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Floor heating as total heating

Total Heating

As a total heating system the DEVI system is the only heating system in a room. The total heating system is designed to cover the total heat loss and provide full heating.

Normally, Deviflex™ heating cables are placed in the lower part of a reinforced concrete layer with a maximum thickness of 5 cm.

Required output

The required output qheat can be anything from 40-150 W/m². It must be based on a detailed calculation of the Room Heat Loss qroom in W/m² from an architect, consulting engineer or your local DEVI Office.

Next step is to determine the heatable floor area Aheat. This means that the area covered by cupboards, bathtubs, lavatories, etc. has to be deducted from the total room area Aroom.

In order to ensure a quickly responding heating system, the total calculated output has to be increased by approx. 30%.

The required output can now be found qheat [W/m²] = 1.3 • qroom • Aroom/ Aheat 

Rim zones
Locally the output may be up to 2 times higher e.g. in front of larger window areas. These rim zones are achieved by reducing the distance between the cables.
Intelligent heating

Intelligent heating systems

DEVI is a Danish company and the world’s largest manufacturer of floor heating systems.

In our centre of competences we constantly develop energy-saving heating systems.

With our heating system you get security and guarantee for quality.