ISO/IEC/TS 22237-4 (2018-04)

ISO/IEC TS 22237-4:2018 addresses environmental control within data centres based upon the criteria and classifications for 'availability', 'security' and 'energy efficiency enablement' within ISO/IEC TS 22237-1.
ISO/IEC TS 22237-4:2018 specifies requirements and recommendations for the following:
a) temperature control;
b) fluid movement control;
c) relative humidity control;
d) particulate control;
e) vibration;
f) floor layout and equipment locations;
g) energy saving practices;
h) physical security of environmental control systems.
Issues related to electromagnetic environment can be found in ISO/IEC TS 22237-6.