
out of 5
210 Ratings

About

The HVAC Know It All Podcast, hosted by HVAC and Refrigeration tech Gary McCreadie, is an industry leading show that focuses on education within the HVAC and Refrigeration Trade - Such as HVAC Maintenance Tips.

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