Cut your heating bills by up to 40% with a heat pump installed properly across the South East, East Anglia and beyond
✓ MCS Certified Installers
🌿 Up to £9,000 Grant Support
🛠 2-Year Workmanship Guarantee
From a free check to a warmer home, in three steps
Free Suitability Check
A 2-minute online check tells you whether your home qualifies and roughly what you could save.
Design, Quote & Grant Application
We design the system around your home and handle the government grant paperwork for you.
AIR CONDITIONING INSTALLS · MAINTENANCE PLANS · GOVERNMENT GRANT SUPPORT · AIR SOURCE HEAT PUMPS · GROUND SOURCE HEAT PUMPS · SYSTEM SERVICING ·
MCS
CERTIFIED INSTALLERS
UP T0 9K
GRANT SUPPORT AVAILABLE
2 YR
WORKMANSHIP GUARANTEE
2 MIN
FREE SUITABILITY CHECK
A warmer home should not feel complicated
Rising energy bills and ageing heating systems leave plenty of homeowners stuck between patching things up and making a smarter long-term move. Terra Therma Renewables Limited has spent over 25 years helping people make that move with clear advice, careful design, and proper aftercare that does not vanish once the installation is done. Whether you're looking for heat pump installations, heat pump servicing and maintenance, or air conditioning, our experienced team provides tailored solutions to suit your property and budget.
What makes us different
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Guidance on available grants and funding to help make renewable heating more affordable
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Trusted support for customers across the South East, East Anglia and beyond
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Local expertise backed by dedicated customer care and proven results
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Explore our service areas to see where we work
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Read case studies and testimonials from previous customers
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Find answers in our FAQs
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Visit our blog and resources for practical renewable heating advice and insights
What we offer
The benefits of switching to renewable heating
Heat pumps use electricity to move existing heat rather than burning fuel to create it, making them an energy-efficient alternative to traditional heating systems. They can significantly reduce heating costs compared to oil or older gas systems while lowering carbon emissions and improving your home's EPC rating.
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Up to 40% lower running costs compared to oil heating
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Improves EPC rating and can increase home value
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Government grant support is handled for you
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Quiet operation with minimal maintenance
Why do people feel confident choosing us
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Over 25 years of practical experience
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MCS-certified installation standards
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Grant support is handled for you
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Clear reports with photographs
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Lower bills with lower carbon
What customers say - Trusted across East Anglia and beyond
So pleased with the way Terra Therma Renewables came and fitted my underfloor heating in my conservatory, the staff was friendly and efficient. The conservatory now is lovely and warm in the winter months, highly recommend this company. It’s always hard to find reliable workers, so grateful for this experience I had with you. Thank you Mark and team
We just had an ASHP and underfloor heating system installed by TT Renew and the experience was brilliant. Mark is an absolute legend—he took care of everything from the initial chat to getting it all up and running. The lads were super efficient, did a really high-quality job, and cleaned up so well you wouldn't even know they'd been there. I’m super happy with the install and honestly can’t fault them. Great company!
Three reasons homeowners choose us
MCS Certified
Fully certified installers, meeting the standard required for grant eligibility.
Grant Support Handled
We manage the government grant application on your behalf, from start to finish.
Workmanship Guarantee
Every installation is backed by a 2-year guarantee on workmanship.