Table of Contents
A licensed electrician can ensure that all aspects of your project will be completed correctly. Your pro will help you choose a standard attic ventilation fan, assess your intake and exhaust ventilation, run wiring, make sure exterior installations are weatherproof, and set your fan’s controls and thermostat properly.
Is it hard to install an attic fan?
Simply cut an opening in the roof, typically near the peak, and install the fan over the opening. Then shingle above and around the flashing just as you would for a standard roof vent or plumbing stack. In our case, we chose a gable-wall fan that was slightly easier to install because no shingles had to be disturbed.
Who should install an attic fan?
Who installs attic and whole house fans? Depending on your specific situation, you may require more than one professional contractor. A roofer should add the roof-mounted systems. A carpenter can make necessary structural modifications needed to place gable-mounted and whole house systems.
How long does it take to install an attic fan?
Labor. For roof and roof ridge-mounted attic fans, you’ll need a local roofing expert who’ll generally charge between $45 and $75 per hour. Simple installations should take roughly two hours, so expect to pay between $90 and $150.
Can I install an attic fan myself?
Do-It-Yourself Attic Fan Installation Instructions. To save time, use an existing roof or gable vent to install your new attic fan. This way you don’t have to cut a brand new hole, but simply make the hole for the vent larger so it can accommodate the fan.
Do roofers install attic fans?
Do Roofers Install Attic Fans? Roofers do install attic fans. Actually, it’s a good idea to hire a roofer to do it because the installation will require cutting a hole in the roof itself. Once the fan is installed, the area has to be sealed, and new shingles and other roofing materials may have to be added.
Are attic fans a good idea?
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.
What size attic fan would an electrician need for a 1500 square foot home?
Attic fan size chart for quick reference Attic floor area Recommended attic fan size 1000 sq.ft 700 CFM 1500 sq.ft 1050 CFM 2000 sq.ft 1400 CFM 2500 sq.ft 1750 CFM.
How much does it cost to install attic vents?
The national average cost to install an attic vent is between $300 and $550, with most people paying around $475 for the installation.
How much does it cost to run attic fan?
Prices for electric attic fan kits average $70-$300, with operating costs of about $2-$3 a month; a humidistat (which activates the fan if it senses excess moisture inside the attic) adds another $90-$150.
What’s the difference between an attic fan and a whole house fan?
Attic fans are quite different. They’re installed up on a roof or through an exterior wall up in an attic. Whole-house fans need windows and doors open and attic fans need lots of soffit vents to suck cooler outdoor air up into the hot attic. Without this open space, the fans will not move much air.
Do you run an attic fan in the winter?
Your attic fan runs during winter regardless of the temperature to bring in dry outside air to replace damp attic air and prevent mold from starting in your attic. Your Jet Fan Attic Fan Humidistat should be set to 70 -75% relative humidity.
What is the purpose of an attic fan?
Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents (soffit and gable) and pushing hot air to the outside.
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.
How many attic fans do I need?
The general rule of thumb in these situations is of roughly one vent per every 300 square feet of attic area if the attic has a vapor barrier. If not, there should be one vent for every 150 square feet. You will need to have 1 square foot of vent area for every 150 square feet of attic space.
How much does it cost to replace an attic fan motor?
Whole House & Attic Fan Repair Costs Replacing a broken motor will cost about $125 for an attic fan and between $50 and $100 for a whole house model. Professional installation will run an added $80 to $100 per hour. An attic fan is installed at the roof level of your home and regulates heat by exhausting hot air.
Should attics be vented?
When done correctly, attic venting can reduce the potential for condensation in winter and summer. During winter, the primary cause of attic moisture issues stem from warm moist air infiltrating into the attic space from the inhabited areas and condensing on cold surfaces.
How long do attic fans last?
Typically, attic fans have a lifespan of up to 15 years as long as they are properly maintained. This usually involves having the attic fan professionally serviced by an HVAC technician who will clean the fan shutters, lubricate the oil ports, and wash the fan blades as well as inspect the unit for any repairs needed.
What type of attic ventilation is the best?
Which type of vent is best for my roof? In most cases, we recommend soffit vents for intake and a ridge vent for exhaust. For homes that cannot have a ridge vent, box vents are generally the second best option for exhaust.
