Navien manufactures high-performance water heating, HVAC, and water treatment innovations that deliver unmatched comfort, sustainability, and reliability for homes and businesses worldwide.

Navien was the first manufacturer to bring commercial-grade whole-house heating and advanced domestic hot water capabilities to larger homes — providing homeowners with a variety of solutions …

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.

Whether you want the impressive energy savings of a water heater with the latest in heat pump technology or the ultra-high efficiency and uninterrupted flow of tankless, Navien has a water heater …

Navien's NPE-A2 condensing tankless water heaters include a patented built-in buffer tank, recirculating pump & fine-tuned controls for comfort & convenience.

Professionals specify and install Navien tankless water heaters and boilers for their ease of installation, ultra high efficiency and industry leading warranty.

Navien primary condensing stainless steel heat exchangers recover extra heat that would be lost in non-condensing boilers to reduce energy consumption and CO₂ emissions.

Advanced controls, patented heat exchanger, flexibility of venting configurations and materials are just few of many features that make Navien boilers perfect solution for any application.

Navien condensing stainless steel heat exchangers recover extra heat that would be lost in non-condensing combi boilers. The result is a reduction in energy consumption, lower CO 2 emissions …

Navien technical support offers coast to coast coverage with two world class support centers and live technicians providing the help you need, when you need it.