How often you need a heat pump service depends on how much you use the unit, the environment it runs in and the manufacturer’s recommendations. Regular cleaning at home helps keep air flowing and the system performing well. Professional servicing goes further, picking up wear and early faults that aren’t obvious day to day.
Below, we explain how often to book a service, what you can do yourself and the signs your heat pump needs attention.
How often do you need to service a heat pump?
For most homes, a professional service once a year is a sensible starting point. However, the right timing depends on how you use the system.
- Heavy use. If the heat pump runs most days through winter and again in summer for cooling, an annual service keeps it in good shape.
- Dusty or coastal homes. Dust, pet hair, cooking fumes and salt air all build up faster. As a result, these homes may need more frequent attention.
- Light use. A unit in a spare room or holiday home may need servicing less often. Even so, it still benefits from a regular check.
- Warranty conditions. Some manufacturers set servicing requirements as part of their warranty. Check your manual or warranty paperwork so you don’t miss them.
The best time to book is usually late summer or autumn, before you rely on the unit through the colder months.
What can you do between services?
Some simple jobs help your heat pump run well between professional visits. For example, you can clean the indoor unit’s filters regularly, especially during winter. Most filters slide out easily and only need a gentle vacuum or rinse. Your manual will tell you how often to do this for your model.
Outside, keep the outdoor unit clear of leaves, plants and garden clutter. Air needs to move freely around it, so avoid stacking anything against it or covering it.
What happens during the service?
A professional service covers the parts you can’t safely reach yourself. Although every installer works a little differently, a typical service includes:
- Cleaning the filters, coil and fan in the indoor unit
- Checking and clearing the condensate drain
- Inspecting the outdoor unit and clearing debris from the coil
- Checking electrical connections and wiring for wear
- Testing heating and cooling performance and airflow
- Checking the remote and controls work properly
During the visit, your technician can also spot small problems early. That means a worn part or loose connection gets fixed before it turns into a breakdown in the middle of winter.
Signs your heat pump needs attention
Some warning signs mean you shouldn’t wait for the next scheduled service. Book a check if you notice:
- Weak airflow or rooms taking longer to warm up
- Musty or unusual smells when the unit starts
- Water dripping from the indoor unit
- New rattling, buzzing or grinding noises
- Higher power bills without any change in how you use it
- Error codes or lights flashing on the indoor unit
In many cases, these issues come from a blocked filter or drain. In others, they point to a developing fault that needs professional repair.
When should you book a heat pump service?
If you can’t remember when your unit was last serviced, it is probably due. Likewise, if you have just bought a home with an existing heat pump, a service gives you a clear picture of its condition.
At GoFox, each franchise is locally owned and operated. That means you get a team that knows your area and the conditions your system deals with, from coastal salt air to frosty inland winters. In addition, our technicians can check the electrical side of the system at the same visit.
You can find out more about our heat pump and air conditioning servicing, or see the electrical work our local teams can help with.
Common questions about heat pump servicing
Can I service my heat pump myself? You can clean the filters and keep the outdoor unit clear. However, leave the coil, fan, drain and electrical checks to a professional.
How often should I clean my heat pump filters? That depends on your model and how much you use it. Check your manual, and clean filters more often in winter or if you have pets.
Does servicing lower running costs? It can help. A clean, well-maintained system doesn’t have to work as hard to heat or cool a room, which can reduce wasted energy.
How long does a heat pump service take? A standard service for a single high-wall unit usually takes around an hour. Multi-split and ducted systems take longer because there are more units to check.
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