Are box fans energy efficient?

Answer On One Hand: They're More Efficient than Air ConditionersMost box fans or floor fans use approximately 100 watts, which adds up to 74 kilowatt hours per month if they're left running around the clo... Read More »

Top Q&A For: Are box fans energy efficient

Are attic fans really energy efficient?

On One Hand: They Can Be Somewhat Energy EfficientAn unfinished attic can become as hot as 150 degrees F in the summer, eventually transferring that heat to the house below. The result is increased... Read More »

Are ceiling fans more cost effective and efficient than portable box pedestal room fans?

AnswerI bought a ceiling fan for my front room for $80 (live in Canada) and that old girl has been going for over 10 years! I wouldn't be without one. Go for the ceiling fan as heat rises and it re... Read More »

Are new windows energy efficient?

On One Hand: Not AutomaticallyNot all new windows are energy-efficient. According to the Efficient Windows Collaborative, you still need to research window retailers in your area to find one that s... Read More »

How efficient is wave energy?

On One Hand: Wave AbundanceIt is estimated that the waves of the ocean could produce up to two terawatts of electricity (2 trillion watts). The fuel that wave energy converters use, seawater, is fr... Read More »