This item cannot be shipped to the following state(s): GU,PR,VI
The Ventamatic Solar Powered Gable Ventilator with 12.6-Watt 18-Volt DC Motor has no energy costs. It has a 12.6-Watt multi-Crystal panel. It can handle up to 1,000 CFM with additional solar panel. It is designed for attics up to 1,500 square feet. There is no wiring to the AC main power source.