DIY Tips: How to Maintain Your Ductless Heat Pump Between Professional Cleanings

May 26, 2025By Tiffany Sinclair
Tiffany Sinclair

Understanding Your Ductless Heat Pump

A ductless heat pump is a versatile and efficient solution for heating and cooling your home. Unlike traditional HVAC systems that rely on ductwork, ductless heat pumps use individual units to control the temperature in specific areas. This makes them ideal for homes without existing ducts or for adding climate control to specific rooms.

Maintaining your ductless heat pump is crucial for ensuring it operates efficiently and has a long lifespan. While professional cleanings are essential, there are several DIY steps you can take to keep your system in top shape between those visits.

ductless heat pump

Regular Filter Cleaning

One of the simplest yet most effective maintenance tasks is cleaning the filters. Dirty filters can restrict airflow, reducing the efficiency of your unit and potentially leading to higher energy bills. To clean your filters:

  1. Turn off the unit and open the front panel.
  2. Carefully remove the filters.
  3. Use a vacuum cleaner to remove dust or rinse the filters with warm water.
  4. Allow the filters to dry completely before reinstalling them.

It’s recommended to check and clean the filters every month, especially during peak usage seasons.

Inspect the Outdoor Unit

The outdoor component of your ductless heat pump also requires regular attention. Debris such as leaves, grass clippings, and dirt can accumulate around the unit, obstructing airflow and reducing its efficiency. Here’s how you can keep it clean:

  • Ensure there's a clear space of at least two feet around the unit.
  • Remove any visible debris from around and on top of the unit.
  • Gently wash the exterior with a hose if necessary, avoiding spraying directly into vents.
outdoor unit

Monitor System Performance

Paying attention to how your ductless heat pump operates can provide early warning signs of potential issues. Listen for unusual noises such as rattling or hissing, and feel for inconsistent temperatures. If you notice any irregularities, it might be time to call in a professional for a more thorough inspection.

Additionally, regularly check your remote control settings to ensure they are correct and have not been accidentally changed. This simple step can prevent unnecessary energy consumption and maintain optimal comfort levels in your home.

Keep the Indoor Unit Clean

The indoor unit of your ductless heat pump should also be kept clean from dust and debris. Use a soft cloth or a vacuum with a brush attachment to gently clean the exterior surfaces. Avoid using harsh chemicals, as these can damage the finish or internal components.

indoor unit cleaning

Schedule Professional Maintenance

While these DIY tips will help maintain your ductless heat pump between professional cleanings, it’s important to schedule regular maintenance with a qualified technician. A professional can perform a more detailed inspection, cleaning, and tune-up to ensure your system is running at peak performance.

A well-maintained ductless heat pump not only provides efficient heating and cooling but also contributes to improved air quality in your home. By following these tips, you can enjoy comfort and energy savings year-round.