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BTU

cu. ft. = BTU required

(cu. ft. factor × insulation factor)

Vous voulez plutôt déterminer vos besoins en groupe électrogène ?
1

Determine the number of cu. ft. to be heated

2

Determine the variation between the outdoor and indoor required temperatures

3

Determine the factor with the following list, starting with the variation determined at point 2

°C
between outdoor and indoor required temperatures
4

Determine the insulation factor

5

Calculation of BTU requirements


Exemple :
- Room dimensions: 100' × 100' × 30' = 300 000 cu. ft;3;
- Outdoor temperature of -20 °C goal of +10 °C indoor variation of 30 °C = Factor 0.8;
- Room is insulated = Factor 2.0.

(100 × 100 × 30) × (0.8 × 2) = 480 000 BTU required(100 × 100 × 30) × (0.8 × 2) = 480 000 BTU requis