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How Can High-Efficiency AC Units Save Arizona Homeowners?

 |  Air Conditioning, Blog

Choosing and operating an air conditioner means balancing air-cooling needs and operational cost. The standards got tougher in 2015, when the Department of Energy required new efficiency standards for residential split system and packaged central air conditioners. As of January 1, 2015, split-system and single-package units in Arizona now must have a Seasonal Energy Efficiency Ratio (SEER) of at least