Gary McCreadie - Licensed Refrigeration/HVAC Technician

HVAC Know It All Podcast

Business EN ↓ 574 episodes

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.

Author

Gary McCreadie - Licensed Refrigeration/HVAC Technician

Category

Business

Podcast website

sites.libsyn.com

Latest episode

Jul 9, 2026

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Episodes

How Condenser Flood Back Controls Work To Maintain Head Pressure In Low Ambient Conditions 07.11.2019

On this episode I speak about condenser flood back controls and how they work to maintain system head pressure in low ambient conditions. We cover the ORI, ORD and OROA valves. Housecall Pro https://www.housecallpro.com/hvacknowitall XOi Technologies http://www.xoi.io/hvac-know-it-all-demo/ Use Promo Code knowitall at https://www.trutechtools.com/ and save 8% on your purchase Check out https://www...

Carbon Monoxide PPM Facts And UEI Carbon Monoxide Meter Reveiw 01.11.2019

Carbon monoxide is a silent killer, having personal protection against it is a non discussion for HVAC techs. I run a quick review on the UEI Wireless Carbon Monoxide Meter and discuss some CO facts as it pertains to health. Save 8% on this meter at Trutechtools.com with promo code knowitall https://www.trutechtools.com/UEI-COA2-Wireless-Carbon-Monoxide-Detector Testo 300 https://www.testo.com/en-...

Calculating Actual Heat Output Of An RTU 29.10.2019

In this episode I run through an exercise that had me using the Testo 405i and 605i Smart Probes to determine the actual heat output of a rooftop unit. Testo Smart Probes https://www.testo.com/en-US/products/smartprobes AC Smart Seal https://www.trutechtools.com/AC-SmartSeal-Quick-Shot?gclid=EAIaIQobChMIxKSq9JjC5QIVEZSzCh1zWAAlEAAYASAAEgL-JvD_BwE Housecall Pro https://www.housecallpro.com/hvacknow...

Blue Collar Woman w/Melissa Yarb 25.10.2019

The skilled trades are quickly filling up with females, this is not only refreshing but a glimpse into the future of the "Blue Collar" industry. I talk to Melissa Yarb, an HVAC installer out of Clearwater Florida on her experience in the trades. NAVAC Core Removal Tool https://www.trutechtools.com/NAVAC-NVR1-VCRT Big Blu Leak Detector https://www.refrigtech.com/big-blu/ Save 8% at trutechtools.com...

The Inquiring Mind Of An HVAC Apprentice w/Chase Jacht 17.10.2019

I talk to Chase Jacht, a 23 year old HVAC apprentice out of the Atlanta area who has impressed me with his online inquires, prompting him to learn and be the best tech he can be. XOi Technologies Free Demo, use code techpromo http://www.xoi.io/hvac-know-it-all-demo/ Yellow Jacket Pick https://yellowjacket.com/product/gasket-remover-tool/ Nylog https://www.refrigtech.com/nylog-blue/ Chinook https:/...

Make Up Air Units: A Quick Discussion 15.10.2019

In this episode I touch on make up air units, applications, types and a job I did back in day, where I wired in sail switches to interlocking exhaust fans. Testo 317-3 https://www.testo.com/en-US/testo-317-3/p/0632-3173 Cooling United Support Hub https://www.danfoss.com/en/service-and-support/fix-and-troubleshooting/cooling-support-for-installers-and-wholesalers/?utm_source=influencer&utm_medium=a...

Using A Hiring Platform To Find Skilled Trade Opportunities w/Steven Gurley from Hirago.com 11.10.2019

I speak to Steven Gurley, co-founder of https://www.hirago.com/ about how he transitioned from Hollywood to helping skilled trades companies. We discuss the need for skilled trades workers and how Hirago is set to fill the gaps of shop owners needs and provide opportunity for skilled trades workers. Save 8% at trutechtools.com using promo code knowitall at check out Nylog https://www.refrigtech.co...

How Paperless Dispatching Systems Help: An Honest Review w/ Texas from Texas 09.10.2019

In this episode we speak with Texas, an HVAC business owner from Texas. He gives us a complete and honest review of Housecall Pro dispatching and invoicing software and how it has helped his business. Housecall Pro https://www.housecallpro.com/hvacknowitall Navac Fall Promo https://navacglobal.com/ Testo Fall Promo https://www.testo.com/en-US/products/Company_news_campaigns_autumn-19_promo Hirago...

Filter Drier Best Practices and Myths w/Henry Papa 04.10.2019

I talk to Henry Papa from Parker Sporlan about filter drier best practices and myths. Great episode. Hirago.com "Best In Trade" Testo 300 https://www.testo.com/en-US/products/testo300 Navac Battery Operated Pump https://www.achrnews.com/articles/141657-2019-dealer-design-awards-electronic-hand-tools Viper Coil Coating https://www.refrigtech.com/viper-coil-coating/ XOi Technologies Promo (use promo...

Cheaper Is Not Always Better 30.09.2019

In this episode I speak on a recent experience that directly effects my life as a service tech. Customers looking for a cheaper price should beware. Navac NRDD https://www.trutechtools.com/NAVAC-NRDD-Brushless-DC-Recovery-Unit save 8% with promo code knowitall Testo 300 https://www.testo.com/en-US/products/testo300 Yellow Jacket yellowjacket.com XOi Technologies 30 day promo http://www.xoi.io/hvac...

My HVAC Life w/Josh Zolin 27.09.2019

The tables are turned, I am interviewed by Josh Zolin on his, Blue Is The New White Podcast. Josh asked me some great questions during the interview and I had I great time. Save 8% on your purchase at trutechtools.com using promo code knowitall. Save on Testo with the link below https://docs.google.com/forms/d/e/1FAIpQLSeOC8oQB97trj6XKDWRylM2ILFlnVjYG1GnTT2lRWT8-K4weQ/viewform Viper Coil Cleaner h...

Using A Megger 25.09.2019

I've pulled put my megohmmeter on many occasions and it's proven to be valuable everytime. Listen as I go through this service call step by step. Navac Flaring Tool https://www.trutechtools.com/NAVAC-NEF6Li-Cordless-Power-Flaring-Tool?gclid=EAIaIQobChMIrey2mPXs5AIVGo3ICh1HtAtZEAAYASAAEgKtYvD_BwE Save 8% on this tool at trutechtools.com using promo code knowitall Testo Smart Probes https://www.test...

The Future Of Tech Support Created By Vision w/Aaron Salow 19.09.2019

I talk with Aaron Salow of XOi Technologies about their Vision platform and how it's changing the landscape of tech support in the Electrical and Mecanical Trades, including HVAC. Check out the 30 day free demo and $500.00 cash reward. http://www.xoi.io/hvac-know-it-all-demo/ Use promo code techpromo Danfoss Refrigerant Week http://bit.ly/RefWeekHVACKnowItAll Housecall Pro https://www.housecallpro...

No Refrigerant Gauges No Worries w/Jim Bergmann 13.09.2019

I talk to Jim Bergmann about not using refrigerant gauges on systems when performing air conditioning preventative maintenance. We discuss how Measure Quick can help speed things up with its non evasive testing. Measure Quick https://www.measurequick.com/ Danfoss Refrigerant Week https://www.danfoss.com/en/about-danfoss/our-businesses/cooling/refrigerants-and-energy-efficiency/danfoss-refrigerant-...

A Non Condensables Story 10.09.2019

A story of my first experience with non condensables, how it was fixed and why I'll never forget to use a solenoid magnet ever again. Use promo code "knowitall" at trutechtools.com to save 8% on your purchase. Testo Gen 2 Smart Probes are compatible with the MeasureQuick app https://www.testo.com/en-US/products/smartprobes Navac Battery https://navacglobal.com/hvac-r-tools-leader-navac-inc-introdu...

Technicians And Human Skills w/Brigham Dickinson 06.09.2019

Brigham Dickinson of Power Selling Pros brings us an interesting conversation regarding technicians and their human skills and reaching customers on an emotional level. Yellow Jacket Digital Torque Wrench https://yellowjacket.com/product/digital-adjustable-torque-wrench/ Nylog https://www.refrigtech.com/nylog-blue/ Housecall Pro https://www.housecallpro.com/hvacknowitall

Navac HVAC Tool Education w/Kevan Mayer 28.08.2019

Kevan hops on the podcast to talk Navac products in an educational way. We talk recovery machines, vacuum pumps and evacuation procedures, smart charging and powered flaring. All tools discussed are available at trutechtools.com. Use promo code knowitall to save 8% on your purchase. Testo 300 https://www.testo.com/en-US/products/testo300 Yellow Jacket Temperature Strap https://yellowjacket.com/pro...

Portable Air Conditioner Call 27.08.2019

A small two ton portable air conditioning unit threw me for a loop. It was cycling on and off after a condensate pump clean out. Listen to how I solved the problem. Cool Air Products https://www.coolairproducts.net/ Houscall Pro https://www.housecallpro.com/hvacknowitall

Danfoss Learning And Danfoss Apps w/Brian Dail 22.08.2019

In this episode we hook up with Brian Dail of Danfoss to discuss the Magnetic Tool App, The TXV Superhear Tuner App and Danfoss Learing modules. Magnetic Tool https://www.danfoss.com/en/service-and-support/downloads/dcs/magnetic-tool/?utm_source=HVAC_Know_It_All&utm_medium=affiliate&utm_campaign=DCS_Influencer&utm_content=dcs_hvac_know_it_all_promos#tab-overview TXV SuperHeat Tuner https://www.dan...

My Residential Service Call 21.08.2019

A good friend needed help with her AC after calling in an HVAC company that walked away leaving the system off and zero options going forward. I handled it in the most economical way possible...Listen to find out more. https://www.coolairproducts.net/ XOi Demo http://www.xoi.io/hvac-know-it-all-demo/ Housecall Pro https://www.housecallpro.com/hvacknowitall

Micro Podcast Nitrogen Brazing And Why We Do It 16.08.2019

In this micro episode, we talk about the advantages of nitrogen brazing. Why it is a must these days and what can happen if we don't practice this method. Testo 300 https://www.testo.com/en-MY/products/testo-300. XOi Technologies http://www.xoi.io/hvac-know-it-all-demo/ HouseCall Pro https://www.housecallpro.com/hvacknowitall

BlueCollar Round Table 09.08.2019

Got invited by Greg Crumpton, to sit in with himself and Sean Heath of Market Scale to discuss the trades and and blue collar industries.

Social Media As An HVAC Tool w/Eric Vanderford 02.08.2019

We hook up with Eric to discuss how social media has helped him grow the HVAC company he currently works at. We also chat about how social media can help you discover new techniques and tools, and how it can challenge you to step up your HVAC game!

Micro Podcast: Single Phase Vs. Three Phase Compressors and Emerson Scott-Tee Three Phase 29.07.2019

On this micro podcast we discuss the difference between single phase and three phase compressor windings. We also touch on the Emerson Scott-Tee three phase compressor.

Work Order Software w/Roland Lightenberg 20.07.2019

In this episode we talk with Roland Lightenberg, co-founder of Housecall Pro, field service software...or work order software. We discuss the past, present and future of the niche industry and what eventually lead to the creation of Housecall Pro. HappyHVACing! housecallpro.com/hvacknowitall Save 8% on your purchase at trutechtools.com using promo code knowitall at check out. Preferred Testo prici...

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