Heating Calculator

What size sauna heater do I need for my sauna?

Use our online sauna heater power calculator, we show you how to calculate the size of sauna heater you need for your sauna room and include glass and door calculations to give you the best heater size for your sauna space.
Fill in your sauna dimensions below to find out which wood burning or electric sauna heaters will work for your space. Also, check out our hand guide How to choose the best electric sauna heater for your sauna and our wood burning stove version  How to choose the best wood burning sauna heater for your sauna