This calculator calculates the thermal transmittance of the house.
Please use it as a reference only and for accurate information, please check the documents of the administrative rules of the National Law Information Center > Ministry of Land, Infrastructure and Transport > Notice of the Ministry of Land, Infrastructure and Transport > Building Energy Conservation Design Standards.

reference information
Documents of the National Law Information Center - Attached documents of energy saving design standards for buildings [Enforcement 2023.2.28]
Heat transfer rate of material (KS certification) of Korea Passive Association