Latest / HVAC School - For Techs, By Techs
Why A/C Units Freeze w/ Eric Shidell
In this episode, Bryan speaks with Eric Shidell about some of the basics of system freezing, what causes it, and what to do about it.
Freezing is a normal part of some equipment, such as low-temperature freezers and outdoor units on heat pumps. On straight-cooling systems, freezing is NOT normal and indicates poor operation. Ice formation starts on the evaporator coil and may spread to the compressor via the suction line. The best way to remove ice and defrost the system is to pull the disconnect on the outdoor unit but let the indoor fan keep running. Or, you could turn the unit off but…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.