Air Solutions - Saint Louis's Top-Rated HVAC Services

In our Saint Louis climate, a frozen evaporator coil is often caused by restricted airflow from a dirty filter or blocked vents, or by low refrigerant levels. Both issues force the coil to get too cold, forming ice that reduces cooling and can damage your system. We'll check airflow, refrigerant charge, and components like the blower motor to fix the root cause and prevent future freeze-ups.

Key signs include reduced cooling despite the AC running, hissing noises from the refrigerant lines, ice on the evaporator coil or refrigerant lines, and higher energy bills. In Saint Louis, leaks can worsen with system strain during hot spells. We use electronic leak detectors to find even small leaks, then repair them and properly recharge the system to restore efficiency and protect your compressor.

Regular maintenance is key. We recommend changing your air filter monthly during peak seasons, ensuring vents aren't blocked by furniture, and scheduling a professional tune-up each spring. Our maintenance includes checking refrigerant levels, cleaning coils, and verifying airflow—all critical to preventing the freeze-ups and leaks common here. It's the best way to extend your system's life and avoid emergency repairs.