Which Way Do I Point My Fan In The Window

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If you're looking for an inexpensive, environmentally friendly cooling method for your home, consider using window fans. Window fans can effectively cool your dwelling house in seasons when it is hot during the day and cool and dry at dark and besides during chilly days. The fans will relieve you from having to run the air conditioner, which will lower your electric bill and benefit the environs. To cool your abode, use fans to pull cool outside air into the abode at night, while other fans blow out hot air from inside the domicile.

1
Choose square box window fans rather than other types. Box window fans have flat sides and blow air in a single direction, which makes them ideal for blowing a steady stream of air into or out of your home.^[one] Visit your local hardware store or home-improvement store and await at their box window fan selection.
- While other types of fans, like circular rotating fans, are corking for moving air effectually inside your home, they're less effective at bringing in air from outside.
2
Select the largest fans that fit inside your abode'due south windows. A larger fan will motility more air than a smaller fan. Look for fans that will take upwards at least ii/3 of the horizontal width of your window frame. Make certain that the fans also fit inside the lower portion of your window when the window pane is fully opened.^[two] Square fans aren't too expensive, so programme to pay $15-30 USD per fan.
- If y'all need to, measure the dimensions of your windows and have a tape measure with you to the hardware store so yous can measure the fans also.
- Avoid fans that are too large for the window. If you position them near the window and outside the window frame, they'll fall over.
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iii
Purchase an even number of fans to maximize airflow. When you install the fans, some volition be situated to blow cool air inward and others will blow hot air outwards. Information technology'southward all-time to have the same number of fans bravado in each management.^[3]
- Bear in mind that setting up 2 or 3 smaller, less powerful fans is roughly equivalent to one large, powerful fan.
- If you accept an uneven number of windows and tin can't have equivalent fans blowing inward and outward, information technology'southward better to have more blowing in. This creates a slight positive pressure inside the home, which prevents dust and insects from coming in when the doors are opened.
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1
Make sure your windows have screens and aren't near racket sources. This will ensure that your dwelling 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 also get louder inside with the window open up, although the fan noise may mask some of this.
ii
Situate the fans in windows far from sources of bad smells. Take a look at your dwelling's outside surroundings before you decide which windows to situate your fans in. Avoid setting fans to accident in near garbage cans or parking areas, where fumes and odors may enter the home.^[4]
- Creating air intake near trees or flowering plants will bring pleasant smells into your home.
three
Place inward-blowing fans on the ground story of your dwelling. At night, the air near the basis will be the coolest. Situate 2-iii fans in windows on the bottom floor to blow in and pull in cool outside air. Likewise employ window fans for daytime cooling on dank days. In this situation, when you lot're placing inwards-blowing box fans, select windows that are on a shaded side of your home.^[5]
- If you're using fans during the day, gear up 2-iii fans to accident inward from the coolest side of the abode. This volition typically be the side in shade or the side facing north.
iv
Install fans bravado outward on the top floor of your home. Fans located in windows on the tiptop floor of your home volition blow warm air outside. If you have an attic in your dwelling house, place the outward-blowing fans in cranium windows and leave the attic door open. If yous're using fans during the day, position your outward-blowing box fans in windows located on the sunny side of the business firm.^[vi] ^[7]
- If you alive in a unmarried-story home, fix fans to blow inward on the shaded side of your domicile. Fix the fans blowing outward in windows on the reverse side. Leave the doors inside your home open for maximum air flow.
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1
Close each window tightly effectually the fan to hold it in place. Open the window and place your fan in the windowsill. Make sure it's balanced. Then, lower the meridian console of the window until information technology's deeply pressing down confronting the meridian of the fan. This will prevent the fan from slipping out of place and either falling into your home or downwardly outside of your home.^[8]
- If your windows open sideways rather than vertically, open the window broad enough to accommodate the width of the fan. Then close the window and so the fan is held in identify between the sliding window pane and the wall.
2
Cover gaps on either side of the fans if they're smaller than the frame. The fans won't exist able to finer 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 beside inward-blowing fans. Or, pull out the plastic extender panels on the sides of the fan to keep air from escaping beside the fans.^[ix]
- Blocking the gaps abreast fans blowing outward is hard. Tape up newspaper or cardboard on the outside of the window, if it's accessible.
- If you can't admission the outside of the window, securely tape the newspaper or cardboard down on the inside of the window.
iii
Plow on window fans at night when it's cooler outside than inside. If it's warmer outside than inside, your fans will accident hot air around. So, plow the fans on when it's libation outside in society to bring in absurd air and lower the temperature inside your abode.^[10]
- This will also reduce your demand to use air conditioning during the day, since your home will have cooled off at night.
4
Remove the fans and close the windows when it'southward warm outside. Plough off and remove the fans before y'all close the windows and blinds or drapes on warm days. Shutting the blinds or drapes volition reduce solar heating.^[xi] If yous go out the fans on during the heat of the twenty-four hours, they'll blow hot air into the home.
- Removing fans from windows when not in use might be difficult for the elderly or disabled individuals. In such cases, leave the fans in the windows.
five
Drape a cold, wet towel over inward-bravado fans when it'southward hot out. Select a size of towel that matches the size of the fan. So, if the fan is 18 inches (46 cm) beyond, use a towel with roughly the aforementioned width. The wet towel volition dramatically increase the fans' cooling performance for about 1 hour.
- The air propelled by the fan will push by the towel and the cold water volition lower the temperature of the air.
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Question

How can I absurd a room with a window fan?

Walter Brant
Handyman

Walter Brant is a wikiHow community member and correspondent who has been repairing and restoring houses with over xxx years of experience. He works with homeowners to make a broad variety of improvements to make their homes more comfortable and liveable.

If it's colder outside than it is inside, similar at nighttime, leave the window open with the fan running to cool downwardly your space.
Question

Can I install dual blade window fans vertically?

Jensen Lin

Community Answer

Yous can, but be certain the fan is the right size for the window. Utilise the extendable panels located on the sides of the fan to make certain there is no gap between the window and the fan.
Question

What happens if I plow it on at night later a sunny day? Volition I get hot or cool air?

Dvortygirl

Customs Answer

Yous get whatever temperature the air is outside. If that's cooler than what'due south inside your home, it volition cool your abode. If information technology's hotter, it will estrus it. If it's about the same, the temperature won't modify, but at least the air will be moving, which may assistance you experience cooler.
Question

How can I terminate my window fan from bravado so much dust in the house?

Dvortygirl

Community Answer

If there's a lot of dust in the air effectually you lot, you'll accept a hard fourth dimension stopping it from blowing in. Brand sure the fan and window screens are clean. Betoken the fan out and open several windows in the rest of the house. The air coming in won't exist moving every bit fast, so it won't stir up as much actress stuff. Make sure the dust isn't coming from indoors. You could put a filter of some sort, such equally a furnace filter, over the fan or the window screen. Choose a loose one so you don't block also much air.
Question

How powerful should a window fan be for a big room?

ConnorFisher

Community Answer

The size of the window fan is more important than the power. Select the largest box fan that will fit inside the window. If the room is large and has more than than 1 window on the aforementioned wall, set up a large fan in each window.

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Your home'due south inside daytime temperature will typically be the boilerplate of the outside daytime temperature and the inside nighttime temperature. So, if y'all want to keep the inside temperature down to seventy °F (21 °C) and are expecting a high of lxxx °F (27 °C) outside, yous need to lower the inside temp to 60 °F (16 °C) at night. Plow the fans off once the within temperature dropped below sixty °F (xvi °C).
Be aware that there are many regions around the earth in which window fans volition not provide constructive overnight cooling. If the temperature is uncomfortably hot and/or humid both twenty-four hour period and night, then window fans may not be an effective means of cooling your home.

The gratings in the front and back of a fan are often spaced widely enough for a kid's finger to be inserted. Avoid using fans in rooms where small children could put their fingers in the fan blades.
Avoid placing inward blowing window fans above valuable items, similar an antique desk or expensive carpeting, to forestall water damage.
If you live in a polluted area, using a window fan will pull this pollution inside. If yous're worried that this may cause potential wellness issues, use some other method to absurd your habitation.

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Commodity Summary Ten

To utilize window fans for cooling your home, select square box fans that fit snugly inside of your window frame. So, install at least one fan facing within that pulls air from outside and blows into the house. Turn on inwards-facing fans at nighttime, when it's libation outside than it is inside. Next, install a fan facing outside to pull warm air from within of the home. Turn outward-facing fans on during the day to blow warm air out of your living spaces. When information technology'southward extremely hot, turn off the fans and close the blinds to go along your domicile cool. Go along reading for tips on properly installing the fans!

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