How to Use Window Fans for Home Cooling

Advanced 20 min 12 steps 4542 views Rating: 4.0/5 Published: 2026-02-17

Choose square box window fans rather than other types.. Select the largest fans that fit inside your home's windows.. Purchase an even number of fans to maximize airflow.

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Steps

1

Choose square box window fans rather than other types.

Step 1

Choose square box window fans rather than other types.

2

Select the largest fans that fit inside your home's windows.

Step 2

Select the largest fans that fit inside your home's windows.

3

Purchase an even number of fans to maximize airflow.

Step 3

Purchase an even number of fans to maximize airflow.

4

Make sure your windows have screens and aren't near noise sources.

Step 4

Make sure your windows have screens and aren't near noise sources.

5

Situate the fans in windows far from sources of bad smells.

Step 5

Situate the fans in windows far from sources of bad smells.

6

Place inward-blowing fans on the ground story of your home.

Step 6

Place inward-blowing fans on the ground story of your home.

7

Install fans blowing outward on the top floor of your home.

Step 7

Install fans blowing outward on the top floor of your home.

8

Close each window tightly around the fan to hold it in place.

Step 8

Close each window tightly around the fan to hold it in place.

9

Cover gaps on either side of the fans if they're smaller than the frame.

Step 9

Cover gaps on either side of the fans if they're smaller than the frame.

10

Turn on window fans at night when it's cooler outside than inside.

Step 10

Turn on window fans at night when it's cooler outside than inside.

11

Remove the fans and close the windows when it's warm outside.

Step 11

Remove the fans and close the windows when it's warm outside.

12

Drape a cold, wet towel over inward-blowing fans when it's hot out.

Step 12

Drape a cold, wet towel over inward-blowing fans when it's hot out.

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