Why Is My Heat Pump Running But Not Cooling Properly?
A heat pump that runs but doesn’t cool usually has restricted airflow or a control/charge problem. Dirty air filters reduce airflow. Dirty indoor or outdoor coils reduce heat transfer. Low refrigerant from a leak cuts cooling. Thermostat or electrical faults disrupt operation. Duct leaks waste cooled air. Frozen coils can also stop cooling. Our NATE-certified technicians service all major brands across Fort Wayne and nearby areas.
Quick checks:
- Replace a dirty air filter.
- Set thermostat to Cool and lower the setpoint.
- Clear debris 2–3 ft around the outdoor unit.
- Open supply and return vents.
Updated: 2025-11-04 00:00:00
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Sources
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