Find an installer

Condensing boilers

Since 2005, all new boilers installed in the UK must be condensing. Condensing boilers generate more energy from the fuel they use, making them much more efficient that old conventional non-condensing boilers.

Find out more about how condensing boilers work and the difference between condensing and conventional boilers using the links below.

Baxi's boiler efficiency calculator
Baxi efficiency calculator

Use our efficiency calculator to find out how much money and fuel you could save by installing a new, energy efficient boiler.

Try the efficiency calculator
Information & advice
Learn-more-about-Baxi-products-and-services

Our series of FAQs, technical advice articles and 'How to...' videos are designed to help you understand your boiler, provide helpful tips and even save you money.

Learn more
Baxi's gas boilers range

Find a boiler
Find out which Baxi product is best for you

If you're thinking of getting a Baxi but aren't sure what type of product is best for you, let us help you decide.

Use the find a boiler tool