We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Coronavirus Read our latest advice

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Need help choosing?

Our boiler cover reviews reveal the best and worst boiler servicing contract brands, according to independent Which? research. Use them to discover what thousands of boiler cover customers thought of boiler cover from brands including British Gas, Homeserve and Vaillant.

Displaying 2

Vaillant boiler cover reviews

What is 'Brand score'?

The brand score comes from how satisfied customers are with each brand and how likely they are to recommend the brand to a friend (assessed by customer survey). This survey was carried out in July 2018. To learn more read how we assess boilers.

    CompareRemove all products