Context
- The British School, Bangkok, Thailand
- 483 students in air-conditioned classrooms
- Average ambient temperature 27°C, previous default cooling setting 21°C
Results
- 18% reduction in baseline electricity usage after 1 month (USD $21000 annualised saving)
- 9% reduction in CO2 emissions
- No noticeable impact to test scores or classroom behaviour
- Female students reported being more comfortable
Methods
- Used Go25degrees calculator to estimate the benefits
- Set classrooms to 25°C except for biology classroom
- Communicated rationale to students through the Go25degrees educational pamphlet