They’re not the most glamorous piece of infrastructure, unlike the bridges, airports and schools that get most of the public and political attention. But their 24/7 operation and sheer volume make parking garages low hanging fruit for huge energy savings. While there is no official number of parking garages in the U.S., the International Parking Institute pegs the number of parking spaces at anywhere from 100 million to 750 million. That’s a lot of parking housed in a lot of garages with a lot of lighting— much of which is inefficient or poorly controlled. As a result, there’s plenty of opportunity for technology upgrades, and sweetening the pot for owners are government grants or utility rebates that can accelerate the ROI on these projects.
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