Is there a standard test for hot tubs to determine energy efficiency ratings? Like the yellow energy labels on appliances? No. This study is a first attempt at evaluating hot tub efficiency.
There are 8 pages to this report.
I'll summarize the comparison results here first.
Most energy efficient starting at the top.
1.Arctic Kodiac 1 Thermally Sealed Insulation
2.Arctic Kodiac 2 Thermally Sealed Insulation
3.Beachcomber Full Foam Insulation
4.Hotspring Full Foam Insulation
5.Sundance Full Foam Insulation
6.Coast spas Full Foam Insulation
7.Arctic Coyote Thermally Sealed
8.Cal-Spas Full Foam Insulation
