Diamond Green Energy Ltd Reviews 

2,702
TrustScore 5 out of 5

4.9

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Review summary

Created with AI, based on recent reviews

Looking at 337 reviews, reviewers overwhelmingly had a great experience with this company. Customers frequently praise the professional and knowledgeable engineers who always arrive promptly, respect people's homes, and complete solar and boiler installations smoothly from start to finish. Consumer feedback focuses on the exceptionally helpful support team, emphasizing that staff members are polite, responsive, and always ready to explain every technical detail clearly. Some reviewers were not happy with specific aspects of the service, mentioning poor aftercare support or unexpected technical problems with heating systems following maintenance visits. People also mentioned encountering frustrating situations where responses to post-service complications fell short of expectations and left them seeking alternatives.

What people talk about most

Service

Reviewers mention positive feedback about service, noting that engineers are polite, professional, and carry... See more

Staff

Clients share positive opinions on staff, highlighting their professionalism, efficiency, and friendliness... See more

Customer service

People report positive experiences with customer service, noting that communication is consistently excellent... See more

User experience

Customers had positive experiences with user experience, reporting helpful and professional service from... See more

Product

Users describe positive interactions with product, expressing great satisfaction with the overall quality and... See more

Reviews shaping this summary

Rated 5 out of 5 stars

Charlotte makes the booking process very easy. I love that you get a message the night before giving a 4 hour slot for the engineer visit and then on the day of the visit you get a message when the... See more

Company replied

Rated 5 out of 5 stars

We had our boiler moved as part of a loft conversion and Steve and Tom were both brilliant. They genuinely went above and beyond, were really professional throughout, and made the whole process easy a... See more

Company replied

Rated 5 out of 5 stars

Good service. Company kept in touch about timing. Clean tidy engineer who not only serviced our boiler bought from Diamond but service our gas fire thoroughly too. Excellent service, 9 years we have b... See more

Company replied

Rated 5 out of 5 stars

Diamond Green Energy installed 18 solar panels, inverter and battery storage. The work was more demanding on an old house. All members of the team were good to have onsite. They were quick to resolve... See more


Company details

  1. #11 of 44 best companies in Gas installation service
  2. #4 of 23 best companies in Air Conditioning Contractor
  3. #9 of 59 best companies in Gas engineer
  4. #14 of 73 best companies in Central Heating Service
  5. #13 of 118 best companies in Heating service
  6. #2 of 52 best companies in Solar Energy Company

Written by the company

We are a family run renewable energy company based in Fareham, Hampshire. Our approach has always been to provide an honest, trusted and reliable service to our clients and this has supported our business growth over the last 16 years. At Diamond Green Energy we ensure that all of our engineers are kept up to date with all the latest training offered by manufacturers, ensuring that our customers receive nothing but the best service. As a MCS registered company, we also offer you peace of mind. We strive to continually keep up to date with industry changes and new and innovative products that are entering the market so that we can offer our clients the best possible energy saving solutions. If you would like to discuss renewable energy solutions for your property or business


Contact info

4.9

Excellent

TrustScore 5 out of 5

3k reviews

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Asks customers to review

This company invites their customers to review, whether positive or negative

Replied to 100% of negative reviews

Typically replies within 2 weeks

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4.9

All reviews

(2,702)

301 reviews in the last 12 months

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Companies on Trustpilot aren't allowed to offer incentives or pay to hide reviews. Reviews are the opinions of individual users and not of Trustpilot. Read more
polite

Rated 4 out of 5 stars

apart from not receiving a time of…

apart from not receiving a time of service the engineer was polite and considerate

18 July 2024
Diamond Green Energy Ltd logo

Reply from Diamond Green Energy Ltd

We sincerely apologise you did not receive your text informing you of a time slot.

Rated 5 out of 5 stars

On time

On time, received message before.
Quik and explained what was carried out.
Polite and affitiont.

12 July 2024
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Reply from Diamond Green Energy Ltd

Thank you for your kind review and for your continued support in using Diamond Green Energy Ltd

Rated 5 out of 5 stars

Diamond gas reminded me i had a…

Diamond gas reminded me i had a service. then came to the appointment on time and were polite and tidy.

11 July 2024
Diamond Green Energy Ltd logo

Reply from Diamond Green Energy Ltd

Thank you for your kind review and for your continued support in using Diamond Green Energy Ltd

Rated 5 out of 5 stars

Diamond gas serviced my boiler and…

Diamond gas serviced my boiler and heating system prior to joining their Warmcare scheme.
The engineer that visited was punctal, polite and carried out work in very satisfactory manner.
Many thanks.

3 July 2024
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Reply from Diamond Green Energy Ltd

Thank you for your kind review and for your continued support in using Diamond Green Energy Ltd

Rated 5 out of 5 stars

Quality start to finish

Prompt, no fuss, polite and I’m always confident of a job well done!

4 July 2024
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Reply from Diamond Green Energy Ltd

Thank you for your kind review and for your continued support in using Diamond Green Energy Ltd

Rated 5 out of 5 stars

Excellent service

I'm always pleased with the service provided by Diamond and their engineers, who are all friendly, polite and happy to answer all questions. They arrive on time leave my home clean and tidy. You could not want more from a service provider!

3 July 2024
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Reply from Diamond Green Energy Ltd

Thank you for your kind review and for your continued support in using Diamond Green Energy Ltd

Rated 5 out of 5 stars

Great Service and Professional Team

We recently had both air-conditioning and solar systems installed by Diamon Green Energy and are very satisfied with the service. From the start, their communication was clear, keeping us informed throughout the process. They promptly addressed any queries during the installation, showing their commitment to customer care. The staff were professional and polite, making the experience smooth and pleasant. We would recommend Diamon Green Energy for their good service and professionalism.

24 May 2024
Unprompted review
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Reply from Diamond Green Energy Ltd

Thank you for leaving us a review and for choosing Diamond Green Energy, it is really appreciated. Enjoy your savings and keeping cool!

Rated 5 out of 5 stars

Boiler maintenance

Prompt polite engineer. Great communication kept aware of progress.

28 May 2024
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Reply from Diamond Green Energy Ltd

Thank you for taking the time to review us, it is appreciated.

Rated 5 out of 5 stars

Annual Service

Excellent communication from booking to visit. The engineer Steve was polite, professional and friendly. A first class Service as always.

14 May 2024
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Reply from Diamond Green Energy Ltd

Thank you for taking the time to review us.

Rated 5 out of 5 stars

Annual gas service

Annual gas service. Simply organised , punctual and polite engineer.

20 March 2024
Diamond Green Energy Ltd logo

Reply from Diamond Green Energy Ltd

Thank you for your kind review.

Rated 5 out of 5 stars

Service excellently completed.

Engineer arrived in good time. Charming, polite, helpful and conscientious. Reported no problems following service. Recommend Diamond Gas.

19 February 2024
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Reply from Diamond Green Energy Ltd

Thank you for your kind review and for your continued support in using Diamond Green Energy Ltd

Rated 5 out of 5 stars

A pleasure to use this company

A pleasure to use this company. Always prompt in their response to a request, efficient, polite and most importantly, they always provide an accurate quotation before undertaking work.

26 January 2024
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Reply from Diamond Green Energy Ltd

Thank you for your review. We really appreciate it.

Rated 5 out of 5 stars

After service is so important

Exceptional company to deal with.
Having had a new boiler fitted around 4/5 years ago.
After service can't be any better. Also the engineers are so polite and respectful of one's property.
Completely satisfied with Everything.

26 January 2024
Diamond Green Energy Ltd logo

Reply from Diamond Green Energy Ltd

Thank you for taking the time to review us. Your continued business is really appreciated.

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