Why Is My A/C Running but Not Cooling the House?

It's a hot day, your A/C is running—but your home still feels like an oven. If your air conditioner is on but not cooling properly, it could be due to several common issues. Understanding the cause can help you take the right steps to restore comfort quickly.

1. Dirty Air Filter

   
   

A clogged or dirty air filter restricts airflow, making it harder for your A/C to circulate cool air. When airflow is limited, your system works overtime without results, leading to poor cooling and higher energy bills. Try checking and replacing your filter every 60–90 days..

2. Low Refrigerant Levels

Refrigerant is the substance that absorbs heat from your home’s air. If your system is low on refrigerant, it could be due to a leak. Low refrigerant means your A/C can't absorb heat effectively, leaving your home warm and uncomfortable.

3. Frozen Evaporator Coils

When airflow is restricted or refrigerant is low, the evaporator coils can freeze. This prevents your system from absorbing heat properly, and can even damage the compressor if not addressed. If you see ice on the indoor unit or notice weak airflow, shut the system off and call a professional. ( HVAC Kings 866.945.5550 )

4. Clogged Condenser Unit

Your outdoor condenser unit releases the heat pulled from inside your home. If it’s clogged with dirt, debris, or leaves, it can’t do its job efficiently. This leads to heat buildup and poor cooling performance. Cleaning the unit or scheduling maintenance can resolve this issue.

5. Thermostat Issues

Sometimes, the problem isn’t with the A/C unit at all—it could be your thermostat. If it’s set incorrectly, malfunctioning, or located in a spot that doesn’t represent the actual room temperature, it can cause your system to behave unpredictably.

Don’t Wait—Have a Professional Inspect Your System

If your A/C is running but not cooling, ignoring it can lead to bigger problems—like frozen coils, compressor failure, or costly repairs. It’s always best to have a licensed HVAC technician diagnose the issue before it causes serious damage.

Need help now? Call the experts at HVAC Kings for fast, reliable air conditioning repair and maintenance. We’ll get your comfort back on track in no time!

Need Help? Contact HVAC Kings Today!

If your system isn’t cooling properly or you suspect dirty coils, we can help. Our team offers professional coil cleaning services and maintenance plans to keep your HVAC running smoothly year-round.

📞 Call us today at 866-945-5550🌐 Visit us at www.hvackingsllc.com