Navien is a company that specializes in manufacturing high-efficiency heating and water heating products. Founded in 1978, it is known for its innovative technology and commitment to energy efficiency. Their product line includes tankless water heaters, combi-boilers, and heating systems designed for residential and commercial use. The company focuses on providing solutions that reduce energy consumption and lower utility bills. Navien products are recognized for their reliability and performance, making them a popular choice among homeowners and contractors. They also emphasize environmental sustainability by producing equipment that meets strict energy standards.