Default WHIRLPOOLS are insulated with polyurethane foam and the inner side of the shell. For an additional cost insulation for outdoor use. Insulated Sheathing as well as hot tubs and bottom. With this heat is Used to create a runtime engines. This heat is used to The Further heat the interior of WHIRLPOOLS. Our insulation is so good That only the circulation pumps without heater Itself Heats the hot tub and the water temperature rises in the whirlpool goes without heating.

Manufacturers Used the spas and hot tub with polyurethane foam insulation or a special aluminum foil with an insulating liner.