Hot tub running costs depend on a number of factors, including the size and model of the hot tub you choose, the cost of electricity in your local area, and especially how well it is insulated. However, the running cost of an average hot tub is surprisingly low compared to other household bills. Why not use our very own energy calculator to find out how much it would cost you to run a hot tub – we guarantee you will be surprised at just how low hot tub costs can be.