1.   A few well-placed window fans can pull a lot of heat out of the house, but you have to know when to use such fans.

2.   A whole house fan works the same way as window fans, except that it exhausts more air faster.

3.   A window fan is the only cooling system in too many of them.

4.   A window fan whirrs in the dusty humidity.

5.   Complicating efforts to ensure the safety of homebound residents, the relief agencies say, is a scarcity of window fans.

6.   Cooling --Consider window fans, ceiling fans, or whole-house fans, which use much less power than air conditioners.

7.   First, install window fans, which exhaust hot air out of the house.

8.   Her two window fans seemed only to mock her, blowing hot air into her face.

9.   In most cases, radon can be cut to safe levels with devices as simple as a basement window fan.

10.   Some double window fans are housed in units that can be turned, and also set so they oscillate, just as those floor fans can do.