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BTU Domestic Installation
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Industrial Maintenance Services

All modern homes have a heating system in them. These systems—powered either by gas, oil or electric boilers—are designed to provide central heating and/or hot water. Sometimes it becomes important to install a new heating system or get the existing one repaired. BTU Group's qualified and experienced heating engineers offer domestic and industrial heating services, warm air heating installation, and underfloor heating repairs in Surrey. Installation and heating repair are vital components of indoor living. The equipment used for heating systems can prove to be dangerous if the installation or repairs are not carried out correctly. Hiring BTU's professional heating engineers will ensure that safety standards are followed during installation and repair. It is essential to have access to top quality repair services for many reasons.

1. Integrity: First and foremost, heating repairs are important to maintain the integrity of a heating system. Regular service and mandatory repairs will allow a unit to continue to run smoothly, and work efficiently.

2. Life Span: With regular maintenance and repairs, the life span of a heating system can be increased. The unit will work more efficiently and for a longer period than expected.

3. Heat: Fundamentally, regular heating repairs will keep your homes heated during the colder months. Without regular service, the heating system might stop working and producing warm air.

4. Savings: Regular heating repair services can help you save on money. BTU's affordable and cost-efficient services will help you to have an efficient and smooth-running heating system.

Heating repair influences all the ways that you use heat sources to service your life throughout the day. Heating repair is essential to ensure the safe use of heating devices. You might need new boiler installations, troubleshooting boiler functioning issues, and necessary repairs. Regardless of the size of your home, restoration and maintenance are part of ownership and use. If you want your heating system to work properly even when you do not require its use, you need to get it serviced regularly.


From installing a domestic boiler in a one bedroom flat to designing and installing an office block boiler plant room, BTU offer a 'one stop shop' for a high quality delivery of service and excellent customer satisfaction.




We work in the South East of England, including Surrey, Hampshire, Berkshire, Oxfordshire, London, Sussex, Kent and Essex



We pride ourselves on a customer focused approach providing round the clock response to our customers. Operating from our Head Office in Guildford Surrey from premises that we've owned and occupied for more than 50 years, our businesses can work in isolation or together to offer full design, installation, maintenance, servicing and repairs to plumbing and electrical systems.


We maintain thousands of homeowners heating systems in the South East of England and carry out annual servicing and response repairs to them. We provide an emergency callout service which is operated 24 hours a day, 7 days a week, including Bank Holidays and weekends, so if one of our customers has a problem we can help to resolve it at any time.


We also have many commercial clients where we design, develop and install commercial heating systems in small and large plant rooms.

Our success over the last 50 years has ensured that we are able to provide the best service to all our customers, irrespective of whether they are a domestic property with one boiler or a commercial office tower block with multiple plant rooms.


Please click on the appropriate ‘Commercial’ or ‘Domestic’ link at the top of the page to see more information.


  • Install domestic and commercial heating systems
  • We fit any size boiler, from a single wall mounted domestic boiler in a residential house or apartment, to commercial plant rooms for a tower block
  • Emergency service – all emergency requirements catered for
  • Renewable technologies – We are very experienced in all renewable technologies, from ground source heat pumps, to stationary fuel cell trigeneration systems
  • We also install and maintain air conditioning systems
  • NICEIC Approved - Full domestic and commercial electrical qualified engineers
  • Electrical and mechanical services
  • Complete system management
  • Own in-house Design and Build team


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