Upgrading your boiler will make your property more enrgy efficient meaning that you will spend less money on heating your home and can spend more money on the things you enjoy! If you have a boiler that was installed pre 2003, you could save a third on your heating bill and reduce your properties CO2 emissions by 800kg a year.
Our range of combination boilers are all A+ Rated, these replacements have the ability to supply on demand heat and hot water and provide savings annually of hundreds of pounds.
The A+ Rated Condensing range BoilerKing install convert around 90% of fuel into useful heating, whereas old conventional boilers only convert around 60% and waste the rest. All new gas boilers in England and Wales must be condensing boilers.
ISEDBUK (The Seasonal Efficiency of Domestic Boilers in the UK) rate boilers from A to G according to their level of efficiency – Band A is the most efficient and band G the least. All Vaillant boilers are rated A by SEDBUK.