Navien Brand Water Heaters.

Hot water and whole house comfort from Navien, a global leader in high efficiency water heaters and boilers.
Whether you need an endless supply of hot water, efficient home heating or both, Navien has the most energy efficient solutions.
Navien offers the industry's most advanced condensing tankless water heaters, condensing boilers and the first combi-boilers strong enough to support whole house heating and hot water for larger homes.