No Legal Heat Break, Yet Schools Close: German Employers Face a Sticky Summer

Berlin — As Germany’s Bundestag debated heat-protection measures on Thursday, business owners across the country realised they could end up caught between a legal vacuum and a sudden spate of school closures. Neither the opposition’s push for a statutory right to stop work in extreme temperatures nor the existing technical guidelines offer companies a clear path forward when classrooms empty and parents need time off.

Opposition parties are demanding regulatory teeth. The Greens want binding heat-protection rules and more urban greening; Die Linke goes further, calling for a “heat-free” day for employees. Both motions were referred to committees for further discussion. Currently, German workplace heat rules rest on the Technische Regeln für Arbeitsstätten (ASR), which recommend initial employer measures at 26 degrees Celsius and make protective steps compulsory at 30 degrees. Above 35 degrees, rooms are deemed unfit for work unless specific safeguards such as drinking water, fans or relaxed dress codes are in place. Workers who simply stay home risk a formal warning—private-sector law grants no legal entitlement to extra breaks or heat-free hours.

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Austria Already Pays 60% From 32.5°C

The European Trade Union Confederation (EGB) is pressing for change. Secretary General Esther Lynch stressed the need for cooling pauses, while the World Health Organisation has warned of deadly heat risks for outdoor workers, the chronically ill, and pregnant employees.

Austria has already acted. A heat-protection regulation introduced in early 2026 covers roughly 400,000 outdoor workers: at 32.5 degrees they may stop work, with their holiday and severance fund paying 60 percent of wages. The Bau-Holz trade union wants the trigger lowered to 30 degrees. Enforcement remains shaky—out of 700 spot checks, 491 violations were recorded.

Schools Loosen Rules, Pressure Shifts to Offices

Education authorities are also moving. North Rhine-Westphalia now allows shortened lessons and heat-free days for upper secondary students—initially until the end of July. Baden-Württemberg plans a switch from measuring outdoor temperatures at 11 a.m. to using actual classroom temperatures, with 30 degrees being discussed as a hard limit.

These changes hit companies directly. When schools close at short notice, parents need time off—and the absence of a national heat-protection law means employers have no statutory guidelines on how to handle such requests. Organisational chaos looms.

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Renovation Backlog: €65 Billion for Cooler Buildings

The education union VBE warns that temporary class cancellations are mere patches. What is needed, it says, is massive investment in climate-resilient infrastructure. The renovation backlog for German schools alone stands at roughly €65 billion. Shading, modern ventilation systems and heat-resistant construction are demanded for classrooms, production facilities and office buildings alike.

For now, German businesses face a summer of improvisation: school closings, no legal right for workers to down tools, and a long-term bill for retrofitting that nobody has fully costed.

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