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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 Information 213-002 "Hitzearbeit erkennen - beurteilen - schützen" (Working under heat identify - assess - protect) (hitherto: BGI 579) (PDF file, 3 MB)

DGUV Information 213-022 "Beurteilung von Hitzearbeit Tipps für Wirtschaft, Verwaltung, Dienstleistung" (Assessment regarding work performed under heat tips for economy, administration, service) (hitherto: BGI/GUV-I 7002) (PDF file, 1 MB)

DGUV Information 215-510 "Beurteilung des Raumklimas Handlungshilfe für kleine und mittlere Unternehmen" (Room climate assessment - guideline for small- and medium-sized companies) (hitherto: BGI 7003) (PDF file, 831 KB)

DGUV Information 215-520 "Klima im Büro Antworten auf die häufigsten Fragen" (Climate in offices answers to the most frequently asked questions) (hitherto: BGI 7004)

DGUV Rule 115-401 "Office businesses sector" (PDF file, 6 MB)

Standards, directives

Ergonomics of the thermal environment - Instruments for measuring physical quantities

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

Ergonomics of the thermal environment - Analytical determination and interpretation of heat stress using calculation of the predicted heat strain

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 (

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