Navien Condensing Tankless Water Heaters supply unlimited hot water at a steady temperature whenever you need for as long as you need it. With the industry's highest energy efficiency at 98%, Navien has the lowest annual operating costs; saving owners up to $160.00 per year over tank-type and conventional tankless gas water heaters.
Navien has an ultra efficient burner using less gas resulting in substantial emission reductions and stainless steel heat exchangers that are up to 20 times more resistant for extended lifecycle. Navien also offers easier installation and Plastic venting for additional cost savings.