Why Isn’t My AC Cooling My House in Madisonville, KY?

Summer is here, and temperatures in Madisonville, KY are climbing. But for some homeowners, turning on the air conditioner isn’t bringing any relief from the heat. Here are some reasons why your AC isn’t cooling your home.

Thermostat Is Defective or Not Set Properly

When homeowners turn on their HVAC system to cool down the house, only warm air blows out – if it turns on at all. But if that isn’t the problem, you might need to replace or upgrade your thermostat.

Unit Is Low on Refrigerant

Another reason why your AC could be blowing hot air is because the system is low on refrigerant. This is especially common on older systems when you don’t service them regularly.

Have you noticed any wet spots or leaks in and around your unit? Have you seen any ice buildup on your evaporator coils?

These are signs that the refrigerant is low and needs refilling. In some cases, these signs could also signal that there’s a leak that needs repair.

Air Ducts Have Leaks

If your AC is blowing cold air but some rooms in your home are noticeably warmer than others, there could be a problem with airflow. Some airflow problems require a simple damper adjustment.

But if air is leaking into the crawl spaces or attic, then you likely have holes and cracks in your ductwork. If that’s the case, you’ll want to professionally clean and seal your air ducts.

HVAC Filter Needs Replacing

Finally, dirty air filters reduce airflow and make it harder for your AC to cool off the entire house. Replacing HVAC air filters every 90 days – or more frequently – is one of the best ways to maintain your HVAC system. Regular AC maintenance and filter changes will put less strain on the motor, improve air quality and allow cool air to reach the whole home more efficiently.

Nobody wants to sit in a hot house all summer long. If your central air conditioner isn’t cooling your home properly this summer, contact E&M Heating, Plumbing & Air Conditioning to fix your AC as soon as possible.

Image provided by iStock

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