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Green Hat Company (cambridge) Ltd

MCS Certified BUS Registered
6 The Pits, Isleham, Cambridgeshire, CB7 5QS
Air Source specialistBUS grant eligible4 reviewsServes 3 regions

3.0

4 Google reviews

1–2 days

Typical install time

£7,500

BUS grant amount

About Green Hat Company (cambridge) Ltd

Green Hat Company (cambridge) Ltd is an MCS certified air source installer based in Cambridgeshire. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.

System typesAir Source
BUS grant handledYes

Coverage area

Map coming soon

Based in Cambridgeshire, CB7 5QS

Areas served:

LondonEast MidlandsEast of England

Reviews

3.0

4 Google reviews

Based on verified Google reviews

L

Lisa CeeDee

a month ago

We used Green Hat to do a 2 storey extension, and downstairs kitchen conversion. What I can tell you is that every labourer/ contractor that works with Tim is an utter professional and very friendly and any issues and snags were immediately sorted throughout the process which had multiple labourers working with us for a period of around 3.5 years. The job they have done is excellent quality and they individually took care of each of their areas to make sure they understood the requirements and produce great results. I am very happy with the final work - and this is speaking a year after they finished their last touch ups. Tim himself is very professional and did a good job project managing the whole job but we did feel that he possibly takes too many jobs on at a time. There were many gaps of time when we didn't know when they were coming back to finish jobs and we did have to chase sometimes to get updates. I know this is common, and we are quite laid back so it probably worked fine for us. I would use Green hat again and am surprised by the other reviews.

J

Jon Watson

4 months ago

After a detailed email was sent to Green Hat Company explaining the work that needed to be done, they came round promptly to do a survey and promised a quote in the next couple of days. Which was great but then they completely stop responding to communication. If they didn't want the work they could have said based on the original work description and not wasted everyones time on the survey. If they didn't want the work after the survey they could have the decency to at least say so rather than wasting even more of our time trying to chase them up. Avoid.

C

Christopher Parr

3 months ago

They damaged my gutter so in the recent rain I had a waterfall landing outside my front door which is now soaked through and swollen making it difficult to open and close. When I complained I was just given a load of BS. So I repaired it myself then they came back and messed it up again in an attempt to repair it? Very irritating. God knows what the rest of my roof is like that they have interfered with. Don’t let them con you into thinking they know what they’re doing. A complete shower.

n

nordon clementine

a year ago

Tim and his team did a wonderful job with the external wall insulation (EWI) of our house. It is not easy to understand all the options when doing an EWI and Tim was very clear in his explanations and provided good advice. We now have a very warm and energy-efficient home! Thank you Tim, Marius and Carol!

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.

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Verified credentials
NICEIC Approved
BUS Registered
Quick facts
Regions covered3 areas

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

Check your eligibility

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