how to use a whole house attic fan
Make sure that the attic has enough venting area. Set the humidistat level to 50 for effective removal of moisture.
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Use high speed to kick-start the cooling and use low to run quietly through the night.
. Set the thermostat temperature to 110 degree F for better results. Use an attic fan of the right size. Know When Not to Use the Fan While the whole house fan can be used regularly nearly year-round there are some days when you should keep it turned off.
Tip Enlarge your attic venting by adding dormer vents eave vents ridge vents soffit vents or turbine vents. A rule of thumb is that you should have one square foot of net free venting area for every 750 CFM of airflow. Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etccheck with a professional to determine what is appropriate for your home.
Open windows in your house when operating the whole-house. Secure the grill to the hallway side of the installation. Opening windows on the lowest level helps to ventilate both the lower and upper levels but sometimes stairways doorways and.
It needs to be near a window or door or installed directly into the roof of the attic. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. Apply weather-stripping to fan where it will rest on the plywood.
An attic fan isnt just for summer youll use it year-round. Instead of letting that heat sit and re-enter your house attic fans move hot humid air outside of your home and release it into the cooler overnight temperatures says Zac Houghton CEO at Loftera. Run the attic fan during the hottest time of the day.
1 Open a few windows 4-6 inches 2 Turn on your whole house fan using the switch or portable remote and timer 3 Feel the nice cool breeze as air passes through to the attic and fresh air replaces stale trapped air. Run the attic fan in the winter too. Set fan in the frame and secure with screws.
This way hot stale air under your roof isnt sitting over your home. Avoid opening windows or doors without screens since they wont work with a whole house fan. Ideally it should be installed at the top level of your home whether that is the top floor or the attic.
When installed on the ceiling of your attic they circulate the air at the top of your house. Connect to an electrical outlet. A whole house fan pulls hot air from the entire house and into the attic.
Despite how it sounds this. Operating an attic fan is simple. You can also add larger gable vents.
That translates to lower cooling costs. Spray insulation in the gaps between attic and ceiling. The windows should remain closed until the next day evening to prevent the chilly air from escaping.
The fan takes the hot and humid air that sits in your attic circulates it and pushes it out of the houses upper space. Open several windows in your home. Run the attic fan in the winter too.
A typical fan cant do both the work of an attic and the whole house fan But a whole house fan does both. A way better choice than just a attic fan. It provides good attic ventilation in addition to whole house cooling.
Besides requiring precise measurements and added dedicated wiring a whole-house fan may require the installation of new attic vents. This is known as air exchange. So at 3000 CFM youll want four square feet of venting.
The higher the CFM the more venting area is required to keep the system working efficiently. A whole house fan is a cooling system that circulates air and provides good attic ventilation and cooling for an entire property. They can cool your home in less than an hour.
A too-warm attic causes ice dams. Open windows in your house when operating the whole-house fan to avoid creating concentrated suction in any one spot. To use a whole house fan start by opening up any screened doors and windows in the room youll be in.
A good rule of thumb is to provide one square foot of opening for every 750 CFM cubic feet per minute of whole house fan capacity. 2 days agoWhole house fans vs. Once the needed fresh air is enough close the windows and turn off your fan.
Airflow is measured in Cubic Feet per Minute CFM. Installation Video for Cool Attic and Ventamatic Whole House Fan. Heat Stream 30 In Belt Drive Whole House Fan With Shutter Cx30bd 2spd The Home Depot Whole House Fan House Fan Whole House.
Just tie into an existing circuit in your attic mount an electrical receptacle and then plug in your new fan. A whole house fan system is installed in the ceiling between the attic and living space. The difference between the two is the maximum amount of desired airflow ranging.
Service the attic fan once or twice a year. See more about how to install this type of. For general cooling open windows far away from the fan to provide airflow to the whole house.
Opening two or more windows halfway or wider is recommended to allow the fan to do its job. It really is that simple to install a whole house fan. Watch this video on how to install a whole house fan and how they work.
How To Use A Whole House Fan When the outside air temperature is cooler than inside your home or attic do the following. There are two types of whole house fans. Next close the damper on your fireplace if you have one so that soot and odors arent drawn down into your house.
To use a whole house fan start by opening up any screened doors and windows in the room youll be in. Using Your Whole House Fan We recommend installing your whole house fan with a digital timer with 1. Make sure at least one window is open.
When purchasing an attic fan you have two main choices.
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