2011 |
01 |
Patent application for scale prevention of open/closed cooling/heating and cold/hot water production system using geothermal energy |
01 |
Patent application for a built-in heat exchanger for a hot water tank and temperature maintenance system for hot water using that heat exchanger |
10 |
Patent registration for invention of wastewater circulating automatic washing type evaporator of wastewater recovery type heat pump |
10 |
Patent registration for invention of bare tube-type evaporator of waste water recovery type heat pump |
2012 |
03 |
Patent registration for invention of heat pump system for hot water supply |
07 |
Confirmed as a venture company by Korea Technology Finance Corporation |
2013 |
03 |
Patent registration for invention of binary heat pump system |
2014 |
12 |
Development of large capacity air heat binary heat pump for cooling/heating (90HP / 150HP) |
2015 |
09 |
Selected as a "economic delegation" company by the President during the visit to China (was the only company in the fields of energy and environment) |
2016 |
02 |
Heat pump performance test certification by Korea Institute of Machinery and Materials (World's first success in normal operation of COP 2.02 at -38℃) |
09 |
Patent registration for invention of binary heat pump heating and cooling system |
2018 |
02 |
International patent registration (China) for invention of the binary heat pump device |
2019 |
04 |
Heat pump performance test certification by Korea Institute of Machinery and Materials (World‘s first success in normal operation of COP 2.29 at -38℃) |
06 |
Acquired ISO9001:2015 Quality Management System Certificate |