1. ISO 12567-1:2010, Thermal performance of windows and doors — Determination of thermal transmittance by the hot-box method — Part 1: Complete windows and doors, International Standard Organization, 2010.
2. ASTM C1199-09: Standard Test Method for Measuring the Steady-State Thermal Transmittance of Fenestration Systems Using Hot Box Methods, American Society for Testing and Materials, 2009.
3. KS F 2278, Test method of thermal resistance for windows and doors, Korean Agency for Technology and Standards, 2008.
4. ISO 12631, Thermal performance of curtain walling — Calculation of thermal transmittance, International Standard Organization, 2012.
5. ISO 10077-2, Thermal performance of windows, doors and shutters — Calculation of thermal transmittance — Part 2: Numerical method for frames, 2012.