EnergyX DY-Building (Korean: 에너지엑스 DY빌딩) is a zero-energy building located at 505, Hyangdong-dong, Deokyang-gu, Goyang-si, Gyeonggi Province, South Korea.

[4] Active systems refer to the mechanical and electrical design phase aimed at handling the loads required to maintain a comfortable indoor environment, including cooling, heating, hot water, lighting, and ventilation.

A total of 11 EHP units have been installed, with an average Coefficient of Performance (COP) of 3.54 for cooling and 3.72 for heating, utilizing first-grade energy efficiency products.

To enhance indoor air quality and comfort, a ventilation system has been introduced, and 39 total heat exchangers have been installed across various zones.

[3] In the case of the Energy X DY Building, the façade was designed using a curtain wall system, and the solar modules were planned as follows: BIPV-1 (spandrel panels), BIPV-2 (vision area), and BIPV-3 (opaque cladding materials).