We have been providing Heating/Air Conditioning and Ventilation services in London and the Home Counties for 25 years and collectively the Key staff have over 200 years experience to bring to your projects. If you need help with any of the aspects of the design and installation of heating, air conditioning and ventilation systems, call G B Heating Services now on 020 8868 6061 and ask to speak with Peter or Steve. It doesn't matter if it's a single boiler in your home or heating for a city centre office block, you will get the best team for your project.