A $400 insulated hot tub cover cuts heat loss by 70% — dropping your solar needs from 15 panels to just 8! Always size your system AFTER the cover, not before. Watch the full 8-minute solar math for hot tubs on Watt By Watt!
#solar #hottub #shorts #solarpanels #energytips
#solar #hottub #shorts #solarpanels #energytips
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