| Stability of the heat source | Eco-friendly energy | Energy saving | Additional benefits | Non-exhaustible |
|---|---|---|---|---|
Seasonal temperature variations are smaller compared to the ambient temperature |
Contributes to a reduction of about 30-70%* of greenhouse gases compared to the use of fossil fuels |
Can save approximately 30-70% of energy compared to the use of fossil fuels |
Eliminates issues such as cooling tower noise and alleviates urban heat island effects by not using outdoor units |
Abundant resources available from nearby water pipes, rivers, and dams |
* Example from Lotte World Tower: Energy saving of 35.8%, CO₂ reduction of 37.7%