Kelvin HVAC Services - Annandale's Qualified HVAC Repair

This is a common local issue, often related to the heat pump's reversing valve. When this valve fails or gets stuck, the system can't change direction between heating and cooling. Our technicians are experienced with all makes and models common in our area. We'll diagnose the valve, check related electrical components, and provide a clear repair option to restore your system's proper function efficiently.

Our maintenance service is designed to prevent major breakdowns and extend your system's life. It includes a comprehensive check of electrical connections, cleaning of coils, inspection of the blower motor, lubrication of moving parts, and checking refrigerant levels. For Annandale homeowners, this proactive care is crucial for catching issues like early blower motor wear before they lead to a complete failure, especially during our seasonal extremes.

That extensive experience means we've successfully installed systems in a wide variety of Northern Virginia homes. We understand how different home layouts, insulation levels, and local climate demands affect system sizing and performance. This allows us to provide a truly customized installation recommendation, ensuring your new system is efficient, properly sized for your Annandale home, and installed correctly the first time for long-term reliability.