Heat-flo is an American company specializing in designing, engineering, and manufacturing high-quality water heating and storage products for residential, commercial, and industrial applications. Their product range includes indirect water heaters, high output indirect water heaters, hot water booster/storage tanks, multi-energy tanks, hydronic buffer tanks, and commercial electric water heaters. Heat-flo focuses on providing cost-efficient solutions for hydronic, solar, and electric-based water heating systems, as well as hydronic and radiant heating applications. The company emphasizes continuous improvement in product design and manufacturing to ensure superior quality and reliability in their water heating and hydronic solutions.