Different kinds of spaces come with different indoor climate specifications. This chart contains some common examples, based on Norwegian standards.Open-planClassroomsPatient room (office)(school) (hospital)Thermal comfortOperative temperaturewinter (C) Min 19C Min 19C Min 22C Operative temperature summer (C) Max 26C Max 26C Min 24CRadiative temp. asymmetry cool ceiling (C) 12-14C 12-14C 12-14CRadiative temp. asymmetry warm ceiling (C) 3-5C 3-5C 3-5CRadiative temp. asymmetry cool wall (C) 8-10C 8-10C 8-10CRadiative temp. asymmetry warm wall (C) 21-23C 21-23C 21-23CDraught (m/s) Max 0.15 m/s Max 0.15 m/s Max 0.15 m/sAir velocity frequency (Hz) Min 2 Hz Min 2 HzMin 2 HzTemperature floor (C) 19-29C 19-29C 19-29CVertical air temperature difference (C) Max 3C Max 3C Max 3CRelative humidity (RH) 20-40% 20-40% 20-40%Visual comfortMaintained illuminance, lux 500-750 lux Min 300 lux (500Min 300 lux (+ lux for eveningdimming)classes)Colour rendering, Ra Min 80 Ra Min 80 Ra Min 80 RaLight colour temperature, K 3000K 3000 - 5500K27003000K(dynamic)Daylight factor (%) Min 2.5%Min 4% Min 5%Glare rating (UGR) Max 19 Max 19 Max 19Uniformity (U0) Min 0.6 Min 0.6 Min 0.6 Acoustic comfortBackground noise: equivalent sound pressure level 35 dB 30 dB 30 dB(LA eq)Peak noise: maximum sound pressure level (LAF max) 40 dB 35 dB 35 dBReverberation rime (Tr) 0.5 - 0.6 sec. 0.6 sec. 0.5 sec(125-5000 Hz)Privacy: Spatial decay ISO 3382-3 (D2,s / Lp,As4m) 6 / 49 dB not relevant not relevantSpeech Clarity (C50; 125 - 4000 Hz) not relevant 6 8Sound insulation (Rw) not relevant 48 dB 48 dBAir qualityCO 2level (ppm)Max 1.000 ppmMax 1.000 ppm Max 1.000 ppmVentilation rate average (m/hr/per) Min 26 m Min 26 m Min 26 mRadon concentration indoor air (Bq/m) Max 200 Max 200 Max 20045