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HVAC failures often stem from airflow restrictions or dirty coils, not just faulty parts. Before pursuing a repair, check filters and condenser cleanliness; if the issue involves the sealed refrigerant circuit, contact a certified technician to avoid illegal and unsafe handling of refrigerants.
A heat pump failure is often a symptom, not a cause. Learn how to diagnose high-pressure switch issues and decide when to repair or replace your HVAC unit.