
A leader in condensing technology
Since 2006, Navien, Inc. has rapidly emerged as one of the fastest-growing companies in the home comfort sector across North America. A leader in condensing technology, Navien has revolutionized the industry with its line of high-efficiency condensing tankless water heaters, combi-boilers, and wall-hung boilers. In 2024, Navien was recognized as the number one selling manufacturer of gas tankless water heaters and wall-hung boilers in North America.
Expanding its offerings, Navien now boasts a full line of HVAC products, including the innovative NPF Hydro-furnace. Additionally, Navien has ventured into the heat pump water heater market, further solidifying its commitment to sustainable and energy-efficient solutions for home comfort. The company is also making strides in the water treatment space with cutting-edge scale prevention systems and whole-house filtration solutions.
Navien’s international reputation is built on sophisticated engineering, robust design, and a steadfast commitment to quality. Backed by over 40 years of advanced technology expertise from its parent company, KD Navien, the company continues to push boundaries in product development. Navien products are available across the United States and Canada through a select network of trusted wholesale distributors.
Global reach, local touch
Navien was the first to adopt EN (European), the world's highest standard on all our boilers. This assures world-class quality in every country where our products are sold. 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 technology and customer service to over 30 countries.
With North American headquarters in Irvine, California, Navien operates three training centers (California, New Jersey, Ontario), and sells products throughout Canada, Mexico and the United States. Navien products are sold through and installed by professional contractors to assure superior performance and exceptional durability.

Brief history

- 1978Founded as Kyung Dong Machinery Co., Ltd.
- 1982Launched Asia's first condensing gas boiler
- 1991Produced gas-fired domestic hot water boiler
- 1995Acquired ISO 9001
- 1999Acquired ISO 12001
- 2006Company name changed to KyungDong Navien Co., Ltd.
- 2007Acquired North American CSA certificate (gas water heater)
- 2008Started exports of condensing gas water heater to U.S.A.
- 2009Acquired North America CSA certificate (Combi Gas Boiler). Established U.S Training Center
- Established U.S Training Center
- 2010Acquired American ASME 'H-Stamp' certificate (condensing gas boiler)
- Established Canadian Training Center
- 2011Acquired American NSF Certificate (condensing gas water heater)
- 2012Acquired North American CSA Certificate
- Introduced NPE-A Condensing Tankless Water Heaters
- 2013Received AHR EXPO Innovation Award
- Introduced NPE-S Condensing Tankless Water Heaters
- Introduced NCB series Combi-Boilers
- 2014Introduced NHB series boilers
- 2015Introduced NCB-E series Combi-Boilers
- 2016Introduced NaviLink remote control system
- Introduced Hot Button on-demand recirculation accessory
- Introduced H2Air combination space heating and water heater
- 2017Introduced Ready-Link manifold wall and rack mounted system
Introduction of KD Navien
The Leader in Green Technology
KyungDong Navien (KD Navien) was founded in 1978 and in 1988 KD Navien became the first company in Asia to develop and produce a highly efficient, environmentally-friendly condensing boiler. This quickly established the company as the leader in the condensing boiler market. Now KD Navien manufactures the world's top efficient, energy saving, and CO2 reducing water heating products.
KD Navien has expanded its business areas to zone control systems, ventilation systems, home network systems, and various other focuses that provide a more pleasant and greener living environment for our customers.
Not wanting to limit ourselves to just the domestic market, we have been the top export company in the overseas HVAC industry. In fact, KD Navien has been exporting HVAC products more than 30 nations worldwide including North America, Europe, China, and Russia & CIS.
KD Navien will make every effort to develop the world's best high-efficiency, environmentally-friendly products that will have positive impacts on the living culture worldwide. Also, we will accelerate in developing green energy equipment such as the Stirling Engine m-CHP fuel cell, and solar thermal systems to improve our quality of life today and for generations to come.


Vision
A World-class Green Company Creating a Comfortable Living Environment
The affiliates of KD Navien transformed themselves into global green corporations through continuous product, process & personnel innovation. These affiliates are now world’s leading corporations who develop creative technology solutions and advance our common goal of enriching the lives of customers.
Corporate Philosophy
Social Contribution through Business
Contributing to society through corporate activities is the core management philosophy of KD Navien.
This motto has been passed down as one of our practical value from inception and is a key to our success. In this spirit, we have made sustained efforts to promote leading edge eco-friendly technologies and create a better and greener environment for future generations. Going forward, we will be a responsible and responsive global corporation that contributes to the betterment of our world.