Calculate your needs

A good calculation of your calorific needs is one of the most important reasons to increase the savings in your electricity bill.

Map and table providing the rapid calculation of calorific requirements.

Map and table providing the rapid calculation of calorific requirements.

Coefficient* W / m2 of useful surface per room

Non-isolated housing Isolated housing
NORTH SOUTH NORTH SOUTH

Zone A

 90 85 80 70

Zone B

 95 90 85 75

Zone C

 100 95 90 80

Zone D

 105 100 95 85

Zone E

 110 105 100 90

*The data provided are indicative under average conditions of insulation, glazing and orientation.

* These coefficients are valid for homes with a clear height of 3 meters from floor to ceiling.

Coefficient* W / m2 of useful surface per room

Non-isolated housing Isolated housing
NORTH SOUTH NORTH SOUTH

Zone A

 90 85 80 70

Zone B

 95 90 85 75

Zone C

 100 95 90 80

Zone D

 105 100 95 85

Zone E

 110 105 100 90

*The data provided are indicative under average conditions of insulation, glazing and orientation.

* These coefficients are valid for homes with a clear height of 3 meters from floor to ceiling.

Room dimensions:

Ceiling height room:

Room isolation:

North orientation?:

Select your climate zone:

Are there stairs in the room?:

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