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

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 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 …

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 …

Use our quick & easy locator to find an installer, service provider or distributor for Navien tankless water heaters, boilers & combi-boilers in your area.

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.

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

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 …

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.

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