Viessmann is a German company established by the Viessmann family over 100 years ago. The brand prides itself on innovation and technological development. A global manufacturer, they offer a wide range of both commercial and domestic boilers alongside cooling solutions, heat pumps, solar thermal and ventilation systems.
Viessmann Product Range
- Combi, System and Regular Boilers
- High Output Oil Condensing Boilers
- Combined heat and power systems; world’s first fuel cell heating appliance
- Heat pumps and ice stores
- Hybrid appliances
- Wood heating systems (pellets, woodchips, logs)
- Solar thermal and photovoltaic systems
- Cylinders, system design and accessories
View the complete range of Viessmann boilers
Popular Combi Boilers
Combi boilers do not require a hot water cylinder and header tank as they take their water supply directly from the mains and produce hot water on demand for both your radiators and taps.
| Vitodens 200 Combi | Vitodens 100 Combi | Vitodens 050-W Combi | |
|---|---|---|---|
| Available Outputs (kW) | 26, 30, 35 | 26, 30, 35 | 29, 35 |
| ErP Rating | A | A | A |
| Standard Warranty | 5 years parts & labour | 5 years parts & labour, 10 years on heat exchanger | 3 years parts & labour |
| Modulation Ratio | 1:20 (35kW) | 1:6 | 1:4 |
Popular System Boilers
A Viessmann System boiler with an unvented hot water cylinder will produce hot water for your central heating and for your taps. The Vitodens 100 and 200 models are available in several different outputs for small, medium and large homes.
| Vitodens 200 System | Vitodens 100 System | |
|---|---|---|
| Available Outputs (kW) | 19, 26, 30, 35 | 19, 26, 30, 35 |
| ErP Efficiency Rating | A | A |
| Standard Warranty | 5 years parts & labour, 10 years on heat exchanger | 5 years parts & labour, 10 years on heat exchanger |
| Modulation Ratio | 1:20 (35kW) | 1:6 |
Take a look at the energy efficiency rating of Viessmann boilers here.
Popular Regular Boilers
Viessmann Regular boilers are ideal if you’re looking to replace the boiler in an older, traditional heating system i.e. a system which includes a feed and expansion tank in the loft and a hot water storage cylinder.
| Vitodens 100-W Open vent | |
|---|---|
| Available Outputs (kW) | 13, 16, 19, 26, 35 |
| Efficiency Levels | Up to 97% |
| LPG Convertible? | Yes |
| Standard Warranty | 5 years parts & labour, 10 years on heat exchanger |
| Modulation Ratio | 1:3 |
Popular Discontinued Boilers
Below you can find more information about some of Viessmann’s most popular discontinued models (ideal if you want to compare your current boiler to their new offerings).
- Viessmann Vitodens 100 WB1A – 24kW Gas
- Viessmann Vitodens 100-W WB1C 35kW Combi Boiler LPG
- Viessmann Vitopend 100 Combi WH1-24kW Gas
- Viessmann Vitodens 100 W WB1B 30kW Combi Boiler Gas
- Viessmann Vitodens 111-W B1LA 35kW Gas
- Viessmann Vitodens 200-W WB2B 35kW System Boiler Gas
- Viessmann Vitodens 100 W WB1B 35kW Combi Boiler Gas
- Viessmann Vitodens 100-W WB1C 35kW Combi Gas
- Viessmann Vitodens 100-W WB1C 35kW System Boiler LPG
- Viessmann Vitodens 200-W WB2B 35kW Combi boiler Gas
Viessmann Boiler Prices
In general Viessmann boilers cost in the region of £800 – £1,500 but some of the larger output models can reach up to £3,500. The exact cost of your new boiler will depend which model and size you choose.
The cost of installation will also vary from supplier to supplier so be sure to source more than one quote so you’re able to compare and identify potential savings.
Viessmann Guarantee
Viessmann boilers include a standard guarantee of at least 2 years but in most cases it is 5 years with 10 years on the heat exchanger. If your boiler installed by a Viessmann Trained Installer, you also have the option to extend the standard parts and labour warranty up to 7 or even 10 years.
Why Choose Viessmann Boilers?
Viessmann boilers are built with technology developed over a century of research and expertise. For example, some boilers can achieve efficiency of up to 97% because of the corrosion-resistant stainless steel Inox-Radial heat exchanger. Their range includes a wide variety of sizes for all types of home and include generous warranties which back up their confidence in their products.
