Spring will be here before we know it, and that means transition time for technicians. The end of the heating season means getting ready for the cooling season, at least at my latitude.
Checking temperatures in and out of the air conditioning coil is an important part of preparing a residential air conditioning system for the season. This article will cover how checking temperatures through an evaporator coil can tell a service technician if there’s a problem in the air-handling system or refrigerant system. It will also cover other general troubleshooting areas.