Steam Generator Sizing

Steam Room Generators

How To Select The Proper Generator Size

1. Calculate the cubic footage of the enclosure.  Length X Width X Height (in feet) = Cubic feet.  Ignore deductions for benches or other intrusions as they represent surface area to heat.

2. Add the following adjustments to the cubic footage calculated in #1 above to account for your specific design features.  (Multiply % indicated times cubic footage calculated in #1)

A. Ceramic tile thin set, acrylic or fiberglass.  Add 0%

B. Ceramic tile mortar bed or cement board backing.  Add 20%

C. Cast iron tub.  Add 20%

D. For each glass, glass block wall or exterior wall (if freezing is possible)  Add 10%

E. Natural stones (Marble, granite, slate).  add 100%

Total = (1+2A+2B+2C+2D+2E)

3. Compare the total calculated in #2 above with the chart below.

  Max. Cubic Footage Max. Cubic Footage
*Available Models 240V 208V
AR4 75 50
AR5, AK5 100 60
AR6 160 85
AR7, AK7 220 110
AR8.5 300 190
AR10, AK10 400 250
AR17, AK17 725 560
AR20, AK20 900 640
AR30, AK30 1350 1000

* Larger AK and AR models can be used to heat smaller rooms.