Heat Requirement Calculator | Geyser
Heating Type
Preferred Metric
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/central-heat-icon.png)
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/electric-icon.png)
Room Location
Room Name (Optional)
Window Glazing
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/hrc-double.png)
Double
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/hrc-single.png)
Single
m 2
Window Area
External Wall Type
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/hrc-insulated.png)
Insulated
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/hrc-cavity.png)
Cavity
![](https://www.geyser.co.uk/static/version1717173969/frontend/TemplateMonster/theme007/en_GB/images/hrc-solid.png)
Solid
External facing wall length
Total Lengh of all walls facing outside, in a typical home this will be equal to the length+width of the room.
m