Our oil condensing boilers come prepared for the future.

By using a Viessmann condensing boiler to convert fuel oil into heat, you are making an active contribution towards using resources efficiently and saving energy, thanks to the boiler's unbeaten high efficiency of 98 percent*.

Our oil condensing boilers come prepared for the future. They are designed to accommodate a changeover from fossil oil to fuel oil mixed with a certain percentage of bio-oil, which means that they can be run partially on renewables.

You can even use free solar energy with your new heating system. All boilers are designed to be combined with Viessmann solar technology. Viessmann system technology guarantees that everything will fit together beautifully and work in harmony, putting you in charge and meeting your every aspiration.

*relative to the gross calorific value (Hs)


Oil condensing boilers equipped for the future

Condensing boilers extract almost all of the heat contained in the flue gases and convert it into additional heating energy. To do this, Viessmann condensing boilers are equipped with stainless steel Inox-Radial heat exchangers. These cool the flue gases before they are routed into the chimney, to the extent that the water vapour contained in these gases is deliberately condensed. Additional heat is thus released and transferred into the heating system. This raises efficiency, lowers your heating bills and reduces environmental impact