How to Clean and Maintain Your Air Source Heat Pump
How to Clean and Maintain Your Air Source Heat Pump
Air source heat pumps are a reliable and energy-efficient way to heat homes across the UK. Like any heating system, they perform best when they are properly maintained. The good news is that most basic maintenance tasks are simple and can help keep your system running efficiently for years.
Regular cleaning and maintenance can improve performance, reduce energy bills, and extend the lifespan of your system. Here are some easy steps homeowners can take to keep their air source heat pump in great condition.
Keep the Outdoor Unit Clear
The outdoor unit is the main part of an air source heat pump. It pulls in air to extract heat, so it needs plenty of space and good airflow to work efficiently.
Over time, leaves, dirt, or garden debris can build up around the unit and restrict airflow. To prevent this:
Regularly check around the unit for leaves, branches, or rubbish
Trim back plants or bushes growing nearby
Make sure there is at least half a metre of clear space around the unit
Keeping the area clear allows the system to work efficiently and prevents unnecessary strain on the components.
Gently Clean the Unit
Dirt and dust can accumulate on the exterior of the heat pump over time. Cleaning the unit every few months helps maintain good airflow.
You can do this by:
Turning off the system before cleaning
Using a soft brush or cloth to remove dust and dirt
Gently rinsing the outside with a garden hose if needed
Avoid using pressure washers or harsh chemicals, as these could damage the unit.
Check the Airflow
Proper airflow is essential for efficient performance. If the airflow is restricted, your heat pump may need to work harder to heat your home.
Take a few moments occasionally to check that:
The fan is not blocked by debris
The air vents are clear
There are no objects placed in front of the unit
A quick visual check can help you spot issues early before they affect performance.
Schedule Annual Servicing
While basic cleaning can be done by homeowners, it’s important to arrange a professional service once a year. A qualified technician will inspect the system, check refrigerant levels, test electrical components, and ensure everything is operating safely and efficiently.
Regular servicing can:
Maintain optimal system performance
Identify small issues before they become costly repairs
Extend the lifespan of the heat pump
Most air source heat pumps can last 15–20 years or more when properly maintained.
Keep Your System Running Efficiently
A well-maintained air source heat pump provides reliable, energy-efficient heating all year round. Simple checks, occasional cleaning, and regular professional servicing can make a big difference in how well your system performs.
If you want expert help contact us today to speak with our team to see if you are eligible for a government grant that could help you upgrade your home’s heating system and improve energy efficiency.

