At Diamond Gas and Heating, the customer is at the heart of everything we do. We are a family-run business with specialist Worcester Bosch Accredited, Gas Safe registered installers. We offer top-quality boiler services, repairs and installations to Portsmouth, Fareham, Gosport, Southampton and all surrounding areas. When it comes to boilers and central heating, peace of mind is the most important thing we can offer. That's why our four-tiered care plan system is great. It means you can rest easy knowing you'll be looked after when you need it most.

Since starting in 2011 with just Ian, Louise and apprentice Bradley, Diamond Gas & Heating now boasts a team of eight. Each of the firm's Gas Safe registered engineers has been trained by Ian with customer focus and quality workmanship at front of mind. The company is also a member of Check-a-Trade and a selected Which? At Diamond Gas & Heating the customer is everything. From our family to yours - the team will be with you every step of the way to ensure your boiler installation is as smooth, straightforward and simple as it can be.

Spread the cost of your new boiler over 12 months, interest free. This means you only pay back what you owe, acquiring no interest, and a set monthly cost, allowing you to make a viable decision when picking your boiler, knowing there is a financially secure payment method that suits you and your home. Pay a small deposit and the remaining balance within 12 months and there's no interest charged. Or pay nothing for 12 months and then spread the cost over 84 months at 9.90% APR representative. Finance your boiler from 2 - 10 years at a low APR of 9.9%, this will allow you to tailor your repayments to what you can financially sustain, meaning affordable monthly payments that allow you to budget appropriately.

Diamond Gas & Heating supplies a wide range of systems for homes, installing the best in comfort, warmth and ease of use and efficiency. Featured is the Worcester Greenstar range but we also install underfloor heating, smart home systems & LPG. Diamond Gas & Heating can provide a free quotation and our engineer surveyors will appraise your home and offer you advice for the most suitable system to you and your needs. Diamond Gas & Heating highly recommends Worcester Bosch boilers which have been voted a Which?

Since 2011 our engineers have been providing top quality boiler services, repairs and installations in Hampshire and all surrounding areas, including Portsmouth, Fareham and Gosport, considering our customers above all else. We offer a fast, friendly and reliable service and have extensive knowledge and experience to repair a wide range of boilers including Worcester Bosch, Ideal and Vaillant to name a few. With our extensive knowledge and expertise on boiler and central heating systems, you will be sure to be up and running with heating and hot water in no time at all.

If you're not prepared a boiler break down, fixing it is likely to be both expensive and inconvenient. Diamond Gas & Heating's four-tiered heating cover starts from just 6.00 per month, so you can choose the level of boiler cover which best suits your needs and pocket. For your further peace of mind, Diamond Gas & Heating engineers are Gas Safe registered and operate within strict guidelines to ensure safe maintenance of your heating system and your home. Your boiler is a complex piece of engineering.

Excellent service again from Diamond Gas and Heating. Annual safety check service completed. Punctual, was here nice and early. Explained what was being done and why. Very pleased. Thank you Joe.

I would like to say a big thank you to all the team at diamond for an exceptional service, it has been a pleasure dealing with you, and my elderly parents in law are really very happy with the new installation and now realise what they have been missing now they have hot water and hot radiators.

Very strange company. Engineers run on a different wavelength to the Office, resulting in promises broken and fees added on. Few let-down and betrayed, wouldn't use again.

What's new?

Covid-19 update: Diamond Gas & Heating are still operating a normal service. Our engineers will be continuing to follow guidelines to protect our customers and themselves. Please contact us on 01329234111 if you have any further queries.

Posted on Nov 02, 2020  •  Facebook

Wrap up warm and skate your way into the festive season at Portsmouth Guildhall ice rink! https:// www.visitportsmo uth.co.uk/ whats-on/ portsmouth-ice-s kating-p1782031

Posted on Dec 04, 2019  •  Facebook

Christmas is approaching fast! Get your tickets now and enjoy a fun day out at The Christmas festival this year, on the 29th, 30th November and 1st December! https:// www.historicdock yard.co.uk/ christmas?gclid= EAIaIQobChMIoa_ v8vHz5QIVA7TtCh 2ZHQpPEAAYASAAE gLe3vD_BwE

Posted on Nov 18, 2019  •  Facebook

*IMPORTANT INFORMATION❗️* Unfortunately our phone providers are down today if you need to contact Diamond Gas please call 07717458440

Posted on Nov 08, 2019  •  Twitter

Struggling with ideas for the half term? Why not visit Portchester Castle this year for a fun filled day with the k… https://t.co/By8fAO72rk

Posted on Oct 22, 2019  •  Twitter

Find your perfect pumpkin this year!! What’s your design?? 👻 https://t.co/LbLYxLswa0

Posted on Oct 22, 2019  •  Twitter

With heating making up more than half of your home’s energy costs, it’s no surprise that smart thermostats have tak… https://t.co/1A55eMnBhU

Posted on Sep 28, 2019  •  Twitter

Do you have questions about your home, heating and boiler? Then call us, tweet us, facebook us, email us.. we are f… https://t.co/OdaQAVOM0x

Posted on Sep 27, 2019  •  Twitter

Is it time for that new boiler you have been putting off? Well we can help you with that, get your free boiler qu… https://t.co/M3ewU0p6Pz

Posted on Sep 24, 2019  •  Twitter

Keep your boiler working and save money with one of our Warmcare packages starting from just £6.00 per month.… https://t.co/69jLTmOuyz

Posted on Sep 23, 2019  •  Twitter

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