CSI Sun is a renewable energy division of Chimney Specialists Inc. (CSI) that provides solar electric and thermal energy solutions to residential, commercial, and agricultural clients in Southwest Wisconsin, Northeast Iowa, and Northwest Illinois. Our company combines traditional alternative energy appliances with solar energy to offer a broader array of cost-effective products and solutions for energy independence. With a proven track record since 1977, CSI Sun evaluates, designs, and installs solar electric or solar thermal systems, and also offers expert advice and high-quality wood-burning, pellet, and gas fireplaces, stoves, and inserts. Our technicians participate in ongoing training at the North American Solar Store's Solar Training Institute to stay up-to-date on the latest products, techniques, and industry standards.
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