Boilers: Compare features & prices

Best Buys
The Which? Best Buy award is given to products with high total test scores that perform consistently well in our rigorous lab tests and excel in all key areas.

Energy Savers
We award the Energy Saver logo to products that our testing shows are very energy efficient, meaning they'll cost you less to run.

Don't Buys
The Which? Don't Buy logo alerts you to the products that performed extremely poorly in one or more key areas of our tests.

Overall energy efficiency
Boilers that have an efficiency of 88% or more and are therefore eligible for installation according to the Building Regulations Part L are awarded 5 stars for efficiency.

Reliability score
Based on the results of our annual boiler reliability survey of Which? members. This applies only to boilers up to six years old, bought between 1 April 2005 and the end of May 2011.

Fuel
Choose between the type of fuel that you will use to heat your home and provide hot water.

Boiler type
Choose between a combination boiler which provides heat for central heating and direct hot water on demand, or a system or heat-only boiler that both heat the hot water for a storage cylinder.

Heat output
Choose the heat output that you need - a gas installer can advise you

Boiler efficiency
Choose your boiler by how energy efficient it is

Hidden user controls
Select if you want hidden controls

Central heating temperature control
Select if you want set your own heating level

Price
Prices are sourced from plumbing trade suppliers and include VAT. The price you pay may depend on the discounts your installer has with their supplier.

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