Why Is Your AC Not Completely Cooling Your Home?
When your AC isn’t cooling down your home to the set temperature, it’s a big problem. Fortunately, most common causes have easy solutions, especially if you have a reliable HVAC tech on speed dial. The most common causes of ACs not completely cooling a home include:
While you might be able to identify why your AC isn’t dropping the temperature enough by yourself, it’s usually best to leave the more complex issues to the pros.
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Problems With Airflow
When something obstructs the airflow in your AC, it can prevent your home from reaching the desired temperature. Before calling your local HVAC tech about your inefficient AC, check that all your vents are opened. If they are, something else in the system could be blocked.
Your air filter may be dirty, reducing the amount of air that can blow over the evaporator coils to cool off and that uncooled air will continue to cycle.
A blocked condenser unit could also be an issue. Your condenser unit sits outside, but if it’s surrounded by too much vegetation, it can’t release heat.
If you think obstructed airflow is the problem, contact a professional for a thorough inspection and duct cleaning.
Wrong Size Unit for Your Home
If your AC unit is too big or too small, it won’t cool your home properly. If you’ve just had a new AC unit installed and find that your home isn’t cooling completely, this is a likely culprit.
An AC unit that is too big can leave you with areas of your home that never reach your desired temperature because it often rapidly cools the central part of your home. Once that part of your home reaches the desired temperature, the unit turns off, but the AC hasn’t had the chance to properly circulate the air to other areas.
Conversely, when your AC unit is too small, it runs constantly without being able to lower the temperature of the air to the desired setting.
Refrigerant Leak
The refrigerant in your AC’s coils is the key to cooling your home, absorbing heat from inside and taking it to the outdoor condenser to be dissipated. If you have a refrigerant leak, your AC can’t move the heat efficiently. While it may continue to run, it won’t reduce the temperature optimally.
This is a problem that’s best left to an expert. Your technician must identify the source of the leak and repair it before replenishing the refrigerant.
Dirty Condenser
When a condenser becomes dirty, your AC can’t effectively cool the air. Dirt, dust, pollen, and all sorts of other grime from outside can cover the condenser and raise the temperature of the refrigerant inside higher than it normally would.
As this happens, the compressor has to work harder and becomes inefficient. In turn, the compressor can overheat and shut down until it’s reached safer temperatures.
Keeping your condenser and AC clean is an integral part of your AC’s annual maintenance. You can often clean it on your own by spraying it off with a garden hose without opening the unit.
Just be sure to turn off the power to your AC at the breaker box before starting. If you aren’t confident cleaning it yourself, contact your local HVAC technician for servicing.
Leaking Ductwork
Ductwork allows your AC to distribute conditioned air across the home. When it leaks, the cool air escapes through cracks, resulting in hot and cold spots throughout your house.
HVAC technicians know how to locate leaks in your ductwork and have the equipment to do it efficiently. They can also determine whether you need to have all new ductwork installed or if they can fix the faulty areas.
If you’re tired of your AC not cooling your house enough, it’s time to call in reinforcements.
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