According to the U.S. Department of Energy (DOE), packaged rooftop units (RTUs) are used in 46 percent (2.1 million) of all commercial buildings, serving more than 60 percent (39 billion square feet) ...
The phrase “out of sight, out of mind” may as cliché as the day is long, but when HVAC contractors were asked to share their maintenance tips for rooftop units, the overused expression popped up again ...
Whole Foods Market Inc. is embracing solar power. The Austin, Texas-based grocery chain has signed agreements with SolarCity and NRG Energy Inc. to install rooftop solar units at up to 100 stores and ...
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