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Bryan Orr
Company name: HVAC School
Position: Founder
Bryan is the founder of HVAC School. Established in 2016, HVAC School produces free educational podcasts, videos, and tech tips for HVAC and refrigeration professionals.
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Events attending:

Tech Tips written:

Brazing in TXVs: Best Practices
By:Bryan OrrThis is a quick tip from the “Expansion Valves – What Does and Doesn't Matter?” livestream on our YouTube channel featuring Joe Shearer, Matthew Taylor, and Corey Cruz. It’s time to talk about brazing again! Even though rehashing “flow nitrogen” and “use a wet rag” gets a little old, bad TXVs and callbacks also […]
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Deploy Industry-Standard Training in YOUR HVAC Business
By:Bryan Orr As many of you may know, Kalos does most of its training in-house. We’re lucky to have people like Bert on our team; he can give classes to several people at a time and is also great at one-on-one mentorship. Many of our managers and directors are also top-notch educators. Unfortunately, these people […]
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TXV External Equalizers and Distributors
By:Bryan OrrThis is a quick tip from the “Expansion Valves – What Does and Doesn't Matter?” livestream on our YouTube channel featuring Joe Shearer, Matthew Taylor, and Corey Cruz. You can watch it on our website HERE. Equalizers get their name because they provide a closing force to equalize against the bulb pressure (an opening […]
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Event speaker:

Humility in Thought Leadership
By:Bryan Orr NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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Symposium Day 1 Introduction
By:Jim BergmannBryan Orr
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Business Round Table
By:Bryan OrrAndy HoltTersh BlissettLuke Peterson   
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Video guest:

AC Types 3D
By:Bryan Orr
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Podcast guest:

Q&A – Kitchen Exhaust and Makeup Air – Short #197
By:Bryan Orr  In this short Q&A podcast episode, Bryan answers Gunther's question about kitchen exhaust and makeup air. Gunther asked if there were any studies that showed that makeup air should come very close to the hood to avoid infiltration. He also asked how to educate others who push back against the idea, particularly […]
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Duct Leaks – Measuring, Preventing & Repairing w/ Sam Myers
By:Sam MyersBryan Orr  This episode featured Bryan Orr interviewing Sam Myers, the building science consultant at Retrotec. Retrotec manufactures products like blower doors and duct testers for measuring air tightness and leakage in buildings. Sam discussed his role at Retrotec, which involves training contractors on using their tools properly, product design, software testing, presenting […]
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Q&A – RTU Tips – Short #196
By:Bryan Orr In this short Q&A podcast episode, Bryan answers Jeremy's question about checking the charge on rooftop units, and he gives some RTU tips. Rooftop units often come in sets, so you can use a thermal camera to look at all of the RTUs and compare them. A thermal imaging camera may even show […]
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Posts Commented

The Strange Behavior of Moisture in Stuff
By:Bryan Orr Water is weird and water vapor is even weirder – before we dive down this rabbit hole lets define some terms To better understand the behavior of moisture in materials, we need to first define some essential terms and concepts: Relative Humidity (RH): The ratio of the amount of water vapor in the […]
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8 Tips for New Techs (So You Don’t Get Fired)
By:Bryan Orr If you are new to the trade, I'd like to welcome you. Like many skilled trades, the HVAC/R trade has many opportunities and can help you make a good living. If you are young and new to the trade, we need you. We are grateful to have you. However, if you aren't thoughtful, […]
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