Sizing Your Heater
Simple Sauna Heater Sizing
One- Measure Area
L__________ x W____________ x H____________ = __________Cubic Feet
Two - Calculate Cold Surface * Adder
Cold Surface Square Feet: _________ x 4.92* = ___________Cold Surface Adder
Three - Heater Size
Sauna Cubic Feet _______+Cold Surface Adder ________= ______Heater Size
*Cold surface materials include glass, tile walls, brick, concrete and stone. These materials affect sauna heater sizing. For each square foot of the cold surface materials (excluding door), an additional 4.92 cubic feet must be added to the total room volume calculation.