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Navien, Inc. Water Heaters

Updated: Aug 21, 2018
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Navien, Inc. is headquartered in California and produces condensing tankless gas water heaters and condensing combi boilers in the United States and Canada. Navien is owned by Kyung Dong Navien, with global headquarters in Seoul, South Korea. Kyung Dong Navien had sales of approximately $612 million in 2017.

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Corporate History

Kyung Dong Machinery Co, Ltd. was founded in 1978 in Seoul, Korea. The company name was changed to Kyung Dong Navien Co., Ltd. in 2006. Also in 2006, Navien, Inc., was established, with headquarters in Irvine, California, to provide new North American markets for KD Navien. Navien also has regional offices and training facilities in New Jersey and Ontario. KD Navien exports HVAC products to over 30 countries worldwide.

Product Lines

Navien offers 3 series of condensing gas tankless water heaters: the NPE-A, the NPE-S, and the NR. Each is designed for indoor or outdoor installation and residential or commercial use. Every model of Navien tankless water heater is Energy Star rated.

The company's line of gas combi boilers includes the CH-ASME series, which is for indoor installation only, and the NCB series, which is for residential use only. Each series consists of three Energy Star rated models.

Reviews by Series

Combi CH-240 (28 reviews)
NCB (24 reviews)
NHB (8 reviews)

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Contacting Navien

Navien, Inc.
20 Goodyear
Irvine, CA 92618

Phone: 800-519-8794


Navien provides a 15-year heat exchanger, 5-year parts, and 1-year labor residential warranty on water heaters. When used for commercial purposes, the warranty is 10 years on the heat exchanger and 5 years on parts. The warranty on the NCB combi boiler is 10-year heat exchanger, 5-year parts, and 1-year labor. The warranty for the CH-ASME series of combi boiler is 10-year heat exchanger and 5-year parts.

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