In general these are permanent rooms and not a portable grow tent.
Established grow rooms are typically easier access to electrical outlets
Many concepts of an effective grow tent can be applied just on a larger and more permanent scale.
Starting with a grow tent can help to minimize the mistakes made at the bigger and more expensive level of growing.
Link to Lecture Slides: https://drive.google.com/open?id=1TgM2ba3Qujm3hUIMou_sBqVIf_HafiyP
*Full work cited for “Cannabis Grow Rooms” can be viewed at… https://drive.google.com/open?id=12cQha75wRWLd5kkfl8DE1TXmG4Jk6ep9