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Claim this listingCarbon3 Ltd
4.4
7 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
About Carbon3 Ltd
Carbon3 Ltd is an MCS certified air source installer based in Kent. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Coverage area
Based in Kent, TN15 7RJ
Areas served:
Reviews
4.4
7 Google reviews
Based on verified Google reviews
John Gilbert
I used Carbon3 to install upon my domestic property in December 2022 and the Solar PV system has transformed my utility bills. In fact, my export so far this year has exceeded my grid usage. The Smart Export Guarantee has paid for my electricity bill and more than 3/4 of my total gas consumption this year. I would highly recommend using Carbon3 as a provider of low carbon technologies. I found their service levels first class and particularly found their EV team both very knowledgeable and helpful with their advice.
Motorcycle Adventures Life
Don't waste your time with this people. Installed 5 electric car chargers outside our block of flats and all 5 are out of order for months, they are aware of the problems yet no one fixes anything. In fact they even stopped responding to the emails. Absolutely disgraceful company. AVOID like a plague! Update October 2023: Another 3 months have passed and all 5 charges still broken. Carbon3 reached out to me to remove my review as it may be detrimental to their business, yet had no time to fix the chargers. BAD is an understatement. Not only I will NOT remove this review, I will keep updating this review as long as it is needed to get it fixed. Update November 2023: All chargers still broken. Update December 2023: One charger works occasionally Update January 2024: Still no change, 4 chargers out of order, one charger works intermittently. Update February 2024: No change, chargers still broken 👎 Update March 2024: No change, chargers still broken 😒 Update April 2024 All chargers still broken Update May 2024 All charger still broken, what a joke of a company Update June 2024 Chargers broken, no change. Safe to say it's a company to AVOID! I'm tired of updating this review as we are getting nowhere, save yourself a headache and look elsewhere...
Dave Priaulx
olly patton (ollypattonn)
Harriet Finn
Showing 5 of 7 reviews. View all on Google
Frequently asked questions
How do I know you’re properly qualified and certified to install heat pumps?
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).
Can you tell me if a heat pump is actually suitable for my home?
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.
What type and size of heat pump will you recommend for my property, and why?
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.
What will the full installation cost be, and what’s included in your quote?
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.
Can you help me access government grants like the Boiler Upgrade Scheme?
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.
How much disruption should I expect during installation, and how long does it take?
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.
Will I need to replace my radiators or upgrade anything else in my home?
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.
How noisy is the outdoor unit and where will it be installed?
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.
What warranties, servicing and aftercare do you provide?
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.
What running costs and savings can I realistically expect compared to my current boiler?
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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