Fans save energy. According to Energy Star, you can save 3 to 5 percent on air-conditioning costs for each degree you raise your thermostat on a hot summer’s day.Using a ceiling fan (which costs ...

The best-performing ceiling fans from Consumer Reports' tests have superior airflow to help lower your utility bill.

Like ceiling fans, drapes and blinds collect a lot of dust, so give those a dusting too.) Step 2: Clean the blades. Now you’re ready to start cleaning.