Dickerson Growers, Bloomingdale, MI. Consists of several separate ranges in western Michigan. Known across the country for their annuals and Poinsettia plants. The different ranges had a variety of heating systems powered with either steam or hot water heating systems, which were replaced with Raypak Xtherm condensing boilers. Performance Engineering worked with Efficiency United and Michigan Saves to provide rebates and financing for the project. The three different ranges have over 10 million Btu’s of input capacity.