RECOMMENDED HEATER 

RATING

Mild climate 60-70 watt/

(rarely below -20 °C )

Normal/cold climate 70-85 watt/

(periods with below -20 °C  )

Watts Total area of room size in   Total area of room size in i 
400 5-7  5-6 
600 8-10  7-9 
800 12-14  11-12 
1000 14-16  12-14 
1200 17-20  14-17 
1500 21-25  18-21 
2000 26-34  22-29