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In terms of energy, warmer cities may actually be less demanding than colder ones.

According to NBCNews, it takes more energy to warm a city up than cool it down.

The findings came from a study done by Michael Sivak, a professor at the University of Michigan. Sivak explained that in his data he found that an air conditioner is four times more energy efficient than a furnace or boiler, because of the energy it takes to heat up a room as opposed to cooling it down.

"The traditional view that living in hot desert areas is not sustainable should be re-examined," Michael Sivak told NBC News. "Because my data suggest that from this point of view — mainly a climate control point of view — living in very cold areas is less sustainable than hot areas."

Sivak also found that a city with colder climate like Minneapolis is over three times more energy-demanding than Miami.

He suggested that people in cold climates should find alternative heating methods to take less stress off energy demands, like building a passive solar house.

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