Master Flow® Whole House Fan 24"‑ Direct Drive Specs

      Master Flow® Whole House Fan 24"‑ Direct Drive Docs

      Master Flow® Whole House Fan 24"‑ Direct Drive Installation & Assembly Videos

      Why Master Flow® Whole House Fan 24"‑ Direct Drive?


      Pull cool, fresh air into your home and force hot, moist air out to help save on cooling costs. Includes 24” aluminum shutter and 2-speed pull-chain switch.

      Great Air Exchange icon

      GREAT AIR EXCHANGE

      Large 4,500 CFM airflow is perfect for homes up to 2,500 sq. ft. for great results
      Convenient icon

      CONVENIENT

      2-speed pull-chain switch controls operation (no wiring through walls required)
      Efficient and Long Lasting icon

      EFFICIENT & LONG LASTING

       1/4 hp permanent split capacitor design for added power and long life

      FAQs for Master Flow® Whole House Fans

       

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      Warranty Questions   Technical Questions



       


      See Master Flow® Powered Ventilation Products Limited Warranty for complete coverage and restrictions.
      Visit the Attic Ventilation Calculator for details.



      Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.

      Where to buy

      Find a GAF distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.