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.

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 condensing heating boilers have all key components designed and manufactured by Navien in an automated manufacturing environment and backed by the industry leading warranties.

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

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.

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

Navien’s NPE-240A2 condensing tankless water heater for commercial & residential applications uses high-efficiency technology to provide endless hot water.

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.