Endorsed by Which?

Diamond Green Energy Limited

5.0

27 Reviews

Opening Hours
Today - 24 hours
  • Monday - 24 hours
  • Tuesday - 24 hours
  • Wednesday - 24 hours
  • Thursday - 24 hours
  • Friday - 24 hours
  • Saturday - 24 hours
  • Sunday - 24 hours

Why you can trust this trader

After undergoing rigorous assessment to become endorsed, every Which? Trusted Trader agrees to our Code of Conduct. This gives consumers the reassurance that they have the best possible protection and adds an extra layer of security to ensure best practices and procedures are followed. Which? fully investigates any breaches and will take any necessary action to ensure consumer protection.

About

Established in 2005, Diamond Gas & Heating are proud to be Worcester Bosch accredited installer’s since 2008 and recently approached by WHICH to become a “WHICH Trusted Trader”.

Diamond Gas and Heating have the knowledge and expertise needed to ensure that you receive nothing but the best service. Our reputation has been developed through hard work and reliability which is why we are the area’s number one choice for heating & gas related work.

We are based in Portsmouth, Hampshire and operate over a radius of around 50 miles from here.

Whether you are a private customer looking for a personal service or a Landlord or looking for someone to look after your complete heating needs then Diamond Gas & Heating Ltd can deliver what you need.

What we do

  • Boiler, central heating and gas engineers

    • Boiler installation
    • Boiler repair
    • Boiler servicing
    • Gas safety testing and inspection
    • Radiators and central heating
    • Power flushing
    • Underfloor heating
    • Immersion Heaters
    • Gas fire repair and servicing
    • Gas cooker repair
    • Gas cooker installation
  • Heating contractors

    • Central heating systems (installation and servicing)
    • Immersion Heaters
    • Oil fired heating equipment
  • Plumbers

    • Emergency plumbing services
    • Unvented cylinder installation and maintenance
    • Water softener installation and maintenance
  • Air conditioning contractors

  • Renewable energy

    • Air source heat pumps
    • Ground source heat pumps
    • Home energy analysis

Customer reviews

Why you can trust these reviews

All reviews are verified as being genuine and a true customer of this trader.

How can we be so sure?

100% of the reviews we publish have been through our stringent moderation process.

5.0
27 reviews
Customer Service
5.0
Quality
5.0
Value
5.0
Sort by
Fantastic!
Customer Service
Quality
Value
Absolutely brilliant. Worked quickly and efficiently to save us from our cold house. Incredibly professional, friendly service. Highly recommended.
Kate, Hampshire Posted on 09/02/2017 , work completed 09/02/2017
Excellent standards
Customer Service
Quality
Value
We have used Diamond Heating for many years. Always reliable and high standard of work.
Gary, Hampshire Posted on 08/02/2017 , work completed 08/02/2017
Brilliant job.
Customer Service
Quality
Value
Very professional. Clean & tidy workmen.
Arthur, Hampshire Posted on 06/02/2017 , work completed 06/02/2017
Outstanding work.
Customer Service
Quality
Value
Everyone at Diamond Gas made me feel like a valued customer. All staff were friendly and I am happy with the service provided.
Charlotte, Hampshire Posted on 30/01/2017 , work completed 30/01/2017
Great job
Customer Service
Quality
Value
Very courteous and polite. Kept informed of progress. Tidy and efficient.
John, Hampshire Posted on 26/01/2017 , work completed 26/01/2017
Brilliant job
Customer Service
Quality
Value
Great company, very good team arrived on time. Very polite, all cleaned up every day. I have used many companies previously for similar work and this is the best company I have used. Highly recommended.
Susan, Hampshire Posted on 20/01/2017 , work completed 20/01/2017
Very prompt
Customer Service
Quality
Value
First class.
Ronald-John, Hampshire Posted on 23/12/2016 , work completed 23/12/2016
Great installation
Customer Service
Quality
Value
First class professional service from start to finish of combi boiler replacement. Excellent survey, competitive quote with no "extras", installation carried out by very experienced and courteous fitters, would thoroughly recommend this company to anyone.
David, Hampshire Posted on 24/11/2016 , work completed 24/11/2016
An excellent job
Customer Service
Quality
Value
Four radiators replaced with four new modern ones. Excellent workmanship; although one radiator arrived damaged, a new replacement was fitted ASAP and I was kept informed. I will recommend them.
Susan, Hampshire Posted on 18/10/2016 , work completed 18/10/2016
Excellent job
Customer Service
Quality
Value
Knowledgeable, reasonably priced, clean, courteous and overall excellent.
David, Hampshire Posted on 05/07/2016 , work completed 05/07/2016