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AES Contractors Ltd

MCS Certified BUS Registered
Unit 7, Barnwell Business Park, Barnwell Drive, Cambridge, n/a, CB58UX
Air Source specialistBUS grant eligible46 reviewsServes 1 regions

4.9

46 Google reviews

1–2 days

Typical install time

£7,500

BUS grant amount

About AES Contractors Ltd

AES Contractors Ltd is an MCS certified air source installer based in n/a. 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 n/a, CB58UX

Areas served:

East of England

Reviews

4.9

46 Google reviews

Based on verified Google reviews

H

Helen Colyer

a month ago

So pleased I chose AES to have a air source heat pump fitted. Excellent service from the initial assessment for suitability, to the installation. The team who removed my old oil boiler and installed the heat pump, worked quickly and efficiently and were very polite and helpful. It's been a couple of months since the installation and everything is working well. The air source heat pump has kept our home to a comfortable temperature and really needs little attention. I usually turn the thermostat down a couple of degrees overnight and up again in the morning. I would happily recommend AES contractors Ltd to family and friends.

B

Brenda Bol

a month ago

We had an Air Source Heat Pump fitted by AES in October 2021 and it is working efficiently and keeping the house lovely and warm to date. We signed up for their service contract and have had an annual visit to care for it since. The team were experienced and knowledgeable and did the work quietly and cleanly. We also used AES for the installation of Solar Panels and these too were fitted efficiently and quietly. We returned to AES in 2023 for a windows and doors refit and once again an efficient installation which we are very happy with. We have been very pleased with all the services they have provided.

S

Simon Cadman

4 weeks ago

Excellent service from the initial assessment for suitability, to the installation. The team removed the old oil boiler and storage tank, installed the heat pump, and carried out handover to explain how it all works. They sorted out the Govt grant to help out with the costs. The air source heat pump has been working without issue. I would happily recommend AES contractors Ltd to carry out the works.

R

Richard Brocklesby

a month ago

Had solar panels and air source heat pumps installed by AES at the end of last year and beginning of this year. Installation of both systems went well, although it was quite an upheaval. Both Installation teams were very good and friendly and were careful of the house and tidied up well. Both systems working well. Haven't had any sunshine for the solar for a few weeks! Heat pump working well. House never been so warm! Have had to turn it down! Thanks

J

Jon Edney

2 months ago

We are in our second winter with air-source heat pump installed by AES. We have been very happy with the system which is effective and also cheaper to run than our previous gas system. AES is a smaller company and sometimes it felt like they were struggling to stay on top of everything through the installation. However, they really did their best and when the hot water tank sprung a leak after a few months (not their fault) they pulled out all the stops to sort it and replace the tank. So overall we are very happy with the service and can recommend.

Showing 5 of 46 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.

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Verified credentials
NICEIC Approved
BUS Registered
Quick facts
Regions covered1 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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AES Contractors Ltd | MCS Certified Heat Pump Installer in East of England | Heat Pump Installer Directory