• Brand: AirScape
Vent fresh air through an entire house with AirScape's Sierra 4300 whole house fan. AirScape's flagship model features precision motorized damper doors with R-49 insulation. Big and powerful, yet ultra-quiet and efficient. The AirScape Sierra delivers stealthy whole house ventilation, pushing hot air out through existing attic vents, and drawing cool evening air in through open windows. The Sierra 4300 midsize unit generates up to 4300 CFM, for homes up to 3500 square feet. Package includes 4300 fan unit, powered AirLock damper box, 20" diameter accoustic ducting, Digital Touch Controller, 24.5" x 28.5" grille, CAT5 cabling and other installation accessories.