Which? endorsed boilers

Viessmann’s Vitodens domestic boiler range has been awarded Which? Best Buy status for the third year running. Viessmann is described as a “very smart choice” by the respected UK consumer organisation in its annual survey.

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.

What Which? had to say about our boilers

Noting Viessmann’s consistently strong performance alongside much larger UK players, Which? stated: “Viessmann is a bit like Leicester City winning the Premier League in 2016 but, unlike Leicester, it’s been able to maintain success year after year.”

The independent Which? survey, carried out earlier this year, is based on feedback from 171 registered Trusted Traders heating engineers and 8,458 domestic customers according to robust criteria.

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

  • Vitodens 050-W 
  • Vitodens 100-W Open Vent
  • Vitodens 100-W Combi & System
  • Vitodens 111-W 
  • Vitodens 200-W Combi & System 
  • Vitodens 222-F
  • Vitodens 200-W Commercial 49 & 60 kW

Which heating system is the best for you?

  • EfficiencyLabel
  • EfficiencyLabel
Vitodens 050-W
A compact, low-cost gas condensing boiler

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 7 years
    warranty
  • Easy control with
    LCD Display
  • Smart Home
     with tado°
  • Boiler Plus
    Compatible
Discover more
  • EfficiencyLabel
  • EfficiencyLabel
Vitodens 100-W
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 10 years
    warranty
  • Easy control LCD
    Touchscreen
  • Smart Home
     with tado°
  • Boiler Plus
    Ready
Discover more
  • EfficiencyLabel
  • EfficiencyLabel
Vitodens 111-W
A high performance storage combi boiler for the family home

Rapid, reliable and compact, the Vitodens 111-W is a high performance wall mounted storage boiler for family homes with a high demand for hot water. With its cylinder loading system (CLS) and 46 litre integrated stainless ...

  • Up to 10 years
    warranty
  • Easy control LCD
    Touchscreen
  • Smart Home
     with tado°
  • Integrated
    storage tank
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 sets the standard for the future. Easy to install, operate and maintain.

  • Up to 10 years
    warranty
  • 7" Colour
    touchscreen
  • Quiet
    operation
  • Smart Home 
    with ViCare
Discover more

Not sure which product you need? Use our simple tool.

What does Which? say about Viessmann?

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