Heat pumps in Carmarthenshire — designed and installed from our home in Ammanford.
Carmarthenshire is our home county. From farmhouses in the Towy Valley to coastal homes near Llanelli, we've been replacing oil, LPG and storage heaters here for 20+ years — with our own surveyors, drillers and installers.
It's also one of the most off-gas-grid counties in Wales, which is exactly where heat pumps save the most.
No EPC? Send an enquiry or call 01269 833100. We can check the evidence needed for your property.
4,000+ systems installed 20+ years of heat pumps Since 2006 in Capel Hendre
Our base: Capel Hendre, Ammanford.
Unit 1B, Capel Hendre Industrial Estate, SA18 3SJ — a working workshop rather than a sales office, and you're welcome to visit by arrangement. We're MCS certified for air- and ground-source heat pumps, TrustMark registered and a full member of HPA UK.
An older home moving away from oil.
Ffos y Broga is a traditional Carmarthenshire family home, built before 1850.
We replaced its ageing oil boiler with an 18kW air-source heat pump and solar PV — and the original radiators stayed put. Whether radiators can stay depends on the home; it's one of the first things our survey measures.
Read the Ffos y Broga storyDifferent buildings, different sources — all within one county.
Carmarthenshire has given us some of our most interesting work. Four favourites:
Ffos y Broga: off oil, radiators retained.
An older building and its radiators, assessed together — and kept. Proof that character homes don't need ripping apart for a heat pump.
A lake that heats two homes.
Beside a Carmarthenshire lake, we weighted and floated a closed collector loop to the lake bottom and ran buried pipework to two properties — each with its own MasterTherm AQ17i heat pump and newly designed radiators.
If you have water on your land, it's worth asking. Depth, ecology and access decide whether a lake can genuinely work — some can, some can't.
Read the Lake Collector storyA tired heat pump, replaced and upgraded.
In late 2024 we replaced an older air-source unit with an Ariston Nimbus Pocket 120M, a 200-litre combination cylinder and wireless controls — a straight swap that modernised the whole system, hot water included.
Read the Ariston replacement storyWales's first commercial mine-water heat scheme — on our own doorstep.
Developed near Ammanford by the Mining Remediation Authority in partnership with Thermal Earth, with Innovate UK funding and Welsh Government-commissioned mapping of mine-water opportunities, the Lindsay scheme uses submerged heat exchangers in a mine-water treatment pond to heat an industrial unit and offices at Capel Hendre.
It has been running since March 2025 — and it took our own facility off LPG.
What we look at before recommending anything.
The survey answers these for your home — it's how we make sure the system fits, rather than hoping it does.
- Cold-day heat demand
- Room-by-room heat loss tells us what your home really needs — not what the old boiler happened to be.
- Fabric
- Where insulation or draught-proofing would genuinely help, we'll say so. Where it isn't needed, we'll say that too.
- Radiators and underfloor
- Can your emitters deliver the heat at a lower water temperature? We measure rather than guess.
- Air-source siting
- Where the unit sits — airflow, sound, boundaries and easy servicing.
- Ground or water source
- Usable land, drilling access, and whether a lake or stream could genuinely work.
- Hot water and plant
- Cylinder space, hot-water habits and room to maintain everything.
- Electrics and controls
- Supply capacity, zoning and how your household actually uses heat.
- Running costs
- A realistic comparison against the fuel you're leaving — for your house, not an average.
Carmarthenshire's own plan points to heat pumps.
The county's energy plan expects gas and oil boilers to give way progressively to low-carbon heating — with air-source heat pumps modelled as the most widely suitable route — alongside better insulation.
Read the Carmarthenshire Energy PlanYour home still sets the brief.
Plans set the direction; your survey sets the design. Every system we install starts with the building in front of us.
Grant help, handled with you.
You may qualify for the Boiler Upgrade Scheme — and we handle the application. Green Homes Wales advice and interest-free finance can also help.
Eligible air-to-water or ground-source heat pump installations receive £7,500. If your property has no mains gas connection and you are replacing oil or LPG heating, the grant is £9,000 for applications properly made from 21 July 2026 to 31 March 2027. We check eligibility for your home.
Planning, checked for your project.
Most installations fall under permitted development. Listed buildings, conservation areas and specific siting rules can change that — so we check the planning position for every job.
Read Welsh Government planning guidanceThe whole county — it's home.
Carmarthen town, Llanelli, Ammanford, Llandeilo, Kidwelly, Burry Port, Cross Hands, Newcastle Emlyn, Whitland, St Clears, Laugharne — and every farm, cottage and country house in between.
Many of the properties we work on here have no mains gas at all, and those are the homes where a heat pump changes the bills most. See everywhere we work.
Planning a heat pump in Carmarthenshire?
You're on our home turf. Start with a free online estimate — or send us the site and project stage if you're planning something bigger.