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The place to learn some things you've forgotten
along the way, as well as remind you,
of some things you forgot to know in the first place.


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Bryan Orr

BRYAN ORR

Co-Founder and President at Kalos Services, Bryan has been involved in HVAC training for over 13 years. Bryan started HVAC School to be free training HVAC/R across many mediums, For Techs, By Techs.


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Check our latest Tech Tips

W1, W2, & E
I got this question via email (edited slightly for length): Some things I've done because I've been taught to do them yet I don't know why I do them. One of those things is putting a jumper between w1/e and w2. Sometimes, in the case of a Goodman for example, I've been taught to combine […]
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Why Committees are Broken and How to Fix Them
Many of us understand that we need to get involved in local trades education to prepare students for fieldwork and get more people to consider careers in the trade. One of the ways contractors can support educators is by getting involved with local trade schools and industry organizations. We can do that by attending meetings […]
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Don’t Forget the Service Wrench
One of my most popular YouTube videos goes over how to adjust TXV superheat. It's a very simple little video that I did at my desk, and the other day I got this comment: “Good Video but I hate to say this BUT, with the title SCHOOL, why would you show the public an instructional […]
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