BACK

Bryan Orr

Company name: Kalos Services

Position: President

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.

No tags found

3 Followers

Events attending:

Tech Tips written:

See all +

Checking Evaporators on Furnaces

In Florida, there are not many gas furnaces—at least not as many as up north. Sometimes, we can look like real dummies compared to techs who work on them every day. One thing to know about 80% gas furnaces with cased evaporator coils is that you can often check the evaporator coil by removing the […]

Why Airplanes Fog Up Before Takeoff

Every once in a while, especially on humid days, you’ll sit on an airplane waiting for takeoff and see fog pouring from the ceiling vents like a low-budget concert. Someone always panics and asks if something’s on fire. It’s not smoke—it’s condensation. You’re looking at thermodynamics and psychrometrics in action. So, why does it happen, […]

Why the Sauna Feels Hotter When You Throw Water on the Rocks

I admit it, I'm a sauna guy now. The ones at the gym are pretty gross, so I got a small one at home because I guess I’ve missed sitting in attics or something. If you’ve ever sat in a traditional sauna, you know the drill: the heat’s already intense, and then you or someone […]

10 Things I’ve Learned in the Last 10 Years

Humility in Thought Leadership

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.

Symposium Day 1 Introduction

Video guest:

See all +

Fast-Stat Common Maker Unboxing

Why Compressors Fail: Diagnosis, Replacement & Prevention

Charging and Testing Heat Pumps in Heat Mode

Podcast guest:

See all +

Absorption Cooling – The Rise and Fall and Rise – Short #272

In this short podcast episode, Bryan goes on another history journey, retelling the story of the rise and fall and rise of absorption cooling. Some of the first HVAC/R engineers cooled buildings with fire; they used absorption refrigeration, which ran on heat instead of electricity. In the early 1800s, French scientist Michael Faraday showed that […]

Residential vs. Commercial HVAC Sales

In this candid conversation, Nathan and Bryan dive deep into the often-misunderstood world of sales in the construction and HVAC trades. Nathan, who has transitioned from fieldwork to spending roughly 60% of his time in sales, offers a unique perspective on why sales professionals are necessary despite the skepticism they face from tradespeople. The […]

When Ammonia Ruled the World – Short #270

In this short podcast episode, Bryan takes us on a history journey back to when ammonia ruled the world. In the mid-1800s, before R-12, many inventors and scientists experimented with vapor-compression refrigeration systems to make ice. They used a variety of refrigerants in their patents, including ether, ethyl ether, carbon dioxide, sulfur dioxide, methyl […]

The Strange Behavior of Moisture in Stuff

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 air to […]

8 Tips for New Techs (So You Don’t Get Fired)

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, you might […]

Basic Electrical Circuits

Events attending:

Tech Tips written:

Event speaker:

Video guest:

Podcast guest:

Posts Commented

To continue you need to agree to our terms.

The HVAC School site, podcast and tech tips
made possible by generous support from

Followers:

Following:

Share with:

Events attending:

Tech Tips written:

Event speaker:

Video guest:

Podcast guest:

Posts Commented

What type of issue are you reporting?

Hate

Abuse & Harassment

Violent Speech

Child Safety

Privacy

Spam

Suicide or Self-Harm

Sensitive or Disturbing Media

Impersonation

Violent & Hateful Entities

To continue you need to agree to our terms.

The HVAC School site, podcast and tech tips made possible by generous support from

The HVAC School site, podcast and tech tips
made possible by generous support from