How to Use Window Fans for Home Cooling. Electric fans can be an inexpensive, Earth-friendly alternative to supplement or even replace air conditioning. The best application for window fans is in areas and seasons when it is hot during the.
We spent 12 hours of researching and testing to find the best window fans for bringing in cool air at night or extracting hot air out of a kitchen window. For most people, the Pelonis 9″ Twin Window Fan is a great value. But the pricier Bionaire Twin Reversible Airflow Window Fan is worth an upgrade if you need more power or less noise.