A/C COMPRESSOR SWITCH — WHAT STARTS YOUR COOLING?
A/C COMPRESSOR SWITCH — WHAT STARTS YOUR COOLING?
The electrical switch that helps turn your outdoor A/C unit on and off is called a contactor. When your thermostat calls for cooling, the contactor closes to supply power to the compressor.
✔ Helps the compressor start when cooling is needed
✔ Helps the outdoor unit turn off when the cooling cycle ends
✔ Plays an important role in reliable A/C operation
⚠️ If the contactor wears out or fails, your outdoor unit may not start—or it may keep running when it should stop. If you notice either problem, have a qualified technician inspect the system.
Keep your home comfortable with professional A/C service from Uptown Heating & Air Conditioning.
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