Air source heat pumps are known for their reliability and efficiency – but like any heating system, they can develop faults over time. The key is spotting the warning signs early and calling in a qualified engineer before small problems turn into costly repairs.
At NCC South East, we provide fast, local heat pump repairs in Bromley and across the South East. Here are the top five signs that your system may need attention.
1. Your Heat Pump Isn’t Heating Properly
If your home feels colder than usual or the system is blowing lukewarm air, it could be a sign of:
- Low refrigerant levels
- A faulty compressor
- Issues with the heat exchanger
These problems can reduce efficiency and increase running costs. Our Bromley heat pump engineers can quickly diagnose and fix the issue.
2. Unusual Noises from the Outdoor Unit
A healthy heat pump should run quietly. If you hear grinding, rattling, or loud humming, this may point to:
- Loose or damaged fan blades
- Electrical faults
- Debris obis structing the outdoor unit
Leaving these noises unchecked can lead to breakdowns – and bigger repair bills.
3. Ice or Frost Building Up
It’s normal for a small amount of frost to form on your heat pump in winter, but heavy ice build-up is a red flag. Causes can include:
- Defrost cycle failure
- Blocked airflow
- Refrigerant leaks
If you notice excess ice, it’s time to book a repair.
4. Higher Energy Bills
One of the main benefits of heat pumps is efficiency – so if your energy bills are climbing unexpectedly, your system could be working harder than it should. This may mean:
- The pump is losing efficiency due to a component fault
- A service is overdue
- There’s a refrigerant or airflow problem
An annual service helps prevent these issues. Find out more about our heat pump servicing in Bromley.
5. Error Codes on Your Control Panel
Most modern systems (Mitsubishi, Samsung, Panasonic, Grant, etc.) display error codes when a fault is detected. These codes can indicate anything from a simple sensor issue to a more complex electrical fault.
If you see an error code, don’t ignore it – call a local MCS-accredited installer like NCC South East to investigate.
Why Choose NCC for Heat Pump Repairs in Bromley?
- Local specialists – based near Bromley and Chislehurst.
- Fast response times – urgent repair service available.
- Trusted brands – we repair Mitsubishi, Panasonic, Samsung, Grant, and Midea.
- Accredited engineers – MCS-certified and BUS grant approved.
Book a Repair with NCC South East
Don’t let a small fault turn into a major breakdown. If you’ve spotted any of these signs, our engineers are here to help.
Contact us today for fast, reliable air source heat pump repairs in Bromley and the surrounding area – and keep your home warm all year round.
