Germundson Heating & Cooling - Whitewater's Local HVAC Services

Frozen heat pumps in our Wisconsin winters are often caused by refrigerant issues, airflow blockages from dirty filters, or malfunctioning defrost cycles. Germundson's technicians diagnose the root cause—whether it's a low charge, a faulty sensor, or a failing component—and perform the precise repair needed. We also recommend and provide seasonal maintenance to clean coils, check refrigerant levels, and ensure your system runs efficiently to prevent future freeze-ups.

Yes, pilot light failures are common here, often due to a dirty or weak thermocouple, drafts, or issues with the gas supply. This is a safety feature, but it leaves you without heat. Germundson's experts will safely inspect, clean, and adjust the pilot assembly or replace the thermocouple if needed. For older furnaces, we can discuss the benefits of upgrading to a modern, reliable electronic ignition system that eliminates pilot light problems altogether.

We recommend bi-annual maintenance—once in the fall for your heating system and once in the spring for cooling. Our Whitewater-specific tune-up includes checking and cleaning burner assemblies and pilot systems, inspecting heat pump coils and defrost controls, testing safety devices, and ensuring proper airflow. This proactive service catches small issues before they lead to a no-heat situation or a frozen unit, saving you from emergency repairs and improving system longevity.