• 
• Received international certification, Canadian Standard Association (CSA), for its Condensing Tankless Water Heater

• Launched Condensing Tankless Water Heater with the world’s highest efficiency rating 98.8% in North America

• 
• Set up branch in China, Shanghai Navien Co., Ltd.

• Acquired European quality certification CE mark (TÜ) for condensing oil boilers

• 
• Entered air-conditioning and ventilating business

• Set up U.S. corporation, Navien America., Inc.

• Changed company name to KyungDong Navien Co., Ltd.

• Launched world’s first hot-water-priority, New Condensing gas boiler

• Developed world’s first stainless-steel plate-type ECO premixed burner

• Developed word’s first adaptive Ondol (Underfloor heating) system, ASA (Auto Sensing & Adaptive) control

• Adopted Electronic Gas-Air Ratio Control (GARC) system

• 
• Acquired European quality certification CE mark and four-star thermal efficiency grade for condensing gas
  boilers--first in Asia (GASTEC)

• 
• Adopted the mechanism of an air proving device, APS (Air Pressure Sensor)

• Acquired European quality certification CE for a
  conventional gas boiler CE (GASTEC)

• 
• Acquired Japanese JHIA mark (Japan Heating Appliances Inspection Association)

• 
• Developed a condensing oil boiler -- first in Asia

• Exported a stainless-steel oil boiler to Japan

• 
• Topped the list in boiler production and market share in local market

• 
• Acquired Poland quality certification UTD (Poland
  government)

• 
• Acquired Turkish certification TSE (Turkish Standard Association)
  
  Acquired Brazilian quality certification INMETRO, COMGAS

• 
• Developed word’s first stainless-steel plate condensing heat exchanger

• Developed Pneumatic Gas-Air Ratio Control system

• Acquired European quality certification CE for a
  conventional oil boiler

• 
• Acquired safety quality license (SQL) approved by Chinese government

• Launched a solar thermal system boiler

• Acquired Russian quality mark GOST certification (Russian Standard Committee)

• 
• Developed a ‘Ting-a-Ring’ function to turn a boiler on and off

• 
• Set up China corporation, Beijing KyungDong Boiler Co., Ltd. (Current BEIJING KYUNGDONG NAVIEN HEAT ENERGY EQUIPMENT CO., LTD.)

• Launched an absorption refrigerator and vacuum hot-water heater

• 
• Launched a residential stainless-steel oil boiler

• 
• Set up a boiler factory in China

• 
• Exported a gas boiler to China

• 
• Changed company name to KyungDong Boiler Co., Ltd.

• Launched a wall-hung, stainless-steel storage gas boiler

• Launched an instantaneous (combi) gas boiler

• 
• Exported a condensing heat exchanger to Nefit in Netherlands

• 
• Launched a condensing gas boiler--first in Asia

• 
• Launched FF(forced draught & balance flue) type boiler

• 
• Launched a gun type oil burner

• 
• Launched a industrial high pressure boiler

• 
• Launched a compact rectangular oil boiler

• 
• Founded KyungDong Machinery Co., Ltd.