Which? endorsed boilers

Viessmann’s Vitodens combi boiler range has been awarded  Which? Best Buy 2021

Why trust Which? 

An independent charity, Which? was established over 60 years ago and is renowned for its genuine & unbiased reviews. It is now the UK's largest independent consumer body with more than 1.3 m members and supporters. Which? work entirely on behalf of the consumer, and nobody else – so you can be assured that an endorsement from Which? means that you're getting the very best advice available from a totally impartial organisation. At the heart of the Which? philosophy is ensuring products put consumers' needs first, to bring them better value.

Which?’s recommendation comes from a satisfaction survey of more than 8,000 people who purchased a boiler in the past six years, as well as more than 150 independent installers.

The Which? ‘Best Buy’ boilers from Viessmann are:

Which? Best Buy Gas Combi Boilers September 2021

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Vitodens 050-W
A compact, great value combi boiler new for 2021    

With compact dimensions, low weight and quiet operation, the attractively priced Vitodens 050-W gas condensing boiler will integrate effortlessly into any living space. Which? Best Buy, Vitodens 050-W 29 kW Combi.

  • Up to 10 years
    Warranty
  • Hydrogen
    H2 Ready
  • Easy control with
    LED Display
  • Smart Home
    ViCare
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  • EfficiencyLabel
Vitodens 100-W
Updated for 2021, our best selling gas condensing boiler. 

Efficient, compact, quiet and powerful, the Vitodens 100-W gas condensing boiler is the most popular solution for smaller and well insulated homes. Which? Best Buy, Vitodens 100-W 30 kW Combi.

  • Up to 12 years
    warranty
  • Easy control LED
    Touchscreen
  • Smart Home
     with ViCare
  • Hydrogen
    H2 Ready
Discover more
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Vitodens 111-W
Updated for 2021, a high performance storage combi boiler for the family home

Rapid, reliable and compact, the Vitodens 111-W is a high performance hydrogen ready (H2 20% blend) wall mounted storage boiler for family homes with a high demand for hot water. With its cylinder loading system (CLS) and ...

  • Up to 12 years
    warranty
  • Hydrogen
    H2 Ready
  • Easy control LED
    Touchscreen
  • Smart Home
     with ViCare
Discover more
  • EfficiencyLabel
  • EfficiencyLabel
Vitodens 200-W
A powerful gas condensing boiler for larger homes

The new generation of heating systems. Greater efficiency, lower emissions, simple operation. Future-proof, durable and digital. Vitodens 200-W hydrogen ready boiler (H2 20% blend) sets the standard for the future. Easy to...

  • Up to 12 years
    warranty
  • Hydrogen
    H2 Ready
  • *7" Colour
    touchscreen
  • Quiet
    operation
Discover more

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What does Which? say about Viessmann?

  • Very smart choice 
  • Able to maintain success year after year