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AC Won’t Shut Down? Here’s How to Proceed

In the scorching heat of summer, your air conditioning system is a lifeline to cool and comfortable indoor spaces. But what happens when your AC won’t shut down, even when you’ve adjusted the thermostat?

It could be time for AC repair in Springfield, VA. This situation can be concerning, both for your comfort and for the potential strain on your AC system. Let’s take a look at the steps to take if your AC won’t shut down and offer insights into the possible causes and how to proceed.

Check the Thermostat


Before diving into troubleshooting, start by double-checking your thermostat settings. Make sure the thermostat is set to your desired temperature and mode. Sometimes a simple oversight in thermostat settings can lead to the AC running properly.

Inspect the Air Filters

If it’s not that simple of a solution, you may want to check for dirty or clogged air filters. These can impede airflow causing the AC to work harder and longer. As a result the AC will continue to run without effectively cooling the home.

You can check the air filters and clean or replace them if needed. Regularly maintaining clean air filters not only improves indoor air quality but also helps your AC function efficiently.

Examine the Evaporator Coils

Over time the evaporator coils can become dirty or frosted, preventing the heat exchange process and causing the AC to run non-stop. Try turning off the AC and allow the coils to defrost. If they are dirty you might want to have a professional come out and clean them.

Inspect the Condenser Unit

Check the outdoor condenser unit for debris, dirt, or vegetation blocking airflow. Gently clean the unit and clear any obstructions. Ensure there is at least two feet of clearance around the unit for proper airflow. A dirty or obstructed condenser unit can lead to poor heat dissipation.

Thermostat or Electrical Problems

When your thermostat is having issues it can prevent your AC from getting accurate temperature readings. When the unit can’t get proper readings, it may run non-stop trying to meet the expected temperature. You can test the thermostat by adjusting the temperature settings. If it’s unresponsive or inaccurate it may need to be replaced.

Short Cycling can occur as a result of this issue as well. This is when your AC keeps turning on and off rapidly. Other underlying issues include refrigerant problems or lack of airflow. In a similar fashion, faulty wiring, relays, or control boards can cause the AC to remain on even when it should be off. If an electrical issue seems likely, it’s best to seek the assistance of a professional.

When your AC won’t shut down it’s important to take a systematic approach to identify the cause and find the right solution. While some issues can be resolved with basic maintenance, others require the expertise of a professional HVAC technician. Regular maintenance, proper cleaning, and prompt attention to unusual AC behavior can help prevent issues and make sure your cooling system works efficiently all year-round.

Contact McDaniel Service, Inc to schedule your appointment today! Service is our middle name!

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