Experienced HVAC Repair in Saint Louis, MO 63129 - Comfort Engineering

Common signs in Saint Louis homes include your AC system running longer than usual, reduced cooling power, higher energy bills, and ice forming on the refrigerant lines. Dirt and debris build-up on the coils forces your system to work harder, especially during our humid summers. Our thorough cleaning service restores efficiency and can prevent costly breakdowns.

If your St. Louis heat pump is stuck in one mode (only heating or only cooling), isn't reaching the set temperature, or you hear a hissing noise, the reversing valve may be faulty. This valve is crucial for switching between heating and cooling. Our technicians can diagnose the issue—whether it needs repair or replacement—to ensure your system works properly in all seasons.

Our preventative maintenance visit is designed for Saint Louis homes and includes inspecting electrical connections, checking refrigerant levels, cleaning condenser and evaporator coils, testing the reversing valve operation, lubricating moving parts, and checking the thermostat calibration. This proactive service directly addresses common local issues to improve system lifespan, efficiency, and reliability.