Solar-powered hot tubs are more environment friendly than electric or gas driven hot tubs. Instead of having to wait for the sun to emerge & heat up your water, there’s solar equipment that lets you stock the heat that’s solar-generated, in order to be employed afterward when you wish to relish the hot tub. Though this’d be an upfront expenditure, the payoff is huge. The overall cost savings that a solar hot tub gives, far outweigh the requirement for electrical energy or propane gas.