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Viessmann Vitodens 100-W System review

£1,010.00 Typical price

Brand scoreShow Context

Key features
  • Gas
  • System
Expert review

Updated for 2021, the Vitodens 100-W gas system boiler has a large digital display and is compatible with a range of programmers, including an optional external weather detector that automatically adjusts your heating when the temperature drops outside. Read our full review to find out how satisfied Viessmann owners are with this brand of boiler.

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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