Vermonts first and fully Net Zero Commercial Complex Built by Gristmill in 2011, this 14,300 sq. ft. structure is Vermont's largest net zero office building, and is the headquarters of Gristmill Builders. The Energy Mill produces electricity with free standing tracking solar panels, heats and cools with geothermal, and produces hot water with roof top solar panels. Currently, a 3,800 dividable ground floor space available for rent. It has high ceilings, a separate entrance and a kitchen. Call us for more information.