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.

Today Navien retains the largest market share for condensing gas water heaters in North America, and is ranked top in technology patents. Navien proudly exports that leadership in efficiency, green …

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.

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

Navien's water heaters, boilers, hydro-furnaces & water treatment solutions provide innovative high-efficiency technology for residential & commercial projects.

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 …

The Navien NPE-2 series is a line of high-efficiency condensing tankless water heaters featuring a user-friendly control panel. These tankless water heaters can be installed indoors or outdoors, for …

Navien's water heaters, boilers, hydro-furnaces & water treatment solutions provide innovative high-efficiency technology for residential & commercial projects.