Are electric attic fans Effective?
Based on our industry experience, the answer is, yes. 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.
How many CFM do I need for attic fan?
Most manufacturers recommend sizing an attic fan at 2 to 3 CFM (cubic feet of air per minute) per square foot of living space.
How much does it cost to install an electric attic fan?
Attic fan installation costs an average of $596. Most homeowners can expect to pay between $369 and $877. Depending on the quality of the unit you choose, location, and add-ons, the project can run as little as $200, or as much as $1,300.
How do I remove heat from 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.
Do you still need an attic fan when you have a ridge vent?
An attic fan isn’t recommended if you have ridge vents. In this scenario, the attic fan will draw cool, conditioned air out of your house and raise your A/C bill. It could also stop hot air from exiting through the ridge vent and pull in rainwater during a storm, which can eventually make your attic leaky or moldy.
How do you tell if your attic is properly ventilated?
How to determine whether you need better attic ventilation
- Look at your eaves and roof.
- Touch your ceiling on a warm, sunny day.
- Thick ridges of ice on your eaves in winter are a sign of poor attic ventilation.
- Warm air that escapes living space also carries moisture that will condense on rafters or roof sheathing.
Who typically installs attic fans?
An electrician, a handyman or an HVAC installer is able to install an attic fan as well. Any of these professionals may charge a fixed installation price or an hourly rate. If they charge an hourly rate, expect to pay between $45 and $80 per hour in labor costs.
Can a hot attic cause a fire?
As heat rises, attics are already hot places, especially in the summer when the temperature outside skyrockets. Your heating, ventilation, and cooling (HVAC) may become overheated and catch fire because of the excessive heat.