Sizing guide

The heating requirement, which is equal to the losses of the building at a room temperature of 20 ° C and the design outdoor temperature according to the geographic location (zone 1-4), is depended on isolation, the outer surfaces scope, ventilation, etc.. The calculation takes this into account and has been simplified as far as possible and pertains to habitations with normal ceiling height (2.4m). Always contact a plumbing consultant or installer for the precise calculation.
Enter your values ​​in the form. Choose the closest option if exact value is missing. When you are finished, click the calculate-button. You will be given a power requirement from which you can easily choose a suitable radiator!