Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
Following the ISO 13790, it is not:
In particular you have not to dived a space in more thermal zone if:
Set-point temperatures for heating/cooling of the spaces differ by no more than 4 K;
The spaces is serviced by the same heating systeme (if any) and the same cooling system (if any);
At least 80% of the floor area are serviced by the same ventilation system;
The ammount of ventilation (in cubic metre per square metre of floor area per second) differs by not more than a factor of 4 within 80% of the floor area.
