Navien Tankless Water Heater
Exclusive built-in recirculation system included on all NPE-A models
Navien ComfortFlow® is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump.
The buffer tank eliminates the cold water sandwich effect and issues of minimum flow rates commonly found in other tankless water heaters.
The recirculation pump saves on water bills by reducing the time to get hot water. When activated, the optional ComfortFlow mode results in additional energy usage.
The NPE-S condensing tankless water heaters are so efficient that they outperform much larger capacity non condensing competitors. More output for the money, lower installation costs and lower operating costs.
Fewer service calls, longer life, faster heating
Navien was first to offer dual stainless steel heat exchangers, rather than copper, which extends the life of the unit by resisting corrosion.
Energy Star highest rated gas water heater
The NPE is the most efficient tankless water heater in the industry - delivering up to 0.97 UEF/0.99EF.