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Claim this listingGreenstar Energy Limited
3.6
5 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
About Greenstar Energy Limited
Greenstar Energy Limited is an MCS certified air source installer based in Norfolk. 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 Norfolk, NR9 4FE
Areas served:
Reviews
3.6
5 Google reviews
Based on verified Google reviews
Mark Olding
I had an issue with my heat pump which caused me to have no heating three days before Christmas, after contacting Greenstar and after a few discussions with the engineer it turned out to be a relatively simple issue to resolve, which I could do myself. Giles saved me a considerable amount of money as I was trying to get an engineer from other companies to visit, impossible over the Xmas period. Excellent advice, excellent customer care.
Frank Connor
Giles was professional, knowledgeable,polite & a very good tradesman. He has completed 2 jobs for me one a service on my heat pump & the replacement of my defective solar panel inverter. The prices quoted were fair & both jobs carried out within time. I have already booked Greenstar energy to service my heat pump this December.
Robert Warwicker
I can’t comment on the quality of their work, but they appeared to have little respect for my time as they cancelled the appointment to service my heat pump system twice in a row, both times on the day they were due to attend. I know this seems to be the norm these days but I couldn’t risk another wasted day so the search for a heat pump engineer continues…
Paul Bush
Work carried out was disappointing, unable to fix problem had to use another contractor complete. Kept removed parts & would not return them. Difficult to contact, does not communicate
Jenny Clarke
Solar Panel installation and servicing our Air Source heating system.
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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