Whole house fans, exhaust and ventilation fans and Indoor Air Quality

HV3400 R50 Insulated "Ghost" Whole House Fan SKU: TTi-HV3400 R50 Brand New! R50 Vacuum Insulated Panel (VIP) Doors Free Shipping**  Click here to see Tamarack Fans on "Ask This Old House"  - 2-Speed, Radio Frequency Remote Controlled, 3,400* cfm - Easy installation ! Sits on attic floor joist! - The only brand with R50 Insulated sealed doors ! - Includes white interior grille, 6' power cord and radio frequency remote control. - For engineered truss roof systems, please call prior to ordering.    For volume pricing call 800-222-5932.  Click here for product specifications  Click here for installation Manual    Click here to view remote control program guide. **Free UPS ground shipping within Continental U.S., all others call for quote.    - 3-year Warranty, Add an Extended warranty for 3 more years!  Not sure which fan to use for your home, click here or call for sizing information   - Installation instructions include an optional hard wire configuration for fan operation: Recommended controls are an SPST wall switch, or a non-digital spring wound mechanical timer. All other controls will void the product warranty. *CFM rates measured in a controlled test environment. Your results may vary due to building construction.  Have a PayPal account? Choose Bill Me Later and stretch your payment. Price:  $1,476.00 ea. Quantity  Would you like a 3-Yr. Extended Warranty?  No extended warranty, Thanks Yes, add 3-years to the existing warranty + $250.00