When in doubt, remember that saturated cover insulation makes for a poor insulator. 3. Look for Damaged Hinges, Hot Tub Cover Lifters, and Other Hardware Malfunctions "Inspecting the hardware and ...

Just look for an efficient tub with good insulation, a sturdy cover and a dual-pump system. When shopping around for an efficient hot tub, look for a well-insulated model with a high R-value.