Other elements we should know? Boilertrust is a london based central heating company that offers bespoke heating solutions we specialise in boiler replacements, combi-boilers, boiler repairs and efficient systems. We’re a locally-owned company and have been earning trust with expert plumbing service for over years! People generally find that swapping to an. In total, the quote for the boiler installation came to £, so, a £ improvement on british gas, and it included an excellent. Contact us for any.