Big Attic Fan

An attic fan is what it sounds like it s a fan installed on the ceiling of your attic.

Big attic fan.

Ridge vents it s not a good idea to use a power vent fan if your house has a ridge vent since the fan will tend to draw in air from the ridge. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. However the utility of attic ventilation fans is actually quite a controversial topic. A powered attic ventilator has a different purpose.

How big of an attic fan do i need. A whole house attic fan is installed in the ceiling between the top floor and the attic as a supplement to air conditioning. Set your store to see local availability add to cart. It works by drawing hot humid air out of your attic and pushing it outside.

The department of energy recommends a fan powerful enough to change the air 30 to 60 times per hour but goes on to say it depends on climate floor plan and other factors. Humidity sensors are also available that cut the fan on if moisture in the attic becomes too high. It provides good attic ventilation in addition to whole house cooling. A smart attic fan features a built in thermostat and or humidistat that directly controls the motor speed based on the conditions in the attic.

Set the thermostat on your attic vent fan so that it cuts on between 100 and 110 f. Save 42 90 10 limit 10 per order. The downside of attic ventilation fans. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.

1150 cfm galvanized steel electric powered attic fan with adjustable thermostat model gf 14 386 10. It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air. Save 42 90 10 386 10. The rm 2400 s new motor is an absolute beast.

If you re talking about a whole house fan that s a difficult question. The rm 2400 is our biggest attic fan ever with an industry leading 35 watt solar panel that generates maximum energy for major air movement. Doe suggests consulting a professional. The smart attic fan is the first of its kind and is truly revolutionary for attic cooling and ventilation.

More options available. Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your. Our strongest motor yet. Good insulation reduces fan effectiveness.