However, most hotel chains and investors have little interest in anything more.
Highly intelligent security systems that give staff electronic instructions and
control all relevant building automation systems in an emergency, such as
turning off the air conditioning systems, opening fire doors, opening smoke
extraction vents for smoke-free stairwells, activating emergency lighting,
activating CCTV systems for locating the sources of danger, individual and
logged evacuation announcements, detailed information for rescue services on
action already taken etc., are rejected for cost reasons - even in VIP hotels