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Claim this listing4.4
314 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
Carbon Rewind Ltd is an MCS certified air source installer based in Hertfordshire. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Based in Hertfordshire, WD24 4YW
Areas served:
4.4
314 Google reviews
Based on verified Google reviews
Mrs Burgess
Yesterday we had Liam from Carbon Rewind to replace our extractor fans. He was very polite and patient and worked so hard on our solid 1930s bricks which are notoriously difficult to drill into. Liam stayed until the job was completed and made sure he tidied up after himself. He explained everything as he went along and taught us how to operate the new switches. He was so professional and pleasant to have in the home, we were really impressed with Liam. Well done Liam!
Deborah King
I can not praise the service I have received from Carbon Rewind enough. They have been excellent from start to finish. The installation by the electrician Liam was excellent he was very respectfull and cleaned up behind himself. The new storage heaters are brilliant I am very happy with them.
Gary Russell
Carbon Rewind did an excellent job with the installation of my Solar Together Solar PV System with EV Charger, So no hesitation in awarding 5 Stars. All 4 steps of Scaffolding, Equipment Delivery, Panel Installation and Electrical connection were completed in an efficient, professional manner as scheduled by the excellent, friendly Eleasha in their office working around my availability and providing outstanding customer support. I was especially impressed with Gentian my Electrical Engineer. Having discussed & listened to my requirements, He found solutions for equipment location and wiring in an elegant and neat manner working extremely hard to finish in a day including taking the time to setup and explain the Solis App. Thank You.
tony conroy
Absolutely shocking from start to finish. Failed to turn up for multiple appointments for the install, it was eventually rushed through by one worker who was going on holiday the next day. Result? Multiple broken slates, slates not fastened onto the roof, gaps between slates and multiple leaks. Contacted them and they were'nt interested. Beware Carbon Rewind in Cornwall.
Jack Bloomfield
Everyone carried out outstanding work, especially Kelsey. Very impressive work and incredible customer service skills. If Carbon Rewind has more staff like her, then they will be very successful! Thank you! 🙌
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We are MCS‑certified and registered with an approved consumer protection/competent person scheme, which is essential for quality assurance and to access grants like the Boiler Upgrade Scheme (BUS).
We carry out a detailed home assessment, including property type, insulation levels, existing heating system and available outdoor space, to confirm whether a heat pump is a good fit.
We design the system using a heat‑loss calculation for your home, then match the correct kW size and model (for example, air‑source vs ground‑source) so it runs efficiently and reliably.
Our fixed quote clearly lists the heat pump, cylinder, controls, labour, scaffolding (if needed), electrical work and any radiator or pipework upgrades, so you know exactly what you’re paying for.
Yes, as an MCS installer we can confirm your eligibility, apply for the BUS grant (worth up to £7,500) on your behalf and deduct it directly from your quote.
A typical air‑source heat pump installation takes around 2–5 days, and we’ll agree locations for the indoor and outdoor units, manage any planning considerations and keep you informed each day.
After the heat‑loss survey, we’ll advise if any radiators, pipework, electrics or hot‑water cylinder need upgrading so the system can run efficiently at lower flow temperatures.
Modern heat pumps are designed to be quiet and must meet UK noise regulations; we’ll position the unit to minimise any impact on you and your neighbours and comply with local planning rules.
You’ll get manufacturer warranties on the heat pump plus our workmanship guarantee, and we offer ongoing servicing and support to keep your system performing at its best.
We’ll estimate your likely annual running costs and potential savings based on your current fuel type, insulation level and tariffs, using real‑world performance data rather than lab figures.
Boiler Upgrade Scheme
Up to £7,500
off your heat pump installation
This installer handles the full BUS grant application — deducted directly from your quote. No upfront payment needed for the grant amount.
Scheme open until 2028 — limited funding available
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