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Viessmann Vitodens 100-W Combi review

£1,080.00 Typical price

Brand scoreShow Context

Key features
  • Gas
  • Combi
Expert review

Viessmann's Vitodens 100-W range of combi boilers are designed to supply instant hot water and central heating to homes without a separate hot-water cylinder. But do customers love their Viessmann boilers? Read our full review to find out.

What's included:
  • Pros and cons
  • Heating engineer reviews
  • Boiler owner views and reliability
  • What type of home is this boiler suitable for?
  • How efficient is this boiler?
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Last checked by Which?

September 2021

First reviewed by Which?

January 2020

Released

May 2021

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

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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.

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