The NSF INTERNATIONAL is the agency that establishes standards and certifies companies in the areas of water, food, air and environment. It develops high standards, provides training and reviews safety to evaluate the suitability of the products. As mandatory standards for the health and sanitation of products, the NSF mark certifies the safety and quality of products on a global basis. We became the first Korean company to be certified for the NSF with gas water heaters.

2019 NR / NP Models "Navien Condensing Gas Water Heaters" for American Market

The WRAS(Water Regulation Advisory Scheme) is an organization that provides regulatory approvals and registration services on drinking water in the UK. It certifies products for compliance with the "Water Supply & Fittings" regulations and its revisions, and prevents water from being wasted or misused to help protect the health of consumers.

2015.11 Obtained

The ASME (The American Society of Mechanical Engineers)" is the world's most prestigious quality certification for boilers and pressure containers. We have been recognized for our superior technology and quality and received "H-STAMP" which is the certification for mass production of condensing boilers for the first time in the industry.

2017.02 Condensing Boiler

CSA is national certification by the Canadian Standards Association which ensures mandatory compliance with safety testing on electric appliances ·petrochemical or gas powered systems.

2016.02 Gas Water Heater

All consumer goods distributed within the European Union require CE marking which is an integrated certification standard applied throughout the region. In addition to oil boilers and condensing gas boilers, our condensing oil boilers also have been certified by the CE marking and recognized for our superior technology in Europe.

2016.09 Condensing Oil Boiler

The ETL mark is given by the Electrical Test Lab in the US to products that meet the minimum safety requirements. The ETL mark is acknowledged in the US and Canada and has the same legal standards as the UL and CSA markets.

2017.03 Oil Boiler ST Model / Gas Boiler GA, GTD Model / KC Model

A national symbol of energy efficiency in the United States, the Energy Star is a joint program of the U.S. Department of Energy (DoE) and the Environmental Protection Agency (EPA) that requires products that meet energy efficiency guidelines to carry the Energy Star mark.

2012.08 Gas water heaters

It is a voluntary performance certification program for heating, ventilation and air-conditioning (HVAC) products that began in 1960. To achieve certification, products must be tested for performance to AHRI or ISO standards by a third-party independent laboratory designated by AHRI, followed by ongoing market surveillance and sample testing to confirm that the product meets performance standards.

2015.06 Condensing boilers

This certification is established by Taiwan's Commodity Inspection Act to protect the rights and interests of consumers and promote the normal development of the economy in accordance with the safety, hygiene, environmental protection and other technical laws and standards of goods.

2014.04 Gas boilers

It is an international certification system that started with the purpose of mutual recognition of test results among member countries participating in the IECEE (International Electrical Equipment Mutual Certification Scheme), and grants certification for the safety of electrical products that can be used internationally by applying the same test method according to IEC standards.

2016.08 Hot Water Mat

Certification for Energy-related Products (ErP), a directive that aims to protect the EU’s environment by regulating energy use and minimising pollution.

2016.09 Condensing boilers

A certification that self-attests that a product's quality, safety, environmental protection, performance, etc. meet relevant standards.

2017.02

The NB Mark program recognizes manufacturers of pressure relief devices and assemblers of pressure relief valves that have been designed, constructed, tested and marked to specifications and codes recognized by the NB Board. It certifies that the release capacity, flow resistance, and performance of the device have been determined to be in accordance with applicable standards under the scrutiny of the NB Board and demonstrates that the company has a quality system for new construction of pressure relief devices.

2013.01

The Australian safety standard certification certifies that Kyungdong Navien's hot water mat is safe as an electrical product.

2015.10 Hot Water Mat

It is a compulsory electrical safety and energy efficiency certification system for electrical and electronic products in Chile, which allows users to select and apply seven different certification systems to their situation and sell products certified by a designated certification body.

2016.11

A mandatory certification system for certain wireless products or small power wireless devices that use frequencies designated by the Chinese government.

2015.08 Hot Water Mats

The EAC mark certification of the Customs Union (CU) unites the three countries of Russia, Belarus, and Kazakhstan into a single certification, GOST-R (Russia), GOST-K (Kazakhstan), and STB (Belarus), which certifies that gas appliances used for heating, hot water supply, etc. comply with the regulations set by the CU.

2016.12

A leading certification body in the United States, established in 1894. Renowned for developing safety standards and providing product certification, UL is one of the most trusted marks of product safety in the US.

2014.02

Co-developed with the Korea Institute of Energy Research after 2 years in 1998, our condensing boiler technology was recognized as a new technology and received the KT Mark. In 2003, our condensing oil boiler technology also obtained the mark.

2003.12 Condensing Oil Boiler

1998.05 Condensing Boiler

Our condensing gas boilers were certified for high-efficiency energy assurance rating by the Korea Energy Agency in 2000 for the first time in the industry. Also having received the STAR LEVEL in Europe, our condensing boilers are recognized for the highest level of energy efficiency.

2003.01 No. 1 Gas Boiler for Homes

2000.01 No. 1 Gas Boiler for Homes

Based on the condensing technology from Europe, we developed condensing boilers using our proprietary technology in 1998 and received the KS Mark in 2000.

2000.05 Condensing Gas Water Heater/Boiler

1991.10 Gas Water Heater/Boiler

1982.10 Oil Water Heater/Boiler

The Eco-friendly Product Mark is given to products with relatively less environmental impact during its production process and lifecycle. We were certified for this mark for the first time in 1999 in the industry and have more eco-friendly certified products than any other companies in the industry.

1999.04 Obtained

The Korea Service Quality Excellence Certification was introduced in 2001 to strengthen the competitiveness of the service industry.

We have been certified for international standards based on our quality, environment and safety management system. This certifies that we have an integrated system in the entire business process and a level of competitiveness needed for the global market.

2004.03 Integrated Management System

OHSAS 18001(Occupational Health and Safety Assessment Series) is a safety management system that allows members and stakeholders of a company to identify and prevent occupational risks and create a safe, healthy work environment and ultimately, generate profit.

2003.12 Safety & Health Management System

2001.12 Safety & Health Management System

ISO 14001 sets out the criteria for a management to reduce environmental impact of an organization. The purpose is to consider the integration of environment and management systems while improving the growth and environment.

1999.12 Environmental Management Systems

The ISO 9000 family of quality management systems standards is designed to certify organizations for quality assurance through a third-party certification issuer. The ISO 9000 certification helps improve product quality and promote international standards in quality and technological excellent in the global market.

1995.12 Environmental Management Systems