Do not unnecessarily leave lights, computers, electromedical equipment, and Anaesthetic Gas Scavenging Systems (AGSS) turned on when operating rooms are not in use; instead, implement energy-saving strategies (set-back mode) when indicated.
The operating department is among the most energy-intensive areas of a hospital: it is essential to turn off lights, computers, and electromedical devices when not in use. The Heating, Ventilation, and Air Conditioning (HVAC) and the Anaesthetic Gas Scavenging System (AGSS) alone account for 90% of the total energy consumed in an operating room. Therefore, activating energy-saving modes (set-back mode) during periods of inactivity can reduce energy consumption and costs without compromising environmental sterility when activities resume. Further energy-saving strategies include using LED lighting and installing motion sensors in common areas and accessory rooms.
Sources
1. Brighton & Sussex Medical School et al. Green surgery: Reducing the environmental impact of surgical care (v1.1) [Internet]. London: UKHACC; 2023 (last accessed: January 2026). https://ukhealthalliance.org/sustainable-healthcare/green-surgery-report/
2. Wormer BA, Augenstein VA, Carpenter CL et al. The green operating room: simple changes to reduce cost and our carbon footprint. Am Surg. 2013;79:666-71.
3. Nurses Climate Challenge. Sustainable operating theatres PART I - LEARN [Internet]. Reston (VA): Alliance of Nurses for Healthy Environments; 2024.
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PDFAttention. Please note that these items are provided only for information and are not intended as a substitute for consultation with a clinician. Patients with any specific questions about the items on this list or their individual situation should consult their clinician.
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