Big Boiler Shop is an accredited installer for all the leading boiler manufacturers in the UK. Worcester, Vaillant, Ideal and Atag all know about our incredibly high standards and we are proud they endorse our service. We are not in any way exclusively tied to any one installer. The Big Boiler Shop ethos is to provide the boiler installation that is best for you. So if you want to browse our range then please feel free to do so here. If you have questions or need to know more then please do get in touch. We are more than happy to help you choose the best installation for your home.