What is what to do when ac freezes?

When your AC freezes, it's usually due to restricted airflow or low refrigerant. Here's what you should do:

1. Turn Off the AC: Immediately turn off your air conditioner to prevent further damage. This allows the ice to melt and avoids stressing the compressor.

2. Turn on the Fan: Switch the system to "Fan Only" mode. This will circulate air from your furnace (or air handler) across the frozen coil, helping to melt the ice more quickly.

3. Check the Air Filter: A dirty air filter is a common cause of restricted airflow. Replace the filter with a clean one. See information about this subject on: dirty%20air%20filter.

4. Check for Blocked Vents: Make sure that supply and return vents are not blocked by furniture, rugs, or curtains. Free airflow is essential. See information about this subject on: blocked%20vents.

5. Wait for the Ice to Melt: This can take several hours, or even up to a full day, depending on the severity of the ice buildup. Don't try to chip away at the ice.

6. Check Refrigerant Levels (If Comfortable and Knowledgable): Low refrigerant can also cause freezing. This is a more complex issue and typically requires a professional. Note: Handling refrigerants incorrectly can be dangerous and harmful to the environment. See information about this subject on: refrigerant%20levels.

7. Restart the AC: After the ice has completely melted and you've addressed potential airflow problems, turn the AC back on and monitor its performance.

8. Call a Professional: If the problem persists after you've tried these steps, or if you suspect a refrigerant leak or other mechanical issue, contact a qualified HVAC technician. See information about this subject on: HVAC%20technician.