Arctic Spas® is proud to have one of the most efficient spas on the market today. 🍃 With our FreeHeat™ perimeter insulation, your spa heating costs and power bills are much lower compared to other spa manufacturers. This unique insulation system makes use of heat recapturing, taking the mechanical heat produced inside your spa, and recycling it through your spa shell to keep your water hot. We’ve tested our spas in -20°C/-4°F with no power, and they went up to 7 days with no signs of freezing o