Navien tankless gas hot water heater is a condensing unit. These units have the highest efficiency among gas water heaters - 98% which results in heating 20% more hot water with the same amount of gas.
Features that set Navien apart from other models and make it the most sought after tankless hot water heater:
♦ Condensing gas water heating
♦ Built-in buffer tank to eliminate "cold water sandwich effect" and minimum water flow.
♦ Built-in circulation pump
♦ Navien Factory warranty: 15 years for the heat exchanger and 5 years for parts.
The Ultimate in Energy Efficiency with Hi-Tech Comfort
