Founded in 1917, Viessmann is a German owned company and one of Europe’s leading providers of heating solutions. Its product range includes heat pumps, cylinders and solar thermal technology, as well as a wide choice of gas and oil-fired boilers.

Viessmann has won numerous awards and its boilers are known for their quality design and engineering, reliability and efficiency. They are a premium brand and that is reflected in the quality components and clever features the boilers are fitted with.

Another great reason to choose a Viessmann boiler is that they have some of the longest warranties on the market. This gives you peace of mind that if anything does go wrong with a part, you’ll be able to get it repaired or replaced. 

Viessmann combi boilers

Combi boilers are an increasingly popular choice for many homeowners. They don’t require a water tank or cylinder to supply or store water, which can save lots of space in your home. On top of that, combi boilers are compact and lightweight and can be installed inside a kitchen cabinet.

The combi boilers from Viessmann are available in a range of outputs from 19kW to 35kW. A 19kW combi boiler will suit homes that have 1-2 bedrooms and 1 bathroom, whilst a 35kW boiler is ideal for properties with more than one bathroom and 4-5 bedrooms. 

All of Viessmann’s combi boilers are A-rated for efficiency, which means they are in the highest band for eliminating lost energy. If you are upgrading to an A rated boiler you could potentially save hundreds of pounds a year on your heating bills. 

Viessmann regular boilers

Regular boilers, also known as conventional or heat only boilers, use a water storage tank to supply cold water which the boiler heats up and transfers to a cylinder until it is needed. Although they take up more space than combi boilers, regular boilers are ideal for properties that have more than one bathroom or have a high demand for hot water. 

If you already have a tank and cylinder installed in your home, it will usually be much cheaper to install a new regular boiler. 

The Viessmann Vitodens 100-W regular boiler range is available in output sizes from 13kW to 35kW. 

The boiler is fitted with a weather compensation option, large user display and a stainless steel Inox-Radial heat exchanger, which can achieve efficiency levels of 97%. 

Viessmann system boilers

System boilers share some similarities to regular boilers in that both transfer hot water to a cylinder to be stored until it is needed. However, unlike a regular boiler, a system boiler is supplied with cold water from the mains, eliminating the need for a cold water storage tank. 

System boilers are great for homes that have more than one bathroom or a high demand for water as they can supply hot water to multiple outlets at the same time. They also have high flow rates and can be used with solar thermal systems. 

Viesmmann’s range of system boilers are all ErP A-rated for efficiency, which means that over 90% of the energy used by the boiler goes to heating hot water and your home. 

Viessmann oil-fired boilers

For any homes in the UK not connected to the gas network, an alternative source of fuel is required to generate heat and hot water. By far the most popular choice is an oil boiler. Oil boilers work in much the same way as a gas boiler, but the main difference is that oil needs to be stored in a tank on the grounds of the property. 

The below range of Viessmann models are all system boilers, which means that they need to be installed alongside a hot water cylinder.

The Viessmann Vitorondens 200-T boiler is available in a range of outputs from 20.kW to 53.7kW, making it suitable for homes of all sizes. It has a 97% efficiency rating and is fitted with a stainless steel Inox-Radial heat exchanger, Jetflow system for optimum heating water distribution and an external silencer to make it quiet when in operation. 

Boiler model kW Output Efficiency Warranty Price
Viessmann Vitorondens 200-T 20kW System Oil Boiler 20.2kW 97% 7 years £N/A
Viessmann Vitorondens 200-T 24kW System Oil Boiler 24.6kW 97% 7 years £N/A
Viessmann Vitorondens 200-T 28kW System Oil Boiler 28.9kW 97% 7 years £N/A
Viessmann Vitorondens 200-T 35kW System Oil Boiler 35.4kW 97% 7 years £N/A
Viessmann Vitorondens 200-T 42kW System Oil Boiler 42.8kW 97% 7 years  £N/A 
Viessmann Vitorondens 200-T 53kW System Oil Boiler 53.7kW  97% 7 years  £N/A 
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