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    The addition connects to the classroom portion of the original building by a 1,272-square-foot masonry addition that houses an egress stair relocated from the existing building.
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    1. Commercial HVAC

    AHR 2017: Day Two in Las Vegas

    Jan. 31, 2017
    The International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) 2017

    The International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) 2017 scored another record-setting attendance with its 2017 Las Vegas show. Here are a few of the things we saw on the second day.