geothermal heat pump, geo heat pump, Korean air conditioner

Korea’s no.1 heat pump manufacturer, Onsiwon System | Company Introduction

Onsiwon System is a group of specialists in the production of heating and air-conditioning equipment. We design and manufacture heat pump and meet the requirements of the customer.

Our company pursues the goal of green growth together with nature and plans, produces and sells major business fields.
In addition, we design a high-efficiency heat pump (chiller / heater) to use heat sources such as geothermal, waste heat, and sewage heat to realize the environment-friendly heating and cooling system by producing heating and cooling water for buildings.

Onsiwon System 01onsystem

Our company is comprised of experts from the fields of planning and the relevant department of the specialty freeze-drying company for long years.


Onesiwon System 02

Our company aims of green growth with the nature and the main business field is planning, production and selling high efficiency heat-pump (chiller/heater) by using geothermal heat, hydrothermal and waste heat which are new and renewable energy.


Onsiwon System 03

All members are trying our best to stabilizing the quality improvement and we support the ‘high customer satisfaction’ policy.


Onsiwon System 04

We are proudly introduce that we are trying our best to raise the value of existence with our nature and environment.