Heating & DHW
Unmatched Excellence
Navien Condensing Boiler
Condensing boilers are eco-friendly appliances that reuse heat from exhaust gases, thus reducing energy consumption.
They cut emissions of nitrogen oxides, carbon dioxide, and carbon monoxide major contributors to fine dust pollution and each unit delivers an environmental benefit equivalent to planting about 137 pine trees each year.
Since developing Asia's first eco-friendly, high-efficiency boiler in 1988, KD Navien has led the industry through continuous technological innovation.
The Market Leader
in Eco-friendly Condensing Boilers
As the pioneer of Asiaโs first condensing boiler, KD Navien has transformed heating technology
and established itself as the domestic leader and the top exporter in the condensing boiler market.
38years of condensing technology expertise
Developed Asiaโs first condensing boiler in 1988
Largest market share for
15consecutive years
Since 2011, ranked #1 in production and sales of condensing boilers, as well as in Korean boiler market share.
Top exporter for
34consecutive years
Ranked #1 in boilers and water heaters, accounting for over 87% of Koreaโs total boilers and water heater exports in 2024.
Largest market share for
12consecutive years
Ranked #1 in wall-mounted condensing gas boilers between 2013 and 2024.
Navien Condensing Boiler
Core Technologies
Highest DHW & DHW flow rate
Navien condensing boiler offers industry leading DHW features including the highest maximum BTU/h for DHW(210,000), highest flow rate of 5.4 GPM at 70ยฐ rise.
Applies to the combi boilers. Specifications and performance may differ by model.
Dual Stainless steel heat exchangers
Durable stainless steel heat exchangers resist corrosion, resulting in longer life and improved heat recovery from flue gases for superior efficiency.
Applies to the combi boilers. Specifications and performance may differ by model.
TDR 15:1 for DHW
The sophisticated gas flow control system provides a high turndown ratio, reducing energy waste and excessive boiler cycling and enhances temperature control for DHW.
Applies to the combi boilers. Specifications and performance may differ by model.
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Boiler Line-up
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