How to Clean Your Heat Pump Filter for Maximum Efficiency

February 11, 2025by One Stop Home Repair

Your heat pump works hard to keep your home warm in the winter and cool in the summer. But did you know that a dirty filter can reduce its efficiency, increase energy costs, and even shorten its lifespan?

Cleaning your heat pump filter is quick, easy, and essential for keeping your system running smoothly. Here’s a step-by-step guide to help you do it right!


Why Cleaning Your Heat Pump Filter Matters

A clogged filter can lead to:

✔️ Reduced airflow, making your system work harder

✔️ Higher energy bills 💰

✔️ Poor indoor air quality (hello, dust and allergens!)

✔️ Potential system breakdowns 😬

To avoid these issues, aim to clean your filter every 1-3 months, depending on usage and air quality.


Step-by-Step Guide to Cleaning Your Heat Pump Filter

What You’ll Need to Clean Your Heat Pump:

✔️ A vacuum cleaner or a soft brush

✔️ Mild soap and warm water (if needed)

✔️ A dry towel

How to Clean the Filter on Your Heat Pump

  1. Turn Off the Heat Pump – Safety first! Always switch off the unit before cleaning.
  2.  Locate the Air Filter – Open the front panel of your indoor unit. Most filters slide out easily.
  3. Vacuum or Brush Off Dust – Use a vacuum or soft brush to remove dirt and debris. If the filter is really dirty, move on to the next step.
  4. Wash with Soap & Water (If Needed) – Rinse the filter under lukewarm water with a little mild soap. Avoid harsh chemicals!
  5. Dry Completely – Let the filter air dry fully before reinstalling it. A damp filter can cause mold growth.
  6. Reinstall & Turn the System Back On – Slide the clean, dry filter back in and close the panel. You’re done!

Bonus Tips for a Healthier, More Efficient Home

✔️ Set a Reminder – Mark your calendar to clean your filter every 1-3 months.

✔️ Check for Damage – If your filter is torn or worn out, it’s time to replace it.

✔️ Schedule a Professional Check-Up by One Stop Home Repair – A yearly tune-up ensures your heat pump runs at peak performance.


If you’re unsure about cleaning your filter or need professional maintenance, One Stop Home Repair has you covered!

📞 Call us at (207) 866-5690 to schedule a heat pump service today!

Our Service Area

We are based in Orono, Maine – but we’ll go wherever we’re needed subject to availability!

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