Approximate Heating Requirements For Different Building Insulation Types

Capacity               New Buildings                   Old Buildings                     Greenhouses                     Greenhouses

(kW)                      (with avg insulation)        (with avg insulation)        (double glazed)                (without insulation0

TEMPERATURE DIFFERENCE 30^oC

5                             70 – 150m³                          60 – 110m³                          35m²                                     18m²

10                          150 – 300m³                       130 – 220m³                       70m²                                     37m²

20                           320 – 600m³                       240 – 440m³                       140m²                                   74m²

30                          650 – 1000m³                     460 – 650m³                       210m²                                   110m²

40                          1050 – 1300m³                   650 – 890m³                       300m²                                   150m²

50                          1350 – 1600m³                   900 – 1100m³                     370m²                                   180m²

60                          1650 – 2000m³                   1150 – 1350m³                  440m²                                   220m²

75                          2100 – 2500m³                   1400 – 1650m³                  550m²                                   280m²

100                        2600 – 3300m³                   1700 – 2200m³                  740m²                                   370m²

125                        3400 – 4100m³                   2300 – 2700m³                  920m²                                   460m²

150                        4200 – 5000m³                   2800 – 3300m³                  1100m²                                550m²

200                        15000 – 6500m³                3400 – 4400m³                  1480m²                                740m²