What does a roof mounted power attic ventilator do?

A roof mounted power attic ventilator helps exhaust hot, trapped air from the attic and pull cooler outside air in through soffit or under-eave vents. By improving attic airflow, a power attic ventilator can help reduce heat buildup, support better home comfort, and help protect roofing materials from excess heat and moisture.

Do attic vent fans really work?

Yes, attic vent fans can work well when they are properly sized and paired with enough intake ventilation. A roof mount power attic ventilator is designed to move hot air out of the attic so cooler air can enter through intake vents. This can help lower attic temperatures and reduce the strain caused by trapped heat during warmer months.

How do I know what size attic ventilator I need?

To size an attic ventilator, start with the square footage of the attic and compare it to the ventilator’s rated coverage area and CFM. Maxx Air roof mount power attic ventilators are available in models designed for different attic sizes, including spaces up to approximately 1,200, 1,500, 1,600, 1,700, 2,000, and 2,400 square feet. Choosing the correct size helps ensure the fan can move enough air without being underpowered or oversized.

How do roof mount power attic ventilators turn on and off?

Many roof mount power attic ventilators operate with a thermostat, humidistat, or thermostat/humidistat control. The fan turns on when the attic reaches the set temperature or humidity level and turns off once conditions improve. This helps the attic ventilator run only when needed instead of operating continuously.

Do roof mount power attic ventilators need soffit vents?

Yes, roof mount power attic ventilators need adequate intake ventilation to work properly. Soffit vents or under-eave vents allow cooler outside air to enter the attic while the ventilator exhausts hot air through the roof. Without enough intake airflow, the fan may not ventilate the attic as effectively.

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MOISTURE BUILD-UP

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Stagnant, damp air is a welcome home for insects and rodents, who can easily damage insulation and wiring
POOR AIR QUALITY

Poor ventilation can create a space that not only smells musty, but can foster mold and mildew which can spread to items stored in your shed

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Compatible with a variety of roof types

Asphalt Shingle
Wood Shake
Metal
Slate

EASY TO INSTALL

Our solar roof fans are factory assembled with zero wiring required! Follow along with our included illustrated manual for a seamless install from start to finish.

FREE TO OPERATE

Our solar fan doesn't use any alternate AC power, so once it's set up, you'll never see an energy bill.
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We use a heavy-duty steel dome and a premium dust- and water-resistant motor to ensure your fan has a long usable life.
ULTRA QUIET

Manufactured for quiet operation so your backyard remains an undisrupted oasis.

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1-YEAR WARRANTY

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MORE THAN AIR

A U.S. COMPANY - TRUSTED SINCE 1948.
Maxx Air products ship from the heart of Mineral Wells, Texas. Our trusted team has been developing quality ventilation products since 1948.