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Legal principles for climate assessment
The occupational health and safety system in Germany is structured hierarchically. Basic protection goals and minimum standards are formulated on a European level and provide the framework for the national drafting.
In Germany, occupational health and safety is controlled legally by the Federal Government and the federal states, as well as the accident insurers in a dual system. Laws generally control the basic requirements. Accident insurers specify the protection goals or indefinite legal concepts in an industry-related manner in accident prevention regulations. Information brochures of the accident insurers contain information and recommendations for certain industries or activities. Specific provisions regarding occupational health and safety in the company may be agreed upon between employers and employees, e.g. in internal agreements.
EU directives
Council Directive 89/654/EEC of 30 November 1989 concerning the minimum safety and health requirements for the workplace (EC Workplaces Directive)
annex I, II item 6 Ventilation of enclosed workplaces and annex I, II item 7 Room temperature
Council Directive 92/57/EEC of 24 June 1992 on the implementation of minimum safety and health requirements at temporary or mobile construction sites (EC Construction Site Safety Directive)
annex I, item 5 Lüftung (ventilation) and annex I item 7 Temperatur (temperature)
Official regulations
Safety and Health at Work Act (ArbSchG)
from 12 August 2004 (Federal Gazette I no. 44, page 2179, last changed on 30 November 2016)
Workplaces Ordinance (ArbStättV)
from 12 August 2004 (Federal Gazette I no. 44, page 2179, last changed on 30 November 2016)
ASR A3.5 "Technische Regel für Arbeitsstätten: Raumtemperatur" (Technical rule for workplaces: Room temperature)
(Joint Ministerial Gazette no. 35 from 23 June 2010, page 751)
ASR A3.6 "Technische Regel für Arbeitsstätten: Lüftung" (Technical rules for workplaces: Ventilation)
(Joint Ministerial Gazette no. 6 from 27 February 2012, page 92)
Set of rules of the accident insurers
DGUV Rule 115-401 "Office businesses sector" (PDF file, 6 MB)
Standards, directives
DIN EN ISO 7726
Ergonomics of the thermal environment - Instruments for measuring physical quantities
DIN EN ISO 7730
Ergonomics of the thermal environment - Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria
DIN EN ISO 7933
Ergonomics of the thermal environment - Analytical determination and interpretation of heat stress using calculation of the predicted heat strain
DIN EN ISO 8996
Ergonomics of the thermal environment - Determination of metabolic rate
DIN EN ISO 12569
Thermal performance of buildings and materials – Determination of specific airflow rate in buildings - Tracer gas dilution method
DIN EN 12599
Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems
DIN EN 12792
Ventilation for buildings - Symbols, terminology and graphical symbols
DIN EN 13779
Ventilation for non-residential buildings - Performance requirements for ventilation and room-conditioning systems
DIN EN ISO 15265
Ergonomics of the thermal environment - Risk assessment strategy for the prevention of stress or discomfort in thermal working conditions
DIN 33403/part 2
Climate at the workplace and in its environments. Effect of the climate on the heat balance of human beings.
DIN 33403/part 3
Climate at the workplace and in its environments
Part 3: Assessment of the climate in the warm and hot working areas based on selected climate indices.
DIN 33403/part 5
Climate at the workplace and in its environments
Part 5: Ergonomic design of cold workplaces
Standards are not for free and may be purchased with the Beuth Verlag (www.beuth.de).