MILWAUKEE — Johnson Controls has re-imagined economical comfort cooling with the release of Choice 15-27.5 rooftop units. These units exceed the U.S. Department of Energy (DOE) 2018 guidelines by up ...
On Jan. 1, 2023, the U.S. Department of Energy’s (DOE’s) second efficiency increase for rooftop units (RTUs) went into effect, which required a 15% increase in part-load (IEER) efficiency. This was in ...
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