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Diamond Green Energy

10/10

Fareham

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Customer Reviews

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10 /10

Based on 2 reviews over the past 12 months

Quality of work

10

Reliability

10

Communication

10

What customers are saying

AI-generated from customer reviews over last 24 months

Customers consistently praise this trade for their professional, efficient, and tidy work, frequently highlighting the polite and knowledgeable engineers. However, a small number of reviews mention issues with communication and resolving problems.

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Reviews (739)

  • 10

    Central Heating

    Posted 28 November 2025

    Very helpful

    very helpful engineer who serviced our boiler but also fitted our new Tado thermostat controller. As Tado is quite new, there was a bit of learning from both of us of getting it set up but we got there - appreciate their patience!
    Job location: PO15
  • 10

    Central Heating

    Posted 18 July 2025

    We would recommend Diamond Green Energy

    We had 2 air conditioning units installed, not central heating, but air conditioning wasn't on the list I had to choose from. Good experience using Diamond Green Energy. Tradesmen were nice, arrived on time. Cleared up after themselves and explained how to use the units
    Job location: PO13
  • 10

    Air Conditioning Installation

    Posted 19 May 2025

    A/C Install

    Very happy with the quote and installation from Diamond Green Energy, went way faster than I assumed, very happy!
    Verified reviewer
    Job location: RG25
  • 10

    Central Heating

    Posted 20 April 2025

    Full check of a new gas system

    Steve was a great help ensuring we got the service we were looking for. Robert Nugent provided an excellent service, explaining what he was doing at every step, performing a thorough check of the boiler, cooker and central heating system which included bleeding all the radiators…no more clunking. Well done and thank you.
    Verified reviewer
    Job location: GU27
  • 10

    Central Heating

    Posted 15 April 2025

    New boiler installation

    We needed our very old boiler replaced with a new boiler and Hive system. They did an excellent job, especially as the original boiler was in an awkward position and they went out of their way to fit the new boiler close to the original. They were very knowledgeable, reliable, polite and hard-working. Very pleased with the work done. Great customer service - from going through the boiler survey and boiler options to the installation. Happy to recommend them.
    Verified reviewer
    Job location: GU51
  • 10

    Ground Source Heat Pump Installation - GSHP

    Posted 27 February 2025

    Annual Service

    The technician was punctual, informative and very polite
    Verified reviewer
    Job location: PO2

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