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Why Is My Heat Pump Running But Not Cooling Properly?

Your heat pump may run but not cool due to airflow, settings, or a refrigerant issue. Start with a few quick checks, then schedule service if cooling still lags. We serve Hamburg, Buffalo, and Depew.

Quick checks:

  • Set thermostat to Cool and Auto; set temperature below room.
  • Replace a dirty air filter.
  • Clear leaves or debris around the outdoor unit to restore airflow.
  • Confirm the outdoor breaker/disconnect is on.
  • If the outdoor unit is iced, turn the system off to thaw.
  • Weak or warm air can indicate low refrigerant; this needs a technician.

Updated: 2025-12-29


Need help in Hamburg, NY? Call (716) 216-5332 or book online.

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