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What To Check When Your AC Isn’t Cooling


Air Conditioning, HVAC
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When your air conditioner goes out, you want to fix it quickly! Here are some things to check to see why your AC is not cooling:

1. The Thermostat

When you first notice your home heating up, your first check should be to ensure your thermostat is set correctly.

Have you adjusted your programmable thermostat for the new season? Is it set to cool? This simple fix might be the root of your issue.

2. Air Filters

What seems like the most basic part of your AC system, air filters actually play a big role in cooling your home. Air filters catch dirt, dust, and other airborne particles as they pass through from your ductwork and into your home.

Another filter is in the air handler unit. A dirty air filter can block the unit’s airflow and cause your system to shut down completely. Check and replace dirty air filters.

3. Exterior Condenser Unit Issues

Your outdoor unit needs to be free of debris and have adequate airflow to run properly. Check for blockages inside the condenser unit.

A clogged condenser coil could be the issue if your unit is running but not cooling. You can try to clear dirt and debris using a hose or a brush. If the system still isn’t cooling, call an HVAC expert.

4. Inside Evaporator Coil

A frozen evaporator coil can create cooling issues for your system, and it’s difficult to resolve without an experienced technician.

If you notice frost on the coil or excessive condensate drainage near your outdoor unit, you might have a frozen coil.

5. Refrigerant Leak

Your system uses refrigerant to cool the air. A leak can cause a breakdown in your cooling process.

Because refrigerant is a chemical, only HVAC professionals should handle issues with refrigerant leaks.

Request AC Services From Service Today

If your cooling system is more than 10 years old or if you have made recent renovations or additions to your home that added square footage your home, your AC system might not be able to keep up with demand.

An annual HVAC inspection and maintenance program can help extend the life of your system. But, if your AC isn’t cooling your home adequately, the professionals at Service Today can provide the air conditioning repairs you need.

Call Service Today to request 24/7 emergency AC repairs in Delaware, Maryland, or Pennsylvania. We’re always available for same day service.

*No Breakdown Guarantee $49 Furnace Check-Up Expires 12/31/2024 Restrictions apply. Oil heat excluded. Price is per unit. Additional units are extra. Call for full details. Should a check-up customer's heating system break down before 3/31/2025, the cost of the tune-up/cleaning/check-up will be credited to their repair invoice.
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