-	Not detected influential level
AC	Air-conditioning
breath air	Sum of exergies contained by the inhaled humid air
BRI	Building-related illness
C	Heat capacity of material
C/W conv in/out	Warm/cool convective exergy absorbed by/discharged from the whole skin and clothing surfaces into the surrounding air
C/W rad in/out	Warm/cool radiant exergy absorbed by/discharged from the whole skin and clothing surfaces; exhal sweat, exhalation and evaporation of sweat
C/W	Cool/warm exergy
CH2O	Formaldehyde
Clo	Clothing insulation
CO2	Carbon dioxide
C ${\mathrm{CO}}_2$	Concentration of CO2
C heat	Energy use for heating
C cool	Energy use for cooling
CS	Circadian stimulus
db	Dry bulb
DF	Daylight factor
DGP	Daylight glare probability
E h	Horizontal illumination
E v	Vertical illumination
g	Total solar energy transmittance
H	High influential level
hbExC	Human body exergy consumption valid for thermoregulation
HVAC	Heating, ventilation and air-conditioning systems
IEQ	Indoor environmental quality
Il in1	Internal work plane illumination 1
Il in2	Internal work plane illumination 2
Il out	External illumination
I rgo	Direct solar radiation
I rdo	Reflected solar radiation
L	Low influential level
LowEx	Low exergy
$\dot{L}$	Rate of thermal load on the body surface area
LA eg	Equivalent continuous sound level
L w	Weighted impact sound pressure level of indoor building elements
M	Medium influential level
met th	Metabolic thermal exergy, stored, stored exergy in the core and in the shell
Met	Metabolic rate
MS	Melatonin suppression
P e	Precipitation detection
REE	Resting energy expenditure
RH ai	Relative humidity of indoor air
RH ao	Relative humidity of outdoor air
R w	Weighted sound reduction index of indoor elements
R w,f	Weighted sound reduction index of facade
SHGC	Solar heat gain coefficient
T ai	Temperature of indoor air
T ao	Temperature of outdoor air
TBSA	Percentage of the total body surface area that is affected by a burn
T CP	Colour temperature
T cl	Clothing temperature
T cr	Body core temperature
T medium	Temperature of medium
T mr	Mean radiant temperature
T o	Operative temperature
T rev	Reverberation time
T set up	Set temperature
T sk	Skin temperature
T surf	Surface temperature
SBS	Sick building syndrome
UCCPS	User-centred cyber-physical system
U nt	Thermal transmittance of non-transparent parts of building envelope
U o	Uniformity ratio
U tr	Thermal transmittance of transparent parts of building envelope
v ai	Indoor air velocity
VH	Very high influential level
VL	Very influential level
VOCs	Volatile organic compounds
W p	Wind speed
W d	Wind direction
X diff	Material moisture content due to diffusivity
η	Phase shift
ν	Thermal damping factor
τ ao	Light transmittance