Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |  |
One reason might be that some of the radiant gains are being lost from the building. Since radiant gains are distributed to the surrounding wall surfaces, they are turned into space loads when that energy is being convected from the wall into the air of the zone. While that is happening some of the radiant gains that have been absorbed by the wall are being transmitted through the wall to the exterior and lost to the external environment.
