Fans circulate the air in your home and can also help reduce your A/C costs. That's because they allow you to set your thermostat higher and still feel cool. Tips for efficiency include:
Using cold water instead of hot or warm water can save more than $3 a month.
A clothes dryer makes up about 5 percent of an electric bill. Keeping the lint trap clean will make the clothes dry faster, which can save on energy costs.