To determine the BTU size of the unit, the size of the area (m²) to be treated must be calculated:
Length of room x width = m²
Make use of our m² calculator and the have a look at the size info below to choose the correct size unit for your needs.
For a room of approximately:
Room size up to 16m² – 9 000 BTU
Room size up to 24m² – 12 000 BTU
Room size up to 35m² – 18 000 BTU
Room size up to 50m² – 24 000 BTU
Room size up to 60 m² -30 000 BTU
Room size up to 70 m² -36 000 BTU