Thermal Spa Blankets Noel Disneyland Paris Mon blog Modaliza photographe. Thermal Spa Blankets Hot tub floating, insulating spa blankets help protect the most vulnerable area of your cover from rising heat, chemical fumes and moisture while also helping to maintain your water temperature. Our Thermal spa blanket is an energy saver that should more than pay for itself in reduced energy costs and additional cover life. Perfect for all above ground and in ground spas and hot tubs. Thermal Spa Blanket Features: Reduces heat loss due to evaporation by up to 95% Provides a layer of insulation in addition to your spa cover Helps prevent spa cover water absorption and loss of R Value Square shape, can be trimmed to fit most any spa with just scissors Protects your new cover while conserving heat Helps maintain spas water temperature Extra Thick Hot Tub Blanket