Ace Air and Heat | Reliable HVAC Repair in Hattiesburg, MS

Common signs include warm air blowing from vents, unusual noises like grinding or humming from the outdoor unit, frequent circuit breaker trips, and a compressor that won't start. Given our local heat, this can quickly lead to a complete breakdown. It's best to call for a professional diagnosis immediately to prevent further damage.

Yes, a malfunctioning reversing valve is a likely cause, especially common with the frequent cycling our Hattiesburg climate demands. Symptoms include the system blowing cool air in heat mode or warm air in cool mode, or getting stuck in one mode. Our technicians can test the valve's solenoid and refrigerant flow to confirm and perform the necessary repair.

Our precision maintenance includes checking refrigerant levels, electrical components, and system pressures—key factors in compressor and valve health. By cleaning coils, lubricating parts, and identifying wear early, we reduce the strain that leads to these failures. This proactive care extends your system's life and improves efficiency, saving you from costly emergency repairs during our hottest and coldest months.