Why Is My Heat Pump Running But Not Cooling Properly?
A heat pump that runs but won’t cool usually has one of four issues: airflow restriction, incorrect settings, low refrigerant, or dirty coils. It can also be a thermostat problem or debris around the outdoor unit. Our techs clean coils, check refrigerant levels, verify thermostat accuracy, clear condensate drains, tighten electrical connections, and confirm the system switches modes correctly.
Quick checks:
- Set thermostat to Cool and fan to Auto.
- Replace/clean the air filter.
- Clear leaves/debris from the outdoor unit.
- If icing or short-cycling persists, schedule service.
Updated: 2025-12-30 00:00:00
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Sources
- [0]https://www.summersphc.com/lafayette/services/cooling/ac-installation/
- [1]https://www.summersphc.com/lafayette/services/cooling/
- [2]https://summersphc.com/lafayette/2025/08/stay-comfortable-and-save-money-with-new-smart-thermostats-in-lafayette/
- [3]https://summersphc.com/lafayette/services/indoor-air/
- [4]https://summersphc.com/lafayette/services/cooling/geothermal-installation/