Legal requirements: What does the Workplace Ordinance stipulate?
The Workplace Ordinance (ArbStättV) stipulates that ‘room temperatures conducive to good health’ must prevail in workrooms. These requirements are set out in more detail in the Technical Rule for Workplaces ASR A3.5 ‘Room Temperature’. For office work classified as ‘light work’, a minimum temperature of 20 degrees Celsius applies. For moderately heavy physical work, the minimum is 19 degrees, and for heavy work, 12 degrees. These values apply throughout the entire working day and are intended to ensure that employees are not subjected to stress caused by the cold.
Optimal office temperature: balancing comfort and productivity
Studies and experts recommend a room temperature of between 20 and 24 degrees Celsius for offices. At 20 degrees, the statutory minimum requirement is met, whilst 22 to 24 degrees are regarded by many as ideal for concentration and productivity. A temperature that is too low can reduce concentration and lead to health problems in the long term, whilst temperatures that are too high can cause fatigue and discomfort.
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Exceptions for building sites
A temperature of 18 °C is sufficient for break rooms and toilet facilities on building sites. However, it must also be ensured that a temperature of 21 °C can be achieved.
Practical tips for employers
- Regular checks: The room temperature should be checked and recorded regularly, particularly during the transitional months.
- Flexible solutions: Take employees’ individual needs into account, e.g. through adjustable heating or ventilation options.
- Clothing and breaks: In extreme temperatures, adapted dress codes or additional breaks can help maintain well-being.
- Technical measures: Modern air-conditioning or heating systems with smart controls can save energy whilst ensuring a comfortable indoor climate.
Conclusion
The statutory minimum temperatures are clearly defined, but the optimal indoor climate also depends on individual factors. Employers should comply with the requirements of the ArbStättV and ASR A3.5 whilst also catering to the needs of their staff – to ensure a healthy, productive working environment.
Tip: The temperature is measured at a height of 0.6 m (when seated) or 1.1 m (when standing) – using a radiation-shielded thermometer.
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Sources
- GMBI Contents, Issue No. 09-11/2022 (not publicly available)
- unofficial text from the 2022 Working Committee (publicly available)