Thermal performance of windows and doors - Determination of thermal transmittance by hot box method - Part 2: Roof windows and other projecting windows (ISO 12567-2:2005)
This part of ISO 12567 specifies a method to measure the thermal transmittance of roof windows and projecting windows.
It does not include:
-- edge effects occurring outside the perimeter of the specimen;
-- energy transfer due to solar radiation on the specimen;
-- effects of air leakage through the specimen.