Navien Tankless Water Heaters

Navien is a relatively young company that develops and manufactures tankless water heaters, established in California in 2006. Navien has managed to quickly gain popularity thanks to their sophisticated engineering and the high-quality of their products. Currently, there are seven models offered by Navien, with their thermal output ranging from 120000 to 200000 BTU/H. All of them work with gas, can be installed in a series arrangement, and feature high-grade materials that are suitable for use in both residential and commercial environments.