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Dartmoor Energy is an award-winning renewable energy and retrofit specialist helping homeowners, businesses, and organisations across the South West transition to a more energy-efficient and sustainable future. Based in Callington on the Devon and Cornwall border, our experienced team provides expert surveys, bespoke system designs, and trusted installation partnerships across the region. Founded in 2018 by renewable energy consultant Dan Kelly, Dartmoor Energy was created with a clear mission: to provide a transparent, no-pressure service that helps people reduce their reliance on fossil fuels, lower energy bills, and move towards energy independence. Today, our team brings together decades of combined experience across the renewable energy, retrofit, and construction industries. We work with carefully selected local and national installation partners to deliver high-quality solutions tailored to every property.
Verenigd Koninkrijk
4,3
11 reviews
Heeft 100% van zijn negatieve reviews beantwoord
Reageert doorgaans pas na meer dan 1 maand
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Communication through every step of the way was excellent. Any issues or changes were notified straight away. Cannot fault them. Recommend
Antwoord van Dartmoor Energy Ltd
Thank you for your review!
Great service
Answered our request for an air test straight away.
Carried out the test in a very friendly and efficient manner.
We would recommend them every time.
Antwoord van Dartmoor Energy Ltd
Thank you for your review Leighton. We appreciate your patience and understanding whilst we were working through a busy period.
Antwoord van Dartmoor Energy Ltd
Thank you for your review Ruth!
Our installation was a long time in the planning for a couple of reasons. Firstly we are in a national park so there were restrictions on how we could set up. Secondly, we regularly came back to James at Dartmoor Energy with questions and clarifications. During all this time he was patient, responsive and knowledgeable. The resulting installation, solar array, air source heat pump and radiators was first class. It works exactly how James said it would; keeping the house comfortably warm with constant hot water. In the two weeks it’s been in, we’ve been completely energy self sufficient. We would recommend Dartmoor Energy and James in particular , without reservation.
Antwoord van Dartmoor Energy Ltd
Thank you for your review Gary! It's been a pleasure working with you and Fiona, and I'm glad you were finally able to get the result you were looking for (plus a new outbuilding!). I'm confident with the solar PV and air source heat pump system you've had installed, you'll be self sufficient for most of the year!
I have been very impressed by Dartmoor Energy. They have responded quickly to my enquiries and have provided much needed expect advice on the best way forward to make my home more energy efficient using renewable energy sources. Jay has been a great source of knowledge and experience and a pleasure to work with. Thank you.
Antwoord van Dartmoor Energy Ltd
Thank you for the review Jenny! We're glad our report and consultancy was helpful to you. We're looking forward to seeing your project develop and will be on hand to provide further advice where needed.
The provision of solar panels was a surprisingly pleasant experience from start to finish. Everybody I met or spoke to from Dartmoor Energy was polite, knowledgeable, helpful and proactive. And, non-judgemental.
Communication was easy and responsive. The installation of the solar panels and inverter was swift, and Jordan was non-invasive, polite, knowledgeable and tidy in his work.
All in all, this was a perfect example of positive interaction with service recipients.
Antwoord van Dartmoor Energy Ltd
Thank you so much for taking the time to leave a review! We're glad to hear everything went well and you were happy with the service provided.
Dartmoor energy did an accurate Heat Loss survey and calculated that we could have a heat pump with micro bore pipes if we replaced two radiators. Also we only needed a 5 kW heat pump not 7 kW which had previously been recommended
This has proved to be the case and the system works well
Antwoord van Dartmoor Energy Ltd
Thank you for leaving a review Dave. We're glad we were able to prove to you that with in-depth heat loss calculations, an air tightness test and the correct design work being complete at your property, the existing microbore pipework would be able to sufficiently heat your property all year round!
prompt, polite telephone service, seamless switching processes, and proactive issue resolution. Strongly recommended
Antwoord van Dartmoor Energy Ltd
Thank you so much for taking the time to leave us a review! We're glad you were happy with our service :)
I contacted Dartmoor Energy Ltd to explore alternatives to heating oil, and I’ve been very impressed with their response. They took the time to understand my Grade 2 listed property and provided a Heat Loss Report and a range of well-considered options rather than pushing a single solution. The advice felt balanced and honest, practical, and tailored to my situation, which is exactly what you want when navigating the transition away from oil heating.
If you’re considering moving away from heating oil and want informed, impartial guidance, I’d definitely recommend Dartmoor Energy Ltd.
Antwoord van Dartmoor Energy Ltd
We're so glad our report and following advice was helpful to you on your journey to decarbonise your listed property! Thank you for taking the time to leave us a review :)
We have received advice and EPC certification from Charlotte Wonnacott of Dartmoor Energy. She is exceptional in terms of knowledge, up to date information, objectivity, and professionalism. Thank you to Charlotte and Dartmoor Energy. Sally Jackson
Antwoord van Dartmoor Energy Ltd
Thank you so much for your review Sally - It's greatly appreciated.
I really don’t like leaving negative reviews but I was let down by this company and given there is so much hype at the moment about energy company scams I thought it was important to warn others especially as it’s often older folks like me who get lead on.
Be wary when using this company. I was badly let down after having a survey down by Mark Watling - the Head of Retrofit Assessments- in March 2025 who visited on two occasions, did all the paperwork and reassured me that I was an ideal candidate for a retrofit of a heat pump and solar panels with a full grant due to my health conditions and age (62). He checked my cavity walls and again reassured me that everything was in order. I waited and waited, he kept reassuring me that everything was fine and the funders were slow. Then 6 months later I have just been told he’s left the company and that I was NEVER a candidate for the grant as my property has cavity walls which their head assessor knew and actually checked! I’ve been strung along all this time and all I got from his replacement Max Roper, the Retro Fit Director, was an off hand apology in an email telling me Mark Watling had left the company.
I was initially reassured by the reviews on Google and the apparent award winning credentials of this company but sadly I was duped. Fortunately I wasn’t left out of pocket but I have wasted months (I contacted them in the Spring so it would be done by the winter) when I could have been looking for other alternatives and now there is little time before the winter sets in.
So be wary and do your homework and don’t trust this company too easily. If you are reading this I hope you have a better experience than me.
Antwoord van Dartmoor Energy Ltd
Please see our 99% 5* Google Reviews for a true representation of our business - https://share.google/tpTz4UpBTM8UOH0hI
The below reply was left in response to the same review on Google.
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We’re very sorry to hear that you’ve had a disappointing experience and appreciate the opportunity to clarify what happened.
You were originally working with a former employee who was still part of our team at the time. After he left the company, you contacted us to follow up on your application, and this was the first time we became aware that you were still waiting for your grant to progress. We immediately reviewed your case and followed our normal verification process, which unfortunately confirmed that your property was not financially viable under the relevant scheme, with our level of funding.
We completely understand how frustrating this must have been after waiting several months, and we apologise that this wasn’t communicated to you sooner. The team member who relayed this information to you was unaware of how long you had been waiting and may not have delivered the news as sensitively as we would have liked.
Once our Director became aware of your concerns, he contacted you directly to:
• Listen to your experience in full;
• Explain how the grant funding process works and how eligibility is determined;
• Clarify why, in this instance, your property could not be supported under the scheme;
• Provide details of potential alternative support routes; and
• Offer private installation quotes from our trusted installer network.
For clarity, Dartmoor Energy does not determine how much funding a property receives — this is dictated by Ofgem, energy suppliers, and intermediary funders under national energy efficiency schemes.
Finally, we’d like to note that no work was ever undertaken by Dartmoor Energy at your property. While we regret that your experience was disappointing, we’re proud that every other review we’ve received has been 5 stars — reflecting our commitment to honesty, professionalism, and high-quality service.
We wish you all the best with your property improvements and are genuinely sorry that your experience did not reflect our usual standards.
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