calculating costs of a spa
It's not that expensive to run a spa. What you fail to realize is that
there is very little heat loss on spas. I work at a retail spa outlet
and it costs about $1/day to run a hot tub (not including chemicals)
and depending on the insulation. Ours are insulated around the
cabnetry which offers better heat retention than the foam on the bottom
of the tub.
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