How To Use A Box Fan In Window

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If you lot're looking for an inexpensive, environmentally friendly cooling method for your habitation, consider using window fans. Window fans can effectively cool your home in seasons when information technology is hot during the solar day and cool and dry at night and also during dank days. The fans will save yous from having to run the air conditioner, which will lower your electric beak and benefit the environs. To absurd your home, use fans to pull cool outside air into the home at night, while other fans blow out hot air from within the abode.

1. 1

   Choose square box window fans rather than other types. Box window fans have flat sides and blow air in a single management, which makes them ideal for blowing a steady stream of air into or out of your home.^[i] Visit your local hardware shop or home-comeback store and look at their box window fan selection.

   • While other types of fans, similar circular rotating fans, are great for moving air around within your home, they're less constructive at bringing in air from outside.

2. ii

   Select the largest fans that fit inside your home'southward windows. A larger fan will move more air than a smaller fan. Await for fans that will take upward at least ii/three of the horizontal width of your window frame. Make sure that the fans also fit within the lower portion of your window when the window pane is fully opened.^[2] Square fans aren't too expensive, then plan to pay $15-xxx USD per fan.

   • If you need to, mensurate the dimensions of your windows and accept a tape measure with y'all to the hardware store so y'all can measure the fans as well.
   • Avoid fans that are too large for the window. If you position them near the window and exterior the window frame, they'll fall over.

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3. 3

   Purchase an even number of fans to maximize airflow. When you install the fans, some will be situated to blow cool air inward and others will blow hot air outwards. Information technology's best to accept the same number of fans bravado in each management.^[three]

   • Bear in mind that setting upward 2 or 3 smaller, less powerful fans is roughly equivalent to i large, powerful fan.
   • If you lot have an uneven number of windows and can't have equivalent fans blowing inward and outward, it'due south meliorate to have more blowing inwards. This creates a slight positive force per unit area inside the home, which prevents dust and insects from coming in when the doors are opened.

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1. i

   Make sure your windows accept screens and aren't near noise sources. This will ensure that your habitation is suitable for window-fan cooling. Cooling your home with window fans is not recommended for homes without window screens, as insects or animals may enter through the open windows.

   • Noises outside the home will likewise become louder inside with the window open, although the fan noise may mask some of this.

2. two

   Situate the fans in windows far from sources of bad smells. Take a expect at your home's exterior surround before you decide which windows to situate your fans in. Avoid setting fans to accident inward almost garbage cans or parking areas, where fumes and odors may enter the home.^[4]

   • Creating air intake almost trees or flowering plants volition bring pleasant smells into your home.

3. 3

   Identify inward-blowing fans on the ground story of your home. At nighttime, the air near the footing will be the coolest. Situate 2-three fans in windows on the bottom floor to blow inward and pull in cool outside air. Also apply window fans for daytime cooling on chilly days. In this situation, when you're placing inward-blowing box fans, select windows that are on a shaded side of your home.^[v]

   • If yous're using fans during the twenty-four hours, prepare 2-3 fans to blow inwards from the coolest side of the home. This will typically be the side in shade or the side facing north.

4. iv

   Install fans blowing outward on the summit floor of your home. Fans located in windows on the tiptop floor of your home will blow warm air outside. If you lot have an attic in your home, place the outward-blowing fans in attic windows and go out the attic door open up. If you're using fans during the mean solar day, position your outward-bravado box fans in windows located on the sunny side of the firm.^{[half-dozen] [7]}

   • If you alive in a single-story home, set up fans to blow inward on the shaded side of your home. Set the fans blowing outward in windows on the opposite side. Exit the doors inside your abode open for maximum air period.

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1. 1

   Close each window tightly effectually the fan to hold information technology in identify. Open the window and place your fan in the windowsill. Make sure it's counterbalanced. Then, lower the top panel of the window until it'due south securely pressing down against the elevation of the fan. This will prevent the fan from slipping out of place and either falling into your home or downward exterior of your home.^[8]

   • If your windows open sideways rather than vertically, open the window broad plenty to accommodate the width of the fan. Then close the window and then the fan is held in identify between the sliding window pane and the wall.

2. 2

   Cover gaps on either side of the fans if they're smaller than the frame. The fans won't exist able to effectively cool your home if there are gaps between the sides of the window frame and the edges of your fans. Tape paper over the gaps on the inside of the window abreast inward-blowing fans. Or, pull out the plastic extender panels on the sides of the fan to go on air from escaping abreast the fans.^[ix]

   • Blocking the gaps beside fans blowing outward is difficult. Tape up paper or paper-thin on the exterior of the window, if it'south accessible.
   • If yous can't access the exterior of the window, deeply tape the paper or cardboard down on the inside of the window.

3. 3

   Turn on window fans at nighttime when information technology'southward cooler outside than inside. If information technology's warmer outside than inside, your fans volition blow hot air around. And so, turn the fans on when it's cooler outside in club to bring in cool air and lower the temperature inside your domicile.^[10]

   • This will besides reduce your need to employ ac during the day, since your habitation volition accept cooled off at night.

4. four

   Remove the fans and close the windows when it's warm outside. Turn off and remove the fans before you close the windows and blinds or drapes on warm days. Shutting the blinds or drapes volition reduce solar heating.^[11] If you leave the fans on during the oestrus of the day, they'll blow hot air into the dwelling.

   • Removing fans from windows when not in use might exist difficult for the elderly or disabled individuals. In such cases, leave the fans in the windows.

5. five

   Drape a cold, moisture towel over in-blowing fans when it's hot out. Select a size of towel that matches the size of the fan. And then, if the fan is 18 inches (46 cm) across, utilize a towel with roughly the same width. The wet towel will dramatically increase the fans' cooling performance for about 1 60 minutes.

   • The air propelled past the fan will push past the towel and the common cold h2o will lower the temperature of the air.

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Add New Question

• Question

  How can I cool a room with a window fan?

  

  Walter Brant
  Handyman

  Walter Brant is a wikiHow customs member and contributor who has been repairing and restoring houses with over 30 years of experience. He works with homeowners to make a wide variety of improvements to make their homes more comfortable and liveable.

  

  If it'south colder outside than information technology is within, like at night, go out the window open with the fan running to cool down your space.

• Question

  Can I install dual blade window fans vertically?

  

  Jensen Lin

  Community Reply

  You can, merely be certain the fan is the right size for the window. Utilize the extendable panels located on the sides of the fan to brand sure there is no gap between the window and the fan.

• Question

  What happens if I turn information technology on at night after a sunny 24-hour interval? Will I get hot or cool air?

  

  Dvortygirl

  Community Answer

  You get whatever temperature the air is outside. If that'due south libation than what'southward inside your domicile, it volition absurd your home. If information technology's hotter, it volition heat information technology. If it's about the aforementioned, the temperature won't alter, simply at to the lowest degree the air will exist moving, which may help y'all feel cooler.

Testify more answers

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• Your home's inside daytime temperature will typically be the average of the outside daytime temperature and the inside nighttime temperature. So, if you want to proceed the inside temperature down to 70 °F (21 °C) and are expecting a high of eighty °F (27 °C) outside, you lot need to lower the inside temp to lx °F (xvi °C) at nighttime. Turn the fans off in one case the inside temperature dropped beneath threescore °F (sixteen °C).

• Be aware that there are many regions around the earth in which window fans will not provide effective overnight cooling. If the temperature is uncomfortably hot and/or humid both day and night, then window fans may not be an effective ways of cooling your home.

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• The gratings in the front and back of a fan are often spaced widely enough for a child'south finger to be inserted. Avoid using fans in rooms where small children could put their fingers in the fan blades.

• Avert placing inward bravado window fans in a higher place valuable items, similar an antique desk or expensive carpeting, to prevent water damage.

• If you lot live in a polluted area, using a window fan will pull this pollution within. If you're worried that this may cause potential health bug, use some other method to absurd your home.

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Article Summary X

To use window fans for cooling your home, select square box fans that fit snugly inside of your window frame. Then, install at least i fan facing within that pulls air from outside and blows into the house. Turn on inwards-facing fans at night, when it'due south libation outside than it is inside. Next, install a fan facing outside to pull warm air from within of the domicile. Plough outward-facing fans on during the day to blow warm air out of your living spaces. When information technology's extremely hot, plow off the fans and close the blinds to keep your home cool. Keep reading for tips on properly installing the fans!

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Source: https://www.wikihow.com/Use-Window-Fans-for-Home-Cooling#:~:text=To%20use%20window%20fans%20for%20cooling%20your%20home%2C%20select%20square,outside%20than%20it%20is%20inside.

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