You can't beat hard facts to make the right decision for you.
Since there have been references to savings with solar attic fans some might find this data from a guy with powered attic fans and some cool technology to monitor useage.
In 2019 my attic fans ran a total of 213 hours. They often ran after dark (when a solar fan would not) they are thermostatically controlled. An average home improvement store fan would of used $9.18 annually at current SECO rates.
So, it might not be worth the premium for solar fans, in fact it is not.
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