Heat Pump Repair in Clemmons, NC

This is a common heat pump complaint, and it has a few possible causes: a stuck reversing valve that won't switch the system into heating mode, low refrigerant, or the system relying on auxiliary heat that isn't kicking in. It doesn't automatically mean the compressor has failed — we test the reversing valve and refrigerant circuit before assuming the worst.

It varies by component. A defrost board or capacitor repair is a modest job; a reversing valve or compressor issue is more involved because of the refrigerant work required. We diagnose the actual fault first and give you a written estimate before any repair, so the cost reflects the real problem rather than a guess.

If the unit is relatively young and the fault is a single part — a capacitor, contactor, or defrost board — repair is almost always the right call. A failed compressor, especially on a system already past 10-12 years old, is where replacement starts making more sense, since compressor work is expensive relative to the value left in an aging unit. We lay out both paths honestly.

We recommend twice-a-year service for heat pumps — once before cooling season and once before heating season — since the same unit runs year-round in both modes. In Piedmont Triad, winter freezes put real stress on the outdoor unit's defrost cycle, and neglected units are the ones we most often see with ice buildup or reversing valve failures.

Across service calls the most frequent failures are electrical and control-side rather than catastrophic: capacitors, contactors, defrost boards, and defrost sensors. Reversing valve and compressor failures get the most attention because they are expensive, but they are far less common than the smaller parts that stop a unit from switching modes or completing a defrost cycle. That distinction matters for what you should expect — a heat pump that has stopped heating is more likely to need a modest part than a new system.

There is no single temperature. It depends on the balance point for your home, which is the outdoor temperature at which the heat pump's output stops matching the building's heat loss. On many systems that falls somewhere in the 30s Fahrenheit, but it is a function of the equipment, the insulation, and how the thermostat is programmed rather than a fixed number. Auxiliary heat engaging during genuinely cold weather is normal. Auxiliary heat running in mild weather is not, and that usually points to a control, sensor, or refrigerant charge problem worth diagnosing.

Heat pumps work harder than most equipment because they heat and cool, so age matters more in the decision. In Clemmons about 64% of homes heat with electricity and the median home was built in 1994 (U.S. Census ACS 2024 5-year estimates), which means many neighborhoods are on their second or third heat pump — and some original systems are now past the 10-to-15-year range where repeat repairs stack up. A repair usually makes sense for a newer unit with a single failed part such as a capacitor, contactor or fan motor. Replacement deserves a look when the compressor fails on an older unit, when the system still uses R-22 refrigerant, or when the backup electric heat strips are running constantly in cold weather, which shows up as unusually high winter bills.