Heat pump replacement means removing an existing outdoor unit, and sometimes the cylinder and controls, and fitting a new heat pump sized and set up for the home as it is now. Air source heat pumps typically last 15–20 years, so systems fitted when the technology was newer to UK homes are reaching the point where repairs become harder to justify.
New outdoor units in County Fermanagh may differ in size from the old one, so the base and position are checked at survey. Homes in County Fermanagh with a heat pump that never kept them warm can have the whole design checked before a new unit is chosen. Every replacement in County Fermanagh starts with a fresh heat loss survey, not just a copy of the old unit's size.
Who it suits
- Oversized systems that short cycle and cost more to run than expected
- Systems that were undersized and struggle in cold weather
- Units that have failed with a major fault, such as a compressor failure
- Older units where parts are becoming hard to source
Grants and rules for heat pumps in Northern Ireland
The Boiler Upgrade Scheme covers England and Wales only, and there is currently no dedicated heat pump grant for homeowners in Northern Ireland. Our quote for a home in County Fermanagh is therefore shown without a grant deduction; if support becomes available we will tell you how it applies.
Heat pump replacement prices in County Fermanagh
These are guide prices including VAT. The rate for your visit in County Fermanagh is confirmed before we book it, and any repair is priced in writing before parts are ordered.
| Work | Installed guide price |
|---|---|
| Replacing an old outdoor unit like-for-like | £5,900–£9,300 |
| Full system replacement, 2–3 bedroom terrace or semi | £10,300–£13,250 |
| Full system replacement, 3 bedroom semi or small detached | £11,750–£15,200 |
| Full system replacement, 4 bedroom detached | £13,700–£17,650 |
Installed, inc VAT. Grant funding rarely applies to replacing a heat pump, so these prices are shown without any deduction; we check eligibility at survey.
Towns we cover in County Fermanagh
We cover 3 towns in County Fermanagh for heat pump replacement. Each links to local guide prices and the grant position for Northern Ireland.
| Town | Postcode district | Nearest town | Midwinter daylight |
|---|---|---|---|
| Enniskillen | BT74 | Irvinestown | 7 h 18 min |
| Irvinestown | BT94 | Enniskillen | 7 h 16 min |
| Lisnaskea | BT92 | Enniskillen | 7 h 19 min |
Heat pump replacement questions
Can I replace just the outdoor unit?
Often, yes, if the rest of the system is sound and correctly designed. The cylinder, controls and radiators can stay where they are compatible with the new unit. Some older cylinders and controllers do not work with a new heat pump, and the survey checks this. If the original design was the problem, replacing only the unit will not fix it.
How long does an air source heat pump last?
Air source heat pumps typically last 15–20 years, depending on the quality of the original design, how hard the unit has worked, where it is sited and how well it has been serviced. Units that short cycle or run at high flow temperatures for years may wear sooner. Annual servicing helps components last and spots problems early.
Can I get a grant to replace my heat pump?
Usually not. In England and Wales, the Boiler Upgrade Scheme cannot normally fund a home that has already been funded for a heat pump, and it is aimed at replacing fossil-fuel or electric heating. Your circumstances may differ, so we check eligibility before quoting. In Scotland, check Home Energy Scotland's criteria. Northern Ireland has no dedicated grant at present.
What happens to my old heat pump?
The old outdoor unit is removed and disposed of responsibly. Its refrigerant is recovered first, which must be done by an F-gas certified engineer, and metals and components are recycled where facilities allow. If the old cylinder or controls are replaced too, they are removed at the same time, and pipework that is no longer needed is capped or taken out.