What is an indirectly conditioned space?
indirectly conditioned space is one in which it is intended that the heating, cooling or ventilation is be provided indirectly from an adjoining space. An example of this would be a corridor next to offices which is not directly heated but is conditioned through the movement of heat and air from the adjacent offices. An indirectly conditioned space should be considered to be conditioned by the HVAC system that supplies the most important surrounding area.
