2019

Knowing how to combine capacitors in series and parallel properly is a great practical field skill to employ when you need to get a customer up and running, but you don’t have the exact size. Increasing in size is easy. Just connect in parallel and add the two sizes together. For example, if you needed […]

Bert and Bryan discuss the commonly repeated phrase “refer to manufacturers specs” and when it works and when it feels like a crutch.

Duct and system design are two of the BIGGEST needs among technicians, salespeople and contractors. Matt Milton has generously agreed to teach a small online mastermind class on design, load calculation, the math of the trade and much more. While this training may be at “no charge” it certainly isn’t FREE. It will require a […]

By request, Bryan talks some solar system basics

This article is a quick, real-life diagnosis/find by Kalos Services senior commercial HVAC/R tech Eric Mele. Improper Defrost Timer installation While servicing this display cooler for an unrelated problem, I noticed the defrost timer installed in a way that will almost certainly cause early compressor failure. Because this is a cooler (not a freezer), it […]

Bryan and Bert talk through a real-life issue we all face as techs. Bert’s recent video “triggered” Bryan a bit and they talk through it.

Before we jump into the stuff that will make folks angry, let’s start with some common ground. Most of us can probably agree that the desired result of education in the trades is: Knowing what you are doing and doing it as safely, efficiently, and correctly as possible. If we can agree that we all […]

Humidifiers are a big part of HVAC systems in dry locations, especially in the winter. I have no experience with them personally because they aren’t prevalent at all in Florida. I asked some of the HVAC School contributors to weigh in with some of their top humidifier tips. Thanks to Nathan Perney, Steve Domansky, and […]