Dual-Season Comfort Kept Running Efficiently

Heat Pump Repair & Maintenance in Powell for systems failing to heat or cool effectively across seasonal temperature changes

A heat pump that cools adequately in summer but struggles to warm the house in winter often suffers from refrigerant loss, a failing reversing valve that won't switch between modes, or defrost controls that allow ice to coat the outdoor coil and block heat transfer. Metro Comfort Systems Heating and Air Conditioning repairs these issues across Powell and nearby areas, restoring year-round performance and preventing component failures that leave you without heating or cooling when seasonal temperatures reach extremes. Ice buildup on outdoor coils during winter operation is normal during defrost cycles, but when ice accumulates continuously, the system loses heating capacity and the compressor works harder without delivering warmth indoors.


Repairs target specific failures: replacing reversing valves that stick in one mode, fixing refrigerant leaks that reduce system capacity, and recalibrating defrost timers that initiate ice-melting cycles too infrequently. Low airflow from dirty filters or blocked indoor coils forces the compressor to work against higher pressures, shortening its lifespan and reducing efficiency in both heating and cooling modes. Routine maintenance prevents these problems by cleaning coils, checking refrigerant charge, testing electrical components, and verifying that both heating and cooling functions operate within manufacturer specifications.



Schedule a performance evaluation if your heat pump shows reduced output, runs constantly without reaching temperature, or switches between heating and cooling unexpectedly.

Why Heat Pump Maintenance Works for Dual-Season Performance

Maintenance begins with inspecting the reversing valve that directs refrigerant flow between heating and cooling modes, since a valve stuck partway causes the system to simultaneously heat and cool, wasting energy without conditioning your home. Technicians measure refrigerant pressures on both the suction and discharge sides, comparing readings to factory specifications to detect leaks or improper charge levels that reduce capacity. Electrical connections at the contactor and capacitor must remain tight, as loose terminals create resistance that overheats wiring and causes system shutdowns.


After service, your heat pump switches smoothly between heating and cooling as thermostat calls change, and the system reaches set temperatures without extended runtime or temperature overshoot. Airflow feels consistent across all registers, and the outdoor unit defrosts properly during cold weather without staying iced over for prolonged periods. Regular maintenance sustains these results by keeping coils clean, lubricating motor bearings, and testing capacitors that provide the electrical boost needed during compressor startup.



Inspections also check for refrigerant leaks at connection points and coil joints, since even small losses degrade performance over months and force the compressor to run longer cycles to achieve the same heating or cooling output. Technicians verify that outdoor fan motors spin freely and move adequate air across the coil, preventing high-pressure shutdowns that interrupt operation during peak demand.

What Homeowners Ask About Heat Pump Service

Questions about repairs, maintenance schedules, and troubleshooting performance issues are common among Powell residents relying on heat pump systems for year-round comfort.

  • What causes a heat pump to stop heating in winter?

    Refrigerant leaks reduce capacity, defrost controls that malfunction allow ice to block airflow, and reversing valves that fail prevent the system from switching into heating mode, all of which leave your home cold despite the unit running outdoors.

  • How often should heat pumps be maintained?

    Twice-yearly service—once before cooling season and again before heating season—allows technicians to address wear specific to each mode, test components under load, and clean coils that accumulate debris during Powell's seasonal pollen cycles and winter moisture.

  • Why does my heat pump constantly run without reaching temperature?

    Undersized equipment, low refrigerant charge, dirty coils that block heat transfer, or ductwork leaks that lose conditioned air before it reaches living spaces all force extended runtime without achieving comfort goals, increasing wear and energy costs.

  • What does the defrost cycle do?

    During heating mode in cold, humid conditions, outdoor coils collect frost that blocks airflow, so the system periodically reverses to cooling mode briefly, warming the outdoor coil enough to melt accumulated ice, then switches back to heating once the coil clears.

  • When should I repair versus replace a heat pump?

    Systems older than 12 years with compressor failures, multiple refrigerant leaks, or failing indoor coils often cost more to repair than replace, especially when repair expenses exceed 40 percent of new equipment installed, and aging systems use less efficient refrigerants being phased out industrywide.

Metro Comfort Systems Heating and Air Conditioning has served Central Ohio since 1986, and we offer a 10 percent discount for seniors, military veterans, and active-duty personnel. Call (614) 560-3572 when your system needs service or performance testing.