Start
Here is where your journey into HVAC nerdiness may start. Check out our latest videos, tech tips, and podcasts all in one place.
April 26, 2026
Psychrometrics and The Magic Line 3D
Ever stared at a psychrometrics chart and felt your brain short-circuit? You're not alone. In this episode, we break down the magic behind the most powerful tool in HVAC — and why one line on that chart secretly rules everything you do on every service call.
Get Tech Tips
Subscribe to get free tech tips.
Check our latest Tech Tips
When we say that there is “flash gas” at a particular point in the system, it can either be a bad thing or a good thing, depending on where it is occurring. Flash gas is just another term for boiling. It is perfectly normal (and required) that refrigerant “flashes” or begins boiling directly after the […]
Read more
Take a look at the specs from this Copeland scroll compressor pulled from the Copeland Mobile App (which is an incredible app, by the way). These specs are for a single-phase compressor, so the amperages listed are based on an amperage reading from the wire connected to the common terminal. LRA is the locked rotor […]
Read more
This article is not a full lesson on making a flare, but it will give you some best practices to make a flare that doesn't leak. First off, we need to clarify that very few unitary manufacturers use flares anymore. You will most often find flares on ductless and VRF/VRV systems and in refrigeration. A […]
Read more
Our Most Popular Videos

