From one workshop in Ammanford, a surprisingly long reach.
Thermal Earth designs, drills and installs heat-pump systems from Capel Hendre in Carmarthenshire — across Wales, into the South West and up through the Marches. 4,000+ systems over 20+ years, and still one team from survey to servicing.
Find your local guide below — and if your area isn't listed, ask us anyway. The map has stretched before.
No EPC? Send an enquiry or call 01269 833100. We can check the evidence needed for your property.
Find the guide for your area.
Each guide covers the local housing, the planning picture and the work we've done nearby.
Wales
Your postcode sets the scene. Your house makes the decision.
The local guides tell you what's typical nearby — but every system we install is designed from your own building's heat loss, radiators, hot water and site.
Air, ground and water source each have their place. The survey settles which one is yours.
The same team, from single homes to whole streets.
Cardiff Living, Brookfield Drive
Five boreholes to 150m serve 13 individually controlled ground-source systems for 13 homes at Brookfield Drive.
Read the Cardiff Living story
Ffos y Broga, Carmarthenshire
A pre-1850 family home taken off oil with an 18kW air-source heat pump and solar PV — original radiators retained.
Read the Ffos y Broga story
Our own drilling rigs
Source-side delivery is in-house: our rigs and crews drill the boreholes our designers specify, wherever the map takes them.
Explore borehole drillingAsk before ruling yourself out.
Send us the postcode and a line about the property or project. We'll tell you straight whether the location, the work and the ongoing support all stack up — before anyone makes promises.
Tell us where the heat-pump journey starts.
Homeowners can start with a free online estimate. Self-build, development, social-housing and commercial teams can send us the site and project stage.