Master Flow® Whole House Fan 30"‑ Belt Drive Specs

      Master Flow® Whole House Fan 30"‑ Belt Drive Docs

      Master Flow® Whole House Fan 30"‑ Belt Drive Videos

      Why Master Flow® Whole House Fan 30"‑ Belt Drive?

      Pull cool, fresh air into your home and force hot, moist air out to help save on cooling costs. Includes 30” aluminum shutter and two-speed wall switch (rather than pull chain).

      Excellent Air Exchange icon


      Large 6,000 CFM airflow is perfect for homes up to 3,000 sq. ft. for great results
      Quiet Operation icon


      Belt drive helps isolate motor noise and vibration and comes with super-quiet automatic white ceiling shutters
      Efficient and Long Lasting icon


      1/3 hp permanent split capacitor design for added power and long life

      FAQs for Master Flow® Whole House Fans


      Still have a question about this product?

      Fill out a warranty or technical question form below and a member from our team will be in touch.

      Warranty QuestionsTechnical 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.