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Call us Now :

713-868-9907

Price Your Job Quickly:

Average Cost Guide

Why is My AC Running but Not Cooling?

As we head into the summer months here in Houston, the importance of having a properly operating air conditioning system cannot be overstated. Hotter temperatures, higher humidity, and the increasing amount of development in our city mean that every summer here seems worse than the one before.

Air conditioning systems are made up of mechanical and electronic parts that all contribute to the unit being able to do its job of cooling your home. Wear and tear, as well as neglect of regular maintenance, will contribute to the aging of your AC system. If you’re wondering why my AC is running and not cooling, here are a few things that could cause the issue.

Check the Thermostat

There can be several answers as to why is my AC running but not cooling my house, and the first thing to check is that your thermostat is set correctly. Make sure the thermostat is set to “cool” instead of “heat” or “fan-only”, and that the proper temperature is set for the air conditioner to turn on. If you are unable to get your AC System to start cooling by manually operating the thermostat, there could be an issue with the thermostat itself.

Filters, Filters, Filters!

When was the last time you changed the filters in your air conditioning system? If the answer to that question is “never,” it is probably a good time to do it now. The filters in our AC systems traps dust, dirt, and other airborne irritants before they get into the air in our homes, allowing you to breathe easier. Clean air filters allow your AC system to breathe easier and help keep the system from working too hard and overheating.

Leaking Refrigerant

Essential to the mechanical cooling process in any AC system will be some form of chemical coolant used to draw heat out of circulated air. Depending on the age of your AC unit, this could either be known as R-22, in use since the 1930s, or R-410a, which has been the standard since 2010. If you are wondering why my AC is running but not cooling the house, you could have a refrigerant leak. Scheduling an air conditioning system tune-up with Nick’s Air Conditioning and Heating will determine if a refrigerant leak is the issue.

Undersized Air Conditioner

Adding rooms or an additional floor to your home will result in needing to re-engineer your HVAC system. Adequately sized air conditioning installation involves measurements of each room to be cooled, multiplied to arrive at a number calculated into British Thermal Units, or BTUs. An AC that is not able to provide the amount of cooling will cause it to run continuously, but not actually cool the home.

If your AC system is failing to cool your home adequately, call the experts at Nick’s Air Conditioning and Heating Services. We can perform AC maintenance, tune-ups, or completely replace your existing HVAC system with newer and more efficient technology.

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