What Size Heater?

Heaters are measured in square metre ranges.

The number of effective square metres in a given area is worked out by starting with the actual square metreage of the area and then taking into account several variables such as whether the room has carpets or curtains.

Complete the following form to find out the effective square meterage of an area you wish to heat, taking all variables into account, so that you can choose the correct heater.

Area to heat:
Ceiling Insulated? Yes      No
House built on stumps? Yes      No
Carpet on floors? Yes      No
Drapes on windows? Yes      No
Uncurtained window area
exceeding 15 square metres?
Yes      No
Ceiling Height? 0 to 2.4 metres
2.5 to 2.7 metres
2.8 to 3.0 metres
3.1 to 3.3 metres
3.4 metres +
Reversible ceiling fan? Yes      No
Effective Area: square metres
Heater Size Required: square heater