You can therefore estimate that a hot tub with a 120-volt heater will consume 3,000 watts while in use, and one with a larger heater will consume 7,500 watts. These wattages translate into 3 kilowatt-hours (kWh) and 7.5 kWh, respectively.
Are pop up hot tubs worth it?
Though they might not have all the fancy features of the more expensive portable spas on the market, inflatable hot tubs still offer an economical way to enjoy a warm, bubbling soak at the end of a long, hard day. If you're ready to "test the waters" of spa ownership, there's no better way to get started!