Centric Air 2.7A Whole House Fan Includes Two Speed Wireless Remote Control With Timer and Power Actuated Cold Climate Damper TIRED OF SKY HIGH ELECTRIC BILLS DURING THE SUMMER? - Install a CentricAir Whole House Ventilation fan and cut your air conditioning bill by 50-90%. If you live in an area with hot days and cool nights, stop throwing money away on air conditioning and save money by drawing in the cool night air to your home. Very Quiet and Maintenance Free - 15 Year Warranty Insulated Cold Weather Damper & 2-Speed HI/LOW Remote Control with Timer Included Energy Efficient - Reduce Home A/C Costs No Framing - Easy Installation Fits between 16" and 24" On-Center Joists