1250 CFM Black Power Roof Mount Attic Fan
- Helps cool attics up to 2,200 sq. ft. in size
- Compact size with hemmed dome for a sleek look
- High efficiency motor with adjustable thermostat
- See More Details
Frequently Bought Together
Product Overview
Nothing protects quite like a roof.
Nothing protects quite like a roof. That's why millions of Americans live, work, and play under quality products from North America's largest roofing manufacturer - GAF.
How much Ventilation do I need?
Include 1 sq. ft. of attic ventilation, evenly split between intake and exhaust, for every 300 sq. ft. of attic floor space.
What type of Ventilation do I need?
Review the ventilation options below to determine the best fit for your home application.
High efficiency Electric, Solar or Hybrid
Quickly removes large volumes of heat and moisture from your attic.
No electricity required
Allows excess heat and moisture to escape your attic without the need for electric hook-up.
Wind-powered, smooth, and quiet operation
Utilizes the wind to pull heat and moisture from attic; acts as a static exhaust vent when wind is still.
The most overlooked and critical part of attic ventilation
Allows cooler, fresh air to enter the attic at/near the soffits driving heat and moisture out higher exhaust vents.
5 Warning Signs
Here are some poor attic ventilation warning signs that you may recognize:
1. Increased energy costs
Excess attic heat can cause your cooling system to work harder, raising your energy costs.
2. Curling/cracking shingles
Inadequate ventilation can cause your roof shingles to curl and crack.
3. Roof decking moisture
Excess attic moisture can drip into attic insulation reducing effectiveness, even damaging ceilings below.
4. Attic mold/mildew
Excessive moisture can cause dangerous mold and mildew causing additional concerns.
5. Winter ice dams
Ice dams can cause expensive leaks and damage in attics, as well as living spaces.
- Energy efficient uses up to 55% less electricity than typical competitor's vents (based on GAF testing at 120-Volt)
- Helps reduce energy costs and helps prolong the life of the roof and shingles
- Galvanized steel construction for durability
- Excellent for roof slopes 3:12 to 12:12
- Heavy-duty internal screen helps prevent animal infestation
- UL Listed
- Miami-Dade County Product Control approved, State of Florida approved, and meets or exceeds the requirements of Texas Department of Insurance
- Optional humidistat available (H1) - sold separately
Info & Guides
Product Overview
- Helps cool attics up to 2,200 sq. ft. in size
- Compact size with hemmed dome for a sleek look
- High efficiency motor with adjustable thermostat
Compare Similar Power Roof Vents
| |  |  | |
| Brand | Master Flow | Master Flow | Master Flow | Master Flow |
| Name | 1000 CFM Mill Power Roof Mount Attic Fan | 1250 CFM Black Power Roof Mount Attic Fan | 1250 CFM Brown Power Roof Mount Attic Fan | 1500 CFM Shingle Match Weathered Wood Power Roof Mount Attic Fan |
| Price | $7800 | $9800 | $9800 | $12400 |
| Ratings | (124) | (113) | (113) | (206) |
| Power Type | Electric Powered | Electric Powered | Electric Powered | Electric Powered |
| Features | Built-in Screen,Thermostat Controlled | Thermostat Controlled | Thermostat Controlled | Adjustable Thermostat,Built-in Screen,Paintable |
| Intake/Exhaust | Exhaust | Exhaust | Exhaust | Exhaust |
| Ventilation Type | Roof | Roof | Roof | Roof |
| Material | Galvanized Steel | Galvanized Steel | Galvanized Steel | Galvanized Steel |
| Rough Opening Width (In.) | 15 | 15 | 15 | 15 |
| Rough Opening Height (In.) | 15 | 15 | 15 | 15 |
| Mounting Position | Roof Mount | Roof Mount | Roof Mount | Roof Mount |
| View Product | View Product | View Product | View Product |
Compare Similar Power Roof Vents
| | | | |
| Brand | Master Flow | Master Flow | Master Flow | Master Flow |
| Name | 1000 CFM Mill Power Roof Mount Attic Fan | 1250 CFM Black Power Roof Mount Attic Fan | 1250 CFM Brown Power Roof Mount Attic Fan | 1500 CFM Shingle Match Weathered Wood Power Roof Mount Attic Fan |
| Price | $7800 | $9800 | $9800 | $12400 |
| Ratings | (124) | (113) | (113) | (206) |
| Power Type | ||||
| Features | ||||
| Intake/Exhaust | ||||
| Ventilation Type | ||||
| Material | ||||
| Rough Opening Width (In.) | ||||
| Rough Opening Height (In.) | ||||
| Mounting Position | ||||
| View Product | View Product | View Product | View Product |
Key Features
Nothing protects quite like a roof.
Nothing protects quite like a roof. That's why millions of Americans live, work, and play under quality products from North America's largest roofing manufacturer - GAF.
How much Ventilation do I need?
Include 1 sq. ft. of attic ventilation, evenly split between intake and exhaust, for every 300 sq. ft. of attic floor space.
What type of Ventilation do I need?
Review the ventilation options below to determine the best fit for your home application.
High efficiency Electric, Solar or Hybrid
Quickly removes large volumes of heat and moisture from your attic.
No electricity required
Allows excess heat and moisture to escape your attic without the need for electric hook-up.
Wind-powered, smooth, and quiet operation
Utilizes the wind to pull heat and moisture from attic; acts as a static exhaust vent when wind is still.
The most overlooked and critical part of attic ventilation
Allows cooler, fresh air to enter the attic at/near the soffits driving heat and moisture out higher exhaust vents.
5 Warning Signs
Here are some poor attic ventilation warning signs that you may recognize:
1. Increased energy costs
Excess attic heat can cause your cooling system to work harder, raising your energy costs.
2. Curling/cracking shingles
Inadequate ventilation can cause your roof shingles to curl and crack.
3. Roof decking moisture
Excess attic moisture can drip into attic insulation reducing effectiveness, even damaging ceilings below.
4. Attic mold/mildew
Excessive moisture can cause dangerous mold and mildew causing additional concerns.
5. Winter ice dams
Ice dams can cause expensive leaks and damage in attics, as well as living spaces.
Specifications
Dimensions
Details
Warranty / Certifications
Questions & Answers
Does this plug into an outlet in the attic on the joise?
Asked by Art December 18, 2020This product must be hardwired to your house electrical system. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Do I need to purchase anything else with this or is it a complete set for a new set up?
Asked by Tony July 5, 2020You will need some caulking and maybe some roofing nails long enough to go through however many roofing layers you have and into the sheathing.
Does it have a thermostat to control the motor?
Asked by Todd May 1, 2016yes
I have installed a new roof and the fans came as well. One fan runs almost constantly and the el...
Asked by cdl April 13, 2018Our thermostats are designed to operate until they reach a set temperature. If you set your desired setting 105 degrees F (recommended), the fan will operate until the temperature in your attic is 5-7 degrees below the device setting (98-100) before shutting off. If the temperature is set to lo (70-80 degrees) it may never turn off depending on the outside temperature being pulled in the attic. If the air temperature is 75-80 degrees during the summer months, the lower setting my no be achieved and the fan will continue to operate.
Is this okay if you get snow
Asked by Twothumb July 5, 2019Yes had mine for two years now it’s fine
I am replacing two existing, but not working, vents. My house is single story 2200 sq ft. Will ...
Asked by mikec August 18, 2017I think from your description that you plan to install two fans. the combined CFM would be 2500 CFM but the kicker is how much eave vent area do you have to replace the air being removed from the attic. If you don't have enough vent area to replace the air the fan is trying to remove you will be placing a burden on the fans and making them work harder and possibly wear them out sooner. They make lesser CFM fans that you may want to consider.
It states it has an internal heavy duty screen to prevent animal infestation. Would this screen a...
Asked by Jaime August 4, 2017The screen is 1/4 mesh screening. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
How loud is the fan while running? Do you notice when it switches on?
Asked by James July 10, 2017Normally, you cannot hear this turn on or run from inside your house. I have mine directly over my master bedroom and I can't hear it. Note that when I first got it, it was out of balance and was very noisy. I had to balance the fan blades to fix this.
IS THIS A SOLAR FAN
Asked by Terry August 13, 2020No, this is an electric fan that runs off of typical house voltage. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Is the black wires with the cap the ground
Asked by vra111 June 2, 2017The black wire with the cap is a hot wire going to the thermostat. It shouldn't be uncapped. There is a ground lug inside the housing for the ground wire.
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