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Solar Thermal Specialists in London

DCR offer the very best quality in Solar Thermal design, installation and aftercare in London. We care about every single job we do and make sure that our solar customers have a system that is best suited for their property.

Approved MCS installers, DCR offer advice, design, installation and aftercare for Solar Thermal.


Solar Thermal produces hot water through a conventional hot water cylinder reducing gas or oil consumption.

We have over 30 years combined experience designing and installing Solar Thermal systems.

DCR Electrical Viessmann

Why Choose DCR London Solar Thermal Heating Engineers?


At DCR we pride ourselves on our experience in our industry- not just in providing an installation of a new appliance, but in mechanical design and importantly having the experience and the know how to provide excellent after care.

DCR Stability

We are a financially stable business and can offer our Experian credit report to prove this along with our quote. You may need to call on your system warranties in the future and it is essential that the installation company are still trading, can honour your warranty and provide hassle free after care for many years to come.

DCR Team

We are proud to provide our clients with a directly employed team of exceptional engineers, and an extremely low turnover of employees which ensures they understand the high level of service and professionalism required by our clients. We do believe that our standard of workmanship and long-term aftercare is far greater than any other business in our industry.

No Salesmen

DCR operate solely on honesty and natural growth. We do not employ dedicated sale persons. As we are fortunate to operate many highly skilled areas of our business, from oil, solar thermal and heat pump engineers to electrical and PV installations we are not bias on a certain product or technology. We will advise you honestly and with experience on what is best for your property or workspace.

National Coverage

Due to demand and our national growth being contributed to by client recommendations, DCR can provide a national service managed centrally from our midlands head office. Continued investment is placed into our telematics systems and engineer communication enabling national distribution of engineers and heating spares throughout the U.K with ease. 

Care and Attention

At DCR we care about you and your system. We pride ourselves on giving you the very best experience and the greatest system possible. The reason for this is that our service is exceptional, and we make sure you are happy with your system. We will walk you through the process once we are finished to talk you through what has been done and to make sure that you are happy with everything that we have delivered.

DCR Products

DCR are an extremely experienced company in heating design and maintenance. This experience can be traced back three generations enabling DCR to provide the correct elevation of design and products that are best suited to our client’s properties. Thanks to the volume of appliances our team installs and our product aftercare service we are able to complete yearly reports. Reporting allows us to advise on the reliability of certain designs and to highlight manufacturers with the lowest failure rate and long term part availability. Our Solar Thermal heating and hot water systems provide the very best in reliability and energy efficiency performance. Our team work closely with our chosen manufacturers to continually deliver high standards.

DCR Aftercare

DCR operate a dedicated after care service that we are extremely proud of. Our engineers are available 7 days a week, 24 hours a day. Our head office is equipped with large stores to ensure our engineers are stocked with numerous heating spares, and a dedicated IT system allowing a 24 hour engineer restock even in the depths of winter ensuring we have the highest possibility of providing a same visit repair on your heating system.


Due to demand from existing clients’ recommendations within the London area, DCR opened in Mayfair in 2020. This investment has ensured we can provide excellent customer service along with highly experienced engineers to technical systems that operate more than just heating systems. Our heating engineers specialise in the Viessmann product and have provided many turnkey solutions along with breakdown assistance to existing Viessmann installations within the London area.

Who we work for

Large Residential
Stately Homes
Country Manors


What we can do

Solar Thermal installations
Solar Thermal servicing and maintenance
Solar Thermal fault finding and repairs

Why DCR?

Experienced renewable heating engineers
NICEIC approved electricians  
MCS registered contractors
Oftec registered heating engineers
Gas safe registered heating engineers
Exceptional service and aftercare

DCR made possible what other companies said could not be done

DCR Electrical made possible what other companies fitting solar panels said could not be done on our house.

Good quality work and friendly team.

John Barber

Completed to a very high standard

Fantastic service friendly and polite staff very efficient work done and completed to a very high standard would highly recommend.

Nathan Cumberland

DCR have done a great job

DCR have installed solar panels for us and have done a great job very efficiently and then left everything tidy and completed all the paperwork promptly.

Debbie Miller

Areas DCR London Operate in


West Brompton
Park Lane
Collingham Gardens

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