Get Tech Tips
Subscribe to free tech tips.
Lee Botha Basic Refrigerant Circuit Course June 26, 2021, 6:50 pm
Related Tech Tips

Disconnects walk the fine line of being HVAC or electrical, but the HVAC technician is allowed to repair and replace disconnects in most places. Even if you work at a place where it isn't allowed, finding problems is a diagnostic skill you will want to have. As always, work safely with proper safety gear and […]
Read more
It can be useful to think of a multimeter as a “voltage drop” tool. Bryan covers the concept here in an excellent class that I highly recommend. This concept was a big help to me as I began to truly learn how to use a multimeter. A meter reads the voltage differential between two points. […]
Read more
There are three reasons why I don't like infrared thermometers for many HVAC tasks. #1 – The laser can be misleading The laser dot is just a point of reference, not an exact point where it is reading. Often the thermometer will read lower, higher, or over a MUCH wider area. Unless you are right […]
Read more
Comments
To leave a comment, you need to log in.
Log In