It may not be A/C. A pool with a single speed pump plus an in-ground hot tub could conceivably run between four and five hundred bucks a month for heating. Of

It may not be A/C. A pool with a single speed pump plus an in-ground hot tub could conceivably run between four and five hundred bucks a month for heating. Of course if that's the case he could save a couple hundred bucks a month by installing a solar heating system and a two speed pump.