Are gable attic fans worth it?
Are gable attic fans worth it?
Attic fans do really work. They will help to circulate air in your attic and ventilate the space so that it stays closer to the outside temperature. Attics can reach extremely high temperatures in hot, summer months and gather an excessive amount of moisture in the winter. Attic fans will help fight these problems.
How do you size a gable attic fan?
So simply put, the size of an attic fan is calculated by multiplying the square feet area of the attic floor by 0.7. This number is further multiplied by 1.2 for a steep roof and 1.15 for a dark roof. This final number gives the CFM required for the attic fan for that particular attic.
How do I choose an attic fan?
Attic fans are categorized by CFM (cubic foot per minute), a measure of how much air can be moved per foot, per minute. The size of your attic will determine the CFM required for proper air exhaust. To determine your attic size, multiply the width by the length of the attic floor and multiply the two.
Are attic fans a waste of money?
Some of it will come from the soffit vents, and some will come from attic air leaks. If you have problems with ice dams, a LOT of air will come from attic air leaks. This means you’ll actually be sucking warm air IN to your attic. Don’t waste your money on an attic fan.
Are gable fans Effective?
Even if your roof already has ridge vents and plenty of ventilation built in, it’s a good idea to install gable fans or roof fans to help blow hot, humid air out of the attic. Attic ventilation fans also tend to be quite energy-efficient in terms of their own operation.
How do I cool down my attic?
Best Way to Cool an Attic
- Install an Air Conditioning Unit.
- Seal the Cracks and Gaps.
- Upgrade the Insulation.
- Add Ventilation for Improved Circulation.
- Install Radiant Barriers.
- Install an Attic Fan.
- Add Reflective Roofing.
How big of a gable vent do I need?
Typically you want a vent area of one square foot for every 300 square feet of attic space. When dividing, round up to the next whole number. In the example, you want 3 square feet of vent area.
How do you size a gable fan?
Take the number of square feet in your attic and multiply it by 0.7. For example, if your attic is 500 square feet, you would multiply that by 0.7 and get 350. The number you get, 350 in the example, is the CFM (cubic feet per minute) minimum fan rating that you’ll need in an exhaust fan.
What is a gable attic fan?
Gable-Mounted Attic Fans: Like a roof-mounted attic fan, a gable fan is a fan you install in your home’s attic to help ventilate it. They help decrease wear on your attic’s materials while decreasing the ambient temperature, helping to bring your electric bill down.
Does an attic fan use a lot of electricity?
Attic fans are incredibly efficient. They use a fraction of the electricity your air conditioning system uses. They also decrease your need for air conditioning, which lowers your monthly utility bills.
How do I get hot air out of my attic?
Install electric ventilators and attic fans, which remove hot air from an attic. They have thermostats that turn the fan on at a recommended preset temperature of 100-110 degrees. Alternatively, install passive vents such as gable, soffit and ridge vents, which are openings in the roof that allow hot air to escape.
Can I put a regular fan in my attic?
A box fan sucks air from its back and propels it forward. This makes it well suited to substitute for an attic fan, and you can install it yourself. No extensive remodeling of the attic must be done, since you will be able to use an existing attic vent.
What is the best rated attic fan?
Reviews on 10 Best Attic Fans of 2019 1. Broan 355BK120-Volt Powered: Best Roof Mounted Attic Fan. 2. Air Vent Gable Attic Ventilator 53315: Best Whole House Attic Fan. 3. Iliving ILG8G14-12T Gable Attic Ventilator: Best Electric Attic Fan. 4. Cool Attic CX242DDWT Drive 2-Speed: Best Quiet Attic Fan.
Are attic fans good or bad?
Attic Fans Good or Bad. If you have an attic, then you already know the answer to this question. Attic fans are necessary for keeping your home cooled during summer months and also to help prevent the growth of mold and mildew.
What is the best attic vent?
The soffit-to-ridge vent is one the most effective attic ventilation systems available. Cool air enters through vented soffit panels under the eaves , working its way up to the attic by way of a baffle system.
Where is the thermostat on an attic fan?
Mount the thermostat in the attic. Ideally, the thermostat should be mounted to a rafter along the wiring path and away from the draft of the fan.