Summer Heat Pump Maintenance Tips

The Fourth of July has come and gone and summer is in full swing, so we wanted to remind you that there are a few things you need to know about keeping your heat pump in prime condition this summer. (And before we talk about heat pumps, just a reminder to turn off your heated floor if you are lucky enough to have one!)

We looked to our friends at Sum Zero Energy Systems in Holliston to see what they recommend. Here are their top four tips that homeowners can do themselves. 

1. Inspect and Clean the Outdoor Unit

The outdoor unit, or condenser, can accumulate dirt, leaves, and debris which should be cleared away so your heat pump can run efficiently. To clean it:

  • Turn off the power
  • Remove debris
  • Clean the fins (use a soft brush to gently clean the fins and be careful not to bend them)
  • Wash the coils with a garden hose if dirty (do not use a pressure washer)

2. Replace or Clean the Air Filters

Air filters should be checked monthly and replaced or cleaned as needed to maintain the efficiency of your heat pump.

  • Locate the filter (usually located in the return air duct or the blower compartment, or in the unit itself with a mini-split)
  • Remove the filter and inspect it
  • Clean reusable filters or replace disposable filters (if washing, let them dry completely before reinstalling)

3. Check the Thermostat

Ensure your thermostat is working correctly to maintain the desired indoor temperature.

  • Set the thermostat to cooling mode (check if the heat pump turns on and off according to the thermostat setting)

4. Inspect Ductwork

Leaky or dirty ductwork can reduce the efficiency of your heat pump.

  • Inspect for leaks (if you see visible gaps or leaks in the ductwork then seal them with duct tape or mastic sealant)
  • Clean the ducts (if you notice significant dust buildup, cleaning it can greatly improve your heat pump’s performance)

By following these simple steps, you can maintain your heat pump efficiently and ensure it keeps your home cool throughout the summer. Regular maintenance improves performance and extends the lifespan of your heat pump. In addition to seasonal maintenance, it is very important to schedule an annual service for your heat pump to keep it running efficiently and prevent future problems.If you are not a “Do-It-Yourselfer,” we suggest that you call our trade partner Sum Zero Energy Systems and arrange for a service call and service contract. Heat pumps are a big investment, and just like bringing in your car for its scheduled service, consistent and regular maintenance is key to performance and longevity of the system.