Singapore Mandates Office Temperature Hikes as Regional Energy Crisis Challenges City’s Historic Cooling Culture

Singapore mandates 25C office temperatures as the Iran war disrupts oil supplies, forcing the city to rethink its traditional reliance on air-conditioning.

By: AXL Media

Published: Apr 10, 2026, 5:34 AM EDT

Source: Information for this report was sourced from BBC News

A Departure from the Cooling Legacy of Lee Kuan Yew

Singapore is fundamentally re-evaluating its historical reliance on intensive air-conditioning as the geopolitical fallout from the Middle East reaches a critical threshold. For decades, the nation has operated under the philosophy of its founding father, Lee Kuan Yew, who famously credited climate control as the primary driver of public efficiency in tropical regions. However, the Ministry of Sustainability and the Environment announced on April 8 that government agencies must now lead an energy-saving campaign. Employees have been ordered to set thermostats to at least 25C, a significant shift for a workforce often accustomed to wearing sweaters indoors to combat icy office climates.

The Economic Stranglehold of the Strait of Hormuz Closure

The urgency of these conservation measures is directly tied to the effective shutdown of the Strait of Hormuz, a maritime chokepoint essential for Singapore’s energy security. With approximately two-thirds of the nation’s crude oil imports originating from the Middle East, the disruption of these supply chains has caused a sharp spike in domestic fuel prices. While authorities have not yet resorted to drawing from national fuel reserves or implementing mandatory rationing, the government is utilizing smart sensors and LED lighting upgrades to reduce the administrative power footprint. According to the Ministry, every single degree raised on an air-conditioning unit can reduce energy requirements by approximately 10%.

Coordinated Austerity Across Southeast Asian Neighbors

Singapore’s policy shift mirrors a wider regional scramble to insulate economies from the "Asian crisis" caused by the war. Thailand has implemented similar directives, urging its citizens to keep cooling units between 26C and 27C while encouraging carpooling and public transit. In the Philippines, where 98% of oil is imported from the Middle East, the government was forced to declare a national energy emergency in March after petrol prices more than doubled. These coordinated efforts highlight a growing consensus among Asian leadership that the era of inexpensive, unrestricted energy consumption has been interrupted by external conflict.