Guide to Sizing Radiators
Bascis understandig of terms
To understand how to work out the right heat output radiator for your room - this is a basic understanding on how to convert kW enery to room sizes: -
1kW of energy heats: -
The correct size radiatorChoosing the correct size radiator is important. This information provides you with a quick and easy method to estimate the best sized radiator for your home.
What to do:
Click on chart to download PDF
The above chart is based on room assumptions of:
A). The room being insulated to the new building code
(If not, add 20% )
B). The room having 25% or less of its walls as windows.
(If more than 50% of its wall as windows, ).
C). The room ceiling height being 2.4 metres.
(If ceiling is higher add a percentage increase as below)
3 metres high add 25%
3.6 metres high add 50%
Example: Room size 5 metres wide by 4 metres longwith ceiling height 3 metres
From the chart: Heat output = 2.3kW + 25% for 3 metre ceiling = 2.88kW
1.Windows are a significant loss factor, for every large window where the room has over 50% of its walls as windows space, please consult with Pivot Stove & Heating sales consultant