All About Climate Zones

Are you considering a switch to evaporative cooling? The success or failure of an evaporative cooler comes down to one major consideration: location, location, location. It’s important to know your climate zone.

Climate is the average atmospheric condition of a region over 30 years, measured by temperature and rainfall. The United States falls into more climate zones than anywhere else on the planet! The eight recognized climate zones in the United States are Hot-Humid, Mixed-Humid, Hot-Dry, Mixed-Dry, Cold, Very-Cold, Subarctic, and Marine.

Hot-Humid and Mixed-Humid: These climate zones have high summer temperatures and more than 20 inches of rain annually. The Southern United States and much of the Midwest fall into these climate zones. Evaporative cooling is not recommended for these regions, since evaporative cooling works by adding humidity to the air.

Hot-Dry and Mixed-Dry: These regions include the Southwestern United States. They receive little annual rainfall, and summers are dry and hot. This makes evaporative cooling an ideal choice in the summer.

Cold and Very-Cold: This region covers much of the Western United States. These areas

typically have a wide range of temperatures. Rainfall is not excessive. Many of these areas have low humidity, so evaporative cooling is a good choice for summer cooling.

Subarctic: Alaska is the only subarctic region of the United States. Temperatures vary across the state, with many area temperatures remaining in the 40s and low 50s during the summer. Evaporative cooling is not ideal, due to the lack of summer heat in the area.

Marine: Much of the Pacific coast falls into the Marine climate zone. These areas have cool summers and winters, and do not exhibit many temperature extremes. Rainfall is frequent. While evaporative cooling could work in these areas, the cool summers would not make it an ideal choice.

Evaporative cooling works best in areas that are hot and dry in the summer, like the Southwestern United States. If you’re in this area and considering a switch to evaporative cooling, our Customer Service Team is here to answer your questions. Give them a call at 800-643-8341. Office hours are Monday through Friday, 7:00 am – 5:30 pm CST.

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