Surface area up to 1800 sq. ft. Control unit digital control unit Air flow 180 CFM. Type Standard Model Digital Ventilation System Installation Area Crawlspace. Dimensions H 30″, W 11″, D 7″ Weight 15 lbs. Electrical 34W Max / 115 V @ 60 Hz Equipped with a carbon monoxide detector No. Warranty 5-year limited warranty.