Tim Refrigeration Basics Quiz September 22, 2021, 8:08 am

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Related Tech Tips

Coil Cleaners: A Guide to Which Cleaners to Use in Various Applications
Spring and fall are the seasons where all service technicians get turned into janitors. Some techs see this as a chore and don’t particularly enjoy the routines of checklist maintenance. However, it is important to remember that the “shoulder seasons” provide an opportunity for us to perform vital maintenance on systems in order to keep […]
Read more
Be Careful When Jumping Out a Blower
We've seen it before. A tech diagnoses a failed blower relay or board. They leave the blower jumped out by putting a terminal multiplier on the common terminal of the relay/board and connecting the fan speed tap right to power. There can be an issue with that. Some electric heat fan coils have a heat/blower […]
Read more
Evaporative Cooling Basics
You may have heard about “swamp coolers” before. Surprisingly, we don’t see too many of them in Florida—even though the state is famous for its swamps.  Contrary to their name, swamp coolers are common in arid (dry) climates. They’re also called evaporative coolers because they use the evaporation process to cool the air.  This article […]
Read more
loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from