Summer is here, and your central AC system is supposed to keep you cool and comfortable during the hottest months of the year. However, if your AC is not cooling properly, it can be frustrating and uncomfortable. In this article, we’ll explore some of the common reasons why your central AC may not be cooling and what you can do to fix the issue.

Dirty Air Filter

A dirty air filter can restrict airflow and reduce the efficiency of your central AC system. It’s recommended that you replace your air filter every 1-3 months to ensure optimal performance. A clogged filter can cause your AC unit to work harder, which can result in poor cooling and higher energy bills.

Refrigerant Leak

Refrigerant is the substance that your central AC system uses to cool the air. If there is a leak in the refrigerant line, the AC system may not be able to produce cool air. If you suspect a refrigerant leak, it’s important to call a professional HVAC technician to diagnose and repair the issue. Attempting to fix a refrigerant leak on your own can be dangerous and may cause further damage to your system.

Thermostat Issues

A faulty thermostat can cause your central AC system to malfunction. If your thermostat is not functioning properly, it may not be sending the correct signals to your AC unit. This can result in your AC not cooling properly or turning on and off unexpectedly. If you suspect a thermostat issue, it’s important to have it checked by a professional.

Dirty Evaporator Coils

The evaporator coils in your AC unit are responsible for absorbing heat and cooling the air. Over time, these coils can become dirty and clogged with debris, which can reduce their efficiency. Regular cleaning of the coils can help to improve the cooling performance of your AC unit.

Blocked Condenser Unit

The condenser unit in your central AC system is located outside and can become blocked with dirt, leaves, or other debris. A blocked condenser unit can reduce the airflow and cause your AC system to work harder, resulting in poor cooling performance. Regular cleaning of the condenser unit can help to prevent this issue.

There are several reasons why your central AC may not be cooling properly. From a dirty air filter to a refrigerant leak, it’s important to identify the issue and take action to repair it. If you’re unsure of the issue or feel uncomfortable attempting to fix it yourself, it’s always best to call a professional HVAC technician. With proper maintenance and regular inspections, you can keep your central AC system running efficiently and effectively for years to come.

The team at TNC Mechanical Cooling & Heating, Inc. in Monson, MA., is ready to assist. Serving clients throughout Western MA, the family-owned company offers a wide range of HVAC services. Visit us online for more information or call (888) 284-3892 to schedule an appointment.