GAF
Master Flow Solar Powered Roof Vent 525 CFM
Master Flow Solar Powered Roof Vent 525 CFM
SKU:ERVSOLAR
Est Delivery between 6th Feb and
12th Feb.
How much will I need?
We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project
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Product Information
The GAF Master Flow 15-Watt Solar Powered Roof Mount Attic Fan will help remove excess heat and moisture from your attic to protect your roofing system from premature deterioration. The Solar Powered fan requires no wiring, uses no electricity, and works with your existing intake vents to help lower the temperature in your attic. The 24-Volt DC brushless motor provides airflow up to 525 CFM and requires no maintenance.
The impact-resistant, 15-Watt solar panel has a tilt and swivel design to provide ideal sun exposure. Recommended usage for this unit is 1 unit per 800 sq. ft. of attic space with a minimum intake ventilation of 240 sq. in. of net free area.
Browse Other GAF Solar Powered Roof Vents

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The Master Flow Solar/Electric Roof Mount Exhaust Fan cools your home with an energy-efficient motor. It features an adjustable thermostat, a low-profile design and dual-power technology, so it can run on solar or house power.
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Master Flow Power Green Machine - Dual Powered Roof Vent 500/750 CFM
The GAF Master Flow 15 Watt Dual-Power Hybrid Solar/Electric Roof Mount Exhaust Fan will help reduce excess heat and moisture from your attic to protect your roofing system from premature deterioration. The Dual Powered unit will run on free solar power (525 CFM) when the sun is shining on the solar panel but will automatically switch to house power (750 CFM) if it is cloudy or nighttime. Hot attic air is removed by the fan as fresh air is drawn in through your existing intake vents.
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Master Flow Solar Powered Gable Vent 500 CFM
This Master Flow Solar-Powered Gable Mount Attic Fan uses no electricity to cool your home. With an airflow up to 685 CFM, this fan is ideal for attics up to 800 sq. ft. The included solar panel is 15-W with a 10-ft. cable and tilt-face, so you can install it right in sunlight to power the fan.
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Master Flow Solar Powered Roof Vent 500 CFM
The GAF Master Flow 15-Watt Solar Powered Roof Mount Attic Fan will help remove excess heat and moisture from your attic to protect your roofing system from premature deterioration. The Solar Powered fan requires no wiring, uses no electricity, and works with your existing intake vents to help lower the temperature in your attic. The 24-Volt DC brushless motor provides airflow up to 525 CFM and requires no maintenance.
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Key Features:
- No wiring required - uses no electricity
- ETL Listed
- Solar powered, operates ONLY in direct sunlight
- No battery back-up - runs ONLY when panel is in direct sunlight
- Environmentally friendly operation - Solar!
- Panel adjusts up to 45°
- Excellent for roof slopes 3:12 to 12:12
- Heavy-duty internal screen helps prevent animal infestation
Pros & Cons
Pros- Solar-powered operation for eco-friendly, cost-effective ventilation
- High airflow capacity of 525 CFM, suitable for attic spaces up to 800 square feet
- Durable and weather-resistant due to its galvanised material construction
- Includes a filter for clean, dust-free air circulation
- Accommodates a wide range of roof slopes, providing versatility for different roof designs
- Easy to install with a 15-inch opening size
- Helps to maintain a comfortable indoor environment and potentially extends the lifespan of the roof
- May not be suitable for larger attic spaces exceeding 800 square feet
- Requires a roof slope between 2:12 to 12:12, which may not fit all roof designs
- Dependent on solar energy, which may limit its efficiency during cloudy or rainy days
Frequently Asked Questions
The GAF - Master Flow Solar Powered Roof Vent has an airflow capacity of 525 Cubic Feet per Minute (CFM).
This roof vent is designed to effectively ventilate an attic space of up to 800 square feet per vent.
The vent is engineered with a 25-inch width and length, and a rough opening width and length of 15 inches.
The vent is constructed from galvanised material, ensuring durability and resistance to weather elements.
Yes, the vent comes with a filter, ensuring clean, dust-free air circulation within your attic space.
The vent is designed to fit a roof slope ranging from 2:12 to 12:12, providing versatility for different roof designs.
Yes, the vent is easy to install with an opening size of 15 inches.
This vent is designed to provide efficient ventilation, reducing heat build-up in the attic during summer and preventing moisture accumulation during winter. This helps to maintain a comfortable indoor environment while potentially extending the lifespan of your roof. The vent's solar-powered operation also contributes to energy savings.
Technical Specifications
Attic sq, ft, / vent | 800 |
Cfm | 525 |
Length | 25 In |
Material type | Galvanized |
Mount | Roof |
Opening size | 15 In |
Rough opening length | 15 In |
Rough opening width | 15 In |
Shape | Round |
Slope | 2:12 - 12:12 |
Style | Power |
Width | 25 In |
Delivery Information
Est Delivery between 6th Feb and
12th Feb.
Delivery will always take place on a weekday (Mon - Fri excl. public holidays).
An exact shipping charge will be calculated at checkout based on your order and location.
For more information on shipping view our delivery info page.
Frequently asked questions
Can you help me pick the right insulation for my project?
Yes, of course!
Our team is ready to assist you with any questions and queries you may have.
Just reach out to us via any of the following methods:
Call us: 786-224-0029
Email us: sales@4us-group.com
or click the Livechat tab at the bottom of your screen.
How do I track my order?
As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.
If you require an update on your order, you can email deliveries@4us-group.com with your order number for assistance.
Can I order now and pay later?
Yes, we offer a variety of flexible payment options to all our customers.
When checking out online, you'll be able to avail of multiple buy now, pay later options with ShopPay, Klarna or PayPal.
The flexible payment options available to you at checkout will be based on the total value of your order.
For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:
- Dedicated trade pricing
- Loyalty points and rewards
- A dedicated account manager
I have a large-scale project, can I get a quote?
Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@4us-group.com with the following information and we will get back to you with your very own bespoke price quote:
- Delivery postcode and address
- Mobile number
- Company name
- A list of required materials and their quantities
Can I open a pro contractor account?
Yes! Pro contractors can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.
You can learn more here: Open a pro contractor account
Can I cancel or amend my order after placing it?
Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.
Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.
Contact us immediately via sales@4us-group.com or call 786-224-0029 during opening hours.
If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.
Read more: Returns