07/20/2026
Maintaining your heat pump keeps it running efficiently and prevents costly repairs.
The most actionable steps include washing your indoor unit's filters every 2 weeks, keeping the outdoor condenser clear of debris, and scheduling an annual professional inspection.
Monthly Maintenance (DIY)Clean the Indoor Filters: Check your ductless unit filters every 2 weeks. Vacuum off built-up dust, wash them with mild soap and water, and let them dry completely before snapping them back into place.
Clear the Outdoor Unit: Routinely remove leaves, yard debris, and snow from the area around your outdoor condenser. Ensure shrubs and foliage are at least 18 inches away so airflow isn't restricted.
Wash the Outdoor Coils: Lightly rinse the outdoor fins with a garden hose on a low-pressure setting to knock off dust and dirt. Never use a pressure washer, as it will bend the delicate aluminum fins.
Seasonal & Annual Care: Check Drain Lines: Condensate drain lines can clog with algae, causing water damage. Periodically flush the drain pan and clear out the P-trap to ensure water flows freely.
Professional Servicing: Schedule an annual or bi-annual service appointment with a certified technician. They will check refrigerant levels, tighten electrical connections, and deep-clean the internal coils and blower wheels to prevent mold buildup.