How much does it cost to run a hot tub, spa, or swim spa? This is not an easy question to answer, as there are many variables to consider, such as: the temperature outside, how much the spa is being used, how the spa has been installed, and the quality of the spa.
For example, a poorly made spa pool in a cold climate will cost more to operate than a high-quality spa pool in a warm climate that is used less frequently and installed on a concrete pad. In fact, depending on things like location, the quality of spa and the local climate – a spa can cost as little as 30-40 cents per day to operate, or as much as $4-5 dollars per day!
Watch: The most energy efficient spa pool (Insulation, running costs and more)