Centric Air 3.4(R5) Ultra Quiet & Energy Saving Whole House Fan | R-5 Insulated Damper | 2-Speed Wall Switch & Timer with Temp Control | 3242 CFM HVI-916 Certified Airflow Rating | 2- Story Homes to 3400 Sqft & 1-Story to 2400
- ...LTRA ENERGY EFFICIENT AND BUILT TO LAST. The German made fan motor is rated for 40,000 hours of operation and provides 30% more power and uses 1/3 less energy than other industry standard fans. It uses 382 WATTS of power and comes with a 15-year fan motor warranty..
- The R-5 gravity damper is designed to seal off the attic from the living space whenever the system is not in use..
- The CentricAir 3.4 whole house fans deliver a powerful (3242 CFM HVI-916 Certified Rating) and requires about four square feet of attic ventilation. When comparing CFM ratings always ask for the HVI-916 certified airflow rating. All other CFM ratings are whatever the manufacturer makes up..