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Why Is My AC Running But Not Cooling? Troubleshooting & Repair Solutions

overheated-person

There’s nothing more frustrating on a hot day than realizing your air conditioner is running—but your home still feels warm. If your AC is on but not cooling, it could be due to a number of simple or more serious issues. Here are a few things homeowners can check themselves before calling in the professionals for AC repair in Springfield, VA—and why it’s important to act quickly to avoid further damage to your system.

Check and Clean Your Air Filter

A dirty or clogged air filter is one of the most common causes of weak cooling performance. When your AC can’t draw in enough air due to a blocked filter, it struggles to cool your home effectively—and the added strain can even lead to bigger problems like frozen coils. Check your air filter and, if it looks dirty, replace it with a new one. Ideally, filters should be changed every 1-3 months, depending on usage, pets, and local air quality.

Inspect the Outdoor Unit

Your AC’s outdoor condenser unit plays a key role in releasing the heat your system removes from your home. If the unit is clogged with dirt, leaves, or grass clippings—or surrounded by overgrown vegetation—it can’t do its job properly. Take a few minutes to gently rinse the unit with a garden hose (avoid high pressure), and trim back any plants to allow at least two feet of clearance around it. This simple step can help restore airflow and cooling performance.

Clean the Indoor Coils

Your AC’s evaporator coils, located inside the air handler, can also collect dust over time. Dirty coils limit the system’s ability to absorb heat from your home, leading to poor cooling results. While it’s best to have a professional handle in-depth coil cleaning during annual maintenance, you can gently dust accessible areas and ensure the surrounding space is clean and unobstructed.

Double-Check Your Thermostat

It may seem obvious, but don’t overlook your thermostat settings. Make sure it’s set to “Cool” and that the temperature is lower than your current room temperature. Also check if the fan is set to “Auto” rather than “On.” In the “On” setting, the fan runs continuously, even when the AC isn’t actively cooling, which can make it seem like the system is working without lowering the temperature.

Still Not Cooling? Time for Professional AC Repair

If you’ve gone through the checklist above and your air conditioner is still running but not cooling, it’s time to call in the experts. The issue could involve low refrigerant levels, a failing compressor, electrical problems, or ductwork issues—all of which require professional tools and training to diagnose and repair safely.

Prompt repair is essential to prevent further damage and to restore your home’s comfort as quickly as possible. Delaying service can lead to higher energy bills, worsening problems, and more expensive repairs down the line.

Let Our Team Help

Our experienced HVAC technicians are here to get your system back on track. Whether it’s a quick fix or a more complex repair, we’ll diagnose the issue accurately and get your home cool again in no time. Don’t sweat it—reach out to us today for fast, reliable AC repair service!

At McDaniel Service, Inc, service is our middle name! Contact us today for expert AC repair in Springfield, VA.

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