CONTACTOR — STARTS YOUR A/C SYSTEM
CONTACTOR — STARTS YOUR A/C SYSTEM
Your A/C contactor is an electrical switch that sends power to the compressor and condenser fan when your thermostat calls for cooling.
✔ Turns outdoor unit on and off
✔ Sends power to compressor
✔ Powers condenser fan motor
✔ Important for reliable cooling
✔ Essential for daily system operation
⚠️ A worn or damaged contactor can cause no cooling, buzzing noises, stuck contacts, or system failure.
Common signs:
• Outdoor unit not starting
• Clicking or buzzing sounds
• A/C runs constantly
• Intermittent cooling
• Burned or pitted contacts
• System shuts off unexpectedly
Heat, insects, age, and electrical wear can shorten contactor life.
Regular maintenance helps inspect contacts before failure.
Small part, big job — don’t ignore your A/C contactor.
Uptown Heating and Air Conditioning ❄️
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