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WDS Green Energy Ltd

MCS Certified BUS Registered
12 Cathedral Road, Pontcanna, Cardiff, South Glamorgan, CF11 9LJ
Air Source specialistBUS grant eligible37 reviewsServes 3 regions

4.9

37 Google reviews

1–2 days

Typical install time

£7,500

BUS grant amount

About WDS Green Energy Ltd

WDS Green Energy Ltd is an MCS certified air source installer based in South Glamorgan. 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 South Glamorgan, CF11 9LJ

Areas served:

West MidlandsSouth WestWales

Reviews

4.9

37 Google reviews

Based on verified Google reviews

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Steve Ades

3 months ago

We had a heat pump installed by WDS in the summer of 2025. We now have a lovely cosy home that doesn't cost the earth to heat. WDS took a significant amount of time to survey our house (early 1900 barn conversion) to perform heat loss and radiator sizing calculations to ensure positive outcomes. Since installed in summer they came back out in the winter to optimise and explain how to run efficiently. They are a very professional and highly skilled firm that I highly recommend.

A

Alan Heatley

4 months ago

WDS Green Energy have been a brilliant company to deal with .Geyn their projects manager is a real star.We had an ASHP installed around 15 months ago. The process coordinated by Gwyn went brilliantly, including under floor heating. I had a problem of my own making a little while ago and WDS were still as committed to superb customer service 15 months on , solving rhe problemfor me quicklyand efficiently.I wouldnt hesitate to recommend them.

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Connor Williams

7 months ago

I would highly recommend WDS Green Energy! I recently had an air source heat pump installed by WDS Green Energy, and I couldn’t be happier with the entire experience. From the very first consultation with Jim to the final installation, the team was professional, knowledgeable, and a pleasure to work with. Jim took the time to explain the system in detail, answered all my questions, and tailored the installation to suit my home’s needs. The installation by Dean and Adam was thorough and efficient. All work was completed to a neat and excellent standard - there was a high attention to detail at every level. Lewis, who project managed our install, was always available to answer questions and was accommodating with the timeframe and factors beyond our control, as we were fully renovating. I would absolutely recommend WDS Green Energy to anyone considering a renewable heating system. Jim, Dean, Adam and Lewis really know their stuff, and WDS delivered excellent service from start to finish!

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Neil Williams

2 years ago

"I would highly recommend using WDS Green Energy for your project having just used their services for the supply and installation of an air source heat pump to replace our aging gas condensing boiler. From the first telephone enquiry, I found the staff to be polite, professional and patient as I had a lot of questions. Nothing was too much trouble and all the staff were prepared to address my concerns and listen to my requirements. Their engineers conducted a very comprehensive survey of our property in order to complete the heat loss calculations for every room and the building in general.. Once the survey was completed, I received a detailed quotation itemising the equipment recommended following further discussions around the various options put forward. A date for the installation was agreed and all the components arrived a few days before - all on time The installation was completed over a period of 6 days by two of their staff who once again were very professional and courteous.The quality of their work was outstanding with every component and connecting pipework installed with real precision. I'm very fussy and demand high standards of workmanship, but nothing phased their technicians - their standards were as high as mine! They were also very flexible - for example being asked to relocate a component to make access to the loft hatch easier. A week or so after the installation was completed, WDS sent their commissioning engineer to tweak the final settings to enable the system to work as efficiently as possible in our property. As a result, my wife and I are very happy with how the system is performing.Our home is warm and the system is working efficiently which reflects all the research and groundwork undertaken by WDS prior to the installation. If you want to waste money on a heat pump, use a company or individual who supplies a poorly specified system that's badly installed. On the other hand, if you want to have comfortable heating with plenty of hot water - even when the weather is very cold which costs no more to run than a gas central heating system, consider using WDS Green Energy Ltd. You won't regret your decision if our experience is repeated."

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Paul Sheffield

2 years ago

WDS Greenenergy designed, supplied and installed a new GSHP in my property last year. From the outset they have been very professional and efficient. The installation went very smoothly, the commissioning and handover was great, the help to obtain grant funding was useful and the offer to sign up for ongoing maintenance checks and servicing has been an added bonus in terms of "peace of mind". I would recommend the whole team very highly.

Showing 5 of 37 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
NAPIT Registered
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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