Navien Tankless Water Heaters
Navien NPE-2 Series and NPN Series high efficiency gas tankless water heaters provide endless domestic hot water, all while keeping your utility bills low.
Tankless water heaters heat water as needed without using a storage tank. Simply turn on the hot water, and cold water is heated to the desired temperature as it flows through the heat exchanger inside the unit. Tankless water heaters are not only smaller and more efficient than tank-style water heaters, they provide endless hot water.
Navien offers tankless water heating systems for homes and businesses with your choice of condensing or non-condensing technology—learn more about the differences below.
Condensing Tankless Water Heaters
Navien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow® technology with a built-in recirculation pump and buffer tank.
New NPE-A2 Series
Three NPE-A2 Advanced Premium models offer a Uniform Energy Factor up to .95 and feature Navien’s patented ComfortFlow system.
New NPE-S2 Series
Four NPE-S2 Standard Premium models offer a Uniform Energy
Factor up to .96, providing more output, lower installation costs
and lower operating costs.
Condensing Tankless Water Heaters
Navien Premium Non-condensing tankless water heaters deliver a continuous flow of hot water for as long as you need it. No waiting for a tank to reheat more water, wasting time and energy. NPN series is the only non-condensing gas tankless water heater to offer NaviTech™ stainless steel heat exchanger and stainless steel burner for durable and eco-friendly performance.
NPN-U Series
NPN-U (Universal) premium non-condensing tankless water heaters offer a compact tankless solution for both indoor and outdoor installations.
NPN-E Series
NPN-E (Exterior) non-condensing tankless water heaters offer a compact tankless solution for outdoor installations.
Condensing vs Non-Condensing
Tankless Water Heaters
What’s the difference between condensing and non-condensing tankless water heaters?