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25-Watt Next-Generation - High-Efficiency Hybrid Solar/Electric Powered Roof Mount Exhaust Fan

$47986
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  • Dual power technology – auto switches from solar to house power
  • Ultra-high efficiency when using house power
  • Runs day or night unlike traditional solar models
  • View More Details
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$47986

Product Overview

Breathe easier on a hot day with this Master Flow roof-mount exhaust fan. Made for attics up to 1,000 sq. ft., it offers an installed height of seven inches for a low-profile design. This fan automatically switches from solar to house power, and dual-power technology enables thermostat adjustment.
  • Adjustable thermostat with dual-power controller
  • 120V AC connection required
  • Florida Building Code, Miami/Dade County approved and Texas Department of Insurance listed
  • ETL listed (US and Canada)
  • 7-in. installed height, low-profile design
  • Extremely efficient motor design
  • Residential energy efficient property tax credit eligible

Additional Resources

From the Manufacturer

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25-Watt Next-Generation - High-Efficiency Hybrid Solar/Electric Powered Roof Mount Exhaust Fan
15 Watt Next-Generation - High-Efficiency Hybrid Solar/Electric Powered Roof Mount Exhaust Fan800 CFM Solar Powered Roof Mount Exhaust Attic Vent
BrandQuietCoolMaster FlowMaster FlowAir Vent
Name40-Watt Hybrid Solar/Electric Powered Roof Mount Attic Fan with Included Inverter25-Watt Next-Generation - High-Efficiency Hybrid Solar/Electric Powered Roof Mount Exhaust Fan15 Watt Next-Generation - High-Efficiency Hybrid Solar/Electric Powered Roof Mount Exhaust Fan800 CFM Solar Powered Roof Mount Exhaust Attic Vent
Price
$36900
$47986
$50063
$77455
Ratings
(147)
(25)
(1)
(14)
Power TypeHybrid (Solar/Electric) PoweredHybrid (Solar/Electric) PoweredHybrid (Solar/Electric) PoweredSolar Powered
FeaturesAdjustable Solar Panels,Built-in Screen,Built-in Thermostat,Corrosion Resistant,Thermostat Controlled,Weather ResistantAdjustable Thermostat,Built-in Screen,Fixed Solar PanelsAdjustable Solar Panels,Thermostat ControlledAdjustable Solar Panels
Ventilation TypeRoofRoofRoofRoof
Rough Opening Width (In.)0151514.5
Intake/ExhaustExhaustExhaustExhaustExhaust
Mounting PositionRoof MountRoof MountRoof MountRoof Mount
Wattage (watts)40251510
Rough Opening Height (In.)0151514.5
MaterialGalvanized SteelResinGalvanized SteelGalvanized Steel
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Questions & Answers

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Customer Reviews

  • 3.8
    out of 25 reviews
  • 56%recommend this product
Filter by:
Showing 1-10 of 25 reviews
Fan works but makes humming noise
The fan works great both on solar and on electricity. My attic is much cooler now. my only complaint is that the fan makes a bit of humming noise when it's running on solar power. How loud? I can definitely hear it when I'm in the attic or on the roof, and barely if I'm inside the house directly below it. someone with sensitive ears may find it annoying.
by
Response from Master FlowMar 17, 2022
Thanks for the feedback. Glad you were satisfied with your Master Flow purchase. MasterFlow
    3 found this review helpful
    All I have dome is test the fan .It worked great . We will be having it installed in a month or so .
    All I have dome is test the fan .It worked great . We will be having it installed in a month or so .
    by
    • Verified Purchase
    • Recommended
    The attic is not as hot anymore and my electric...
    The attic is not as hot anymore and my electric bill has decreased.
    by
    Response from Master FlowSep 15, 2022
    Thank you for the feedback. Glad you were satisfied with your Master Flow purchase. MasterFlow
    • Verified Purchase
    Low volume
    Very noisy whistles would like to return
    by
    Response from Master FlowAug 26, 2022
    Please contact our Technical Service Department at 800-211-9612 or warrantyllbp@gaf.com, we would like to help with your situation. MasterFlow
    • Verified Purchase
    1 found this review helpful
    by
    • Verified Purchase
    Works great
    Works very well-quiet on both solar and AC-nice look on the roof.
    by
    Response from Master FlowJun 2, 2022
    Thank you for the feedback. Glad you were satisfied with your Master Flow purchase. MasterFlow
      • Recommended
      Makes noise when switching to solar
      It is quiet when full sun or full shade, but when it’s partly cloudy it makes a disconcerting sound similar to drilling into wood- squeaky and loud. The manufacturer said it’s fine. Does anybody else have this problem?
      by
        2 found this review helpful
        Works great in sunlight but when none switches to AC...
        Works great in sunlight but when none switches to AC
        by
          1 found this review helpful
          by
          • Verified Purchase
          1 found this review helpful
          Easy to install and works great, very quiet. Keeps...
          Easy to install and works great, very quiet. Keeps the attic cool, moves air well.
          by
          • Verified Purchase
          Showing 1-10 of 25 reviews