Typical repairs fall within a guide range of £90–£1,100, including VAT, depending on the part and the time involved. Refrigerant repairs must be done by an F-gas certified engineer. Regular heat pump servicing catches many of these faults before they stop the system working.
For repeated faults in County Tyrone, the engineer looks at the system design as well as the failed part. We repair heat pumps in County Tyrone whoever installed them, including older monobloc and split systems. Outdoor units in exposed spots around County Tyrone can ice more heavily, so siting is checked as part of any icing fault.
Who it suits
- Systems losing pressure or needing frequent topping up
- Heat pumps installed by another company that need a second opinion
- Heat pumps showing an error code or fault light
- Rooms or hot water not getting warm enough
Grants and rules for heat pumps in Northern Ireland
Northern Ireland does not have a dedicated heat pump grant for homeowners at present, and the Boiler Upgrade Scheme does not apply here. Heat pumps have sometimes been funded through the Northern Ireland Sustainable Energy Programme, so it is worth checking what is open when you enquire about a home in County Tyrone.
Heat pump repairs prices in County Tyrone
Guide prices for County Tyrone, including VAT. We agree the visit rate before anyone attends, so there are no surprises on the day.
| Repair | Guide price |
|---|---|
| Fault-finding visit and diagnosis | £90–£170 |
| Sensor or thermistor replacement | £120–£270 |
| Expansion vessel or pressure relief valve | £150–£340 |
| Circulating pump replacement | £240–£470 |
| Fan motor replacement | £290–£630 |
| Refrigerant leak repair and re-gas (split systems) | £340–£920 |
| Main control board (PCB) replacement | £440–£1,050 |
Inc VAT. The fault-finding rate is agreed before we attend; repairs are priced in writing before parts are ordered.
Towns we cover in County Tyrone
We cover 6 towns in County Tyrone for heat pump repairs. Each links to local guide prices and the grant position for Northern Ireland.
| Town | Postcode district | Nearest town | Midwinter daylight |
|---|---|---|---|
| Omagh | BT78 | Fivemiletown | 7 h 15 min |
| Coalisland | BT71 | Dungannon | 7 h 16 min |
| Cookstown | BT80 | Coalisland | 7 h 14 min |
| Dungannon | BT71 | Coalisland | 7 h 16 min |
| Fivemiletown | BT75 | Lisnaskea | 7 h 18 min |
| Strabane | BT82 | Derry/Londonderry | 7 h 12 min |
Heat pump repairs questions
Is ice on my heat pump a fault?
Some frost on the outdoor unit in cold, damp weather is normal, and the unit clears it with regular defrost cycles, often releasing a little vapour. It becomes a fault when thick ice builds up and does not clear, or when ice blocks the fan. That can point to poor airflow, a failed sensor, drainage problems or low refrigerant, and needs checking.
Why does my heat pump keep switching on and off?
Frequent starting and stopping, called short cycling, is usually caused by an oversized heat pump, low water flow, too many zones closing at once or controls set with too narrow a range. It reduces efficiency and wears components. An engineer can check the settings, flow rates and design, and can often improve it with control changes before any parts are needed.
Why is my heat pump showing an error code?
An error code is the heat pump's way of reporting a problem it has detected, such as low water flow, a sensor reading out of range or a communication fault between units. Note the code and check the manual, as some codes clear after a simple reset or pressure top-up. If it returns, an engineer can trace the underlying cause.
How much does a heat pump repair cost?
Heat pump repairs have a typical range of £90–£1,100, including VAT, depending on the part and labour involved. Sensor replacements sit at the lower end, while control boards and refrigerant repairs on split systems sit higher. Every repair starts with a fault-finding visit, with a guide price of £90–£180 for the first hour, and the repair is priced before work goes ahead.

