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NATICK, MA 01760-3797
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How to reset your AC system when it’s not working

- 1:44 pm - March 14th, 2024

The last thing you need on a hot summer day is to have an air conditioner that doesn’t work. The experts at Coan Oil know how hot Massachusetts summers can get, but before you call us, there are a few simple steps to try and reset your air conditioner and get it back up and running.


  1. Check the thermostat: Ensure your thermostat is set to “cool” and the desired temperature is lower than the room temperature. If your thermostat has batteries, replace them with new ones.

  2. Inspect the air filter: A clogged air filter can decrease efficiency and restrict airflow. Make sure you replace your air filter at least once every 3 months, or as needed.

  3. Look for a reset button: Some outdoor air conditioning units have small red “reset” buttons, and that is a great place to start. Try holding that button for a few seconds.


When these steps don’t seem to be working, don’t break a sweat! Coan Oil offers complete air conditioning services for homes and businesses in the Natick, MA area. We offer competitive service plans for maximum savings on repairs and maintenance. You can always count on us 24/7 for prompt emergency service.


Visit our air conditioning repairs page or contact us for more information.