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    'Many times, it’s a matter of a few affordable and manageable tweaks, rather than a major revamp,” says Trey Long.
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    1. Residential HVAC

    Tech Update April 2015: Commercial Rooftop Units Residential Tools & Instruments

    April 10, 2015
    This month we look at some of the leading commercial rooftop units and residential tools and instruments.
    About the Author

    Ashley Doles

    Ashley Doles served as a graphics designer for Contracting Business magazine.