Happy family at home

Efficient and Economical Heating with our Domestic Gas Boiler Range

Gas condensing boilers are the most popular choice for heating and hot water in UK homes, producing heating and hot water cleanly and efficiently using energy from natural gas. Our comprehensive range of products combines the benefits of gas with the latest in innovative technology to bring you a range of boilers that promise to deliver comfort and convenience today, tomorrow and beyond. By choosing one of our domestic gas boilers, you will be making an active contribution towards protecting the climate and the environment - as well as saving on your energy bills.

Which gas boiler is the best for you?

Gas boiler types

Gas condensing boilers

Viessmann offers various gas condensing boilers for convenient heat generation with natural gas that meet a wide variety of requirements.

Discover our gas condensing boilers

Low temperature gas boilers

Viessmann offers various gas condensing boilers for convenient heat generation with natural gas that meet a wide variety of requirements.

Discover our low temperature gas boilers

The Vitodens Family

At Viessmann, we off a range of gas condensing boilers including combination boilers, open vent boilers and storage boilers. Within this range we have the perfect boiler for any home.

Not sure which gas boiler you need? Use our simple tool.

Design and Technology

When choosing a Viessmann gas boiler, you will not just be buying one of the most efficient and effective boilers on the market - you will also be making an investment for the future.

Compact, energy efficient and economical with a reputation for exceptional quality and reliability, the Vitodens family is suitable to meet the requirements and demands of every home, no matter how large or small and is our best selling range of gas condensing boilers.

Thanks to the Lambda Pro Control combustion controller, the gas condensing boilers within our Vitodens 200 range automatically adjust to all gas types, including biogas mixtures. All of our domestic gas boilers are suitable for use with Viessmann solar technology, which will allow you to utilise the free energy from the sun. For largeer scale applications, the Vitodens 200 is also suitable for cascade up to 900 kW.

As well as superior performance and reliability, Vitodens gas boilers stand out for their user friendly design and ease of use. All of our boilers have been designed with smart technology in mind, helping you save money and control your comfort from wherever you happen to be.

Viessmann stainless steel heat exchanger.

Inox-Radial heat exchanger 

Viessmann wall-hung gas boilers features our unique stainless steel Inox-Radial heat exchanger, designed for long term reliability, high performance and self-cleaning. The design of the heat exchanger ensures high heat transfer through laminar hot gas flow across defined gaps. High corrosion resistance is maintained by the use of high grade stainless steel 1.4571 and thick walls.

This component is so reliable that it comes with a 10 year warranty against corrosion. 

Saving energy and protecting the climate with condensing technology

Taking the overall investment and current energy prices into consideration, condensing technology is the most economical alternative. Viessmann gas condensing boilers convert up to 98 percent of the natural gas used into heat. Gas condensing technology is also futureproof, as it is also suitable for use types of gas which may become more important in the future.

With gas condensing technology, you can also make an effective contribution towards the sustained protection of our climate by preventing unnecessary CO2 emissions.

A jar of money with a plant growing out of it

Proven technology for industrial  / commercial applications

Our gas boilers also include a range of floorstanding gas boilers that are suitable for a diverse range of applications such as heating for apartment buildings, public and commercial premises and industrial plants.

Just like all of our technologies, they are characterised not just by their exceptional reliability and long service life, but also high efficiency combined with low emissions

Smart home ready

All of our domestic gas boilers have been designed with smart technology in mind. Our dedicated interface and app means you can use your smartphone or computer to control your system - helping you save money and control your comfort from wherever you happen to be.

Advanced controls

Our gas boilers are equipped with advanced features and functions to make installation, maintenance and servicing easy. Depending on the model, these may include in-built software for remote data communication and monitoring, additional heating circuits, a solar/heat pump interface, safety monitor sensors and automatic commissioning functions. 

Which? endorsed products

We are proud to have secured a Which? Best Buy status for six of our most popular Vitodens gas boilers for the second year in succession. The report praised Viessmann’s boilers, saying that they “have excellent build quality, are easy to repair and even non-incentivised heating engineers would recommend them.”

A perfect match – system technology

"The whole is greater than the sum of its parts". Following this philosophy, Viessmann supplies more than high quality, reliable and effective heating components. In fact, all products are part of a matching total concept, where all components complement one another. After all, only perfect interaction between all system components can draw out the maximum potential of our innovative leading technology.

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Our most popular gas boilers

Vitodens 050-W gas condensing boiler
Vitodens 050-W

A compact, low-cost gas condensing boiler

With compact dimensions, low weight and quiet operation, the attractively priced Vitodens 050-W is a low-cost gas condensing boiler that will integrate effortlessly into any living space and does not compromise on quality;...

Discover the Vitodens 050-W
  • Up to 7 years


  • Easy control with

    LCD Display

  • Smart Home

     with tado°

  • Boiler Plus


Discover the Vitodens 050-W
  • EfficiencyLabel
  • EfficiencyLabel

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