One of the more confusing HVAC issues homeowners encounter is an air conditioner that's clearly running, with air coming from the vents, but the home simply isn't getting any cooler. Old Glory Air Conditioning and Heating explains the most common causes behind this frustrating scenario.
If your system is low on refrigerant, whether due to a leak or an improper charge, it may still blow air, but that air won't be adequately cooled since refrigerant is essential to the heat removal process that actually cools your home.
Ice buildup on the evaporator coil, often caused by restricted airflow or low refrigerant, prevents the coil from properly absorbing heat from your indoor air, meaning the air blowing from your vents may feel only mildly cool or even warm.
The compressor is responsible for circulating refrigerant through your system and enabling the entire cooling process. If the compressor is failing or not engaging properly, your system may continue to blow air through the fan while providing little to no actual cooling.
A severely clogged air filter can restrict airflow to the point where the evaporator coil becomes too cold and ices over, disrupting the cooling process even though the fan continues to circulate air.
If the outdoor condenser unit isn't functioning properly, whether due to a failed fan motor, electrical issue, or blocked airflow around the unit, the overall cooling cycle can be disrupted even while the indoor blower continues operating normally.
In some cases, a malfunctioning thermostat may be calling for fan operation without properly engaging the cooling cycle, resulting in air movement without actual temperature reduction.
Because several different components could be behind this issue, ranging from something as simple as a dirty filter to a more involved compressor failure, a professional diagnostic visit is the most reliable way to identify the actual cause.
Continuing to run a system that's blowing air without cooling not only leaves your home uncomfortable, but in cases involving low refrigerant or a struggling compressor, continued operation can potentially cause further damage to your equipment.
If your air conditioner is running but not cooling your home effectively, our team can quickly diagnose the issue and get your system back to providing the comfort you expect.
