Renewable heating, done properly

Cleaner Heat from the Ground Up.

Ground, air and water source heat pumps, designed, drilled and installed by our own teams. Start with a free home estimate or choose your route below.

Get a free estimate

No EPC? Send an enquiry or call 01269 833100.

Homeowners

A warmer home, potential bill savings and grant guidance. Explore estimates, systems and advice.

Explore homeowners

Trade & installers

Stock, training and design support. Open a trade account and order parts.

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Developers

Feasibility to handover for new build, housing and multi-property developments.

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Commercial systems

Heating, cooling and heat recovery for complex buildings and industrial sites.

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4,000+

Systems installed

In-house

Design, drilling & installation

Heat-pump technologies

MCS

Certified throughout

Accreditations & memberships

Thermal Earth drilling equipment on site

Why Thermal Earth

One team, from first design to lifetime support.

For 20+ years, Thermal Earth has designed and delivered renewable-heating systems with our own system designers, borehole drilling rigs and installation crews.

Our joined-up team can support feasibility, product supply, installation, commissioning and ongoing service. Lifetime support is available for customers who choose to use us.

Discuss your project

Heating solutions

Find the right system route.

Shared ground loops

Explore shared-loop systems for multi-property schemes.

Project stories

Proven in homes, developments and landmark projects.

All success stories

From oil to low-carbon heat

An 18kW air source heat pump and solar PV replaced oil heating at this pre-1850 home while retaining its radiators.

View Ffos y Broga

Cardiff Living shared ground loop project

Shared ground, individual control

Five 150m boreholes serve 13 individually controlled ground source heat pumps across this Cardiff housing scheme.

View Cardiff Living

Geothermal heat for a national landmark

Six heat pumps draw on a 410m geothermal well to maintain the Grade II-listed lido's geothermal pool at 28 to 30 degrees Celsius.

View Jubilee Pool

Funding for eligible homes

Up to £9,000 towards an eligible heat pump.

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.

View scheme information Get a free estimate

Visit our showroom

See a heat pump system. Talk through your plans.

Book a demonstration appointment at our showroom in Capel Hendre, near Ammanford. Meet the team and ask the questions that matter for your home or project.

Book a showroom visit Talk to us first

Find us

Thermal Earth showroom

Unit 1B Capel Hendre Industrial Estate
Ammanford
SA18 3SJ

Choose your visit date and time through our online booking page.

Ready to explore a heat pump?

Start with an online estimate, or contact Thermal Earth to discuss your home or project.

Get a free estimate Contact us