@acservicetech: Craig discusses how an outdoor HVAC system initiates defrost when called for it by a thermostat! Learn more about HVAC by joining our online HVAC Academy! https://www.acservicetech.com/academy . . . #defrost #hvacsystem #discussion #academy #hvac #hvacr #hvactech #technician #hvacservice #hvacrepair #controlboard #circuit #thermostat #hvactraining #hvacschool

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Saturday 31 October 2026 19:15:00 GMT