When? The Air-Con Policy was relaunched in Term 3, 2015. It is carried out all year round.
Why? The policy aims to encourage the Hwa Chong population to reduce their usage of the air-conditioner and to increase the temperature of the air-conditioner to the recommended 25°C as much as possible.
How? Classes are required to switch off their air con for at least 4 hours of tutorial lessons a week. They are given the autonomy to choose which lessons to switch off the air-con on. Lessons that are already held in non air-conditioned venues, such as Lab Practicals and PE are not allowed to be counted. However, if the class’s tutorial lessons are held in Block B’s non air-conditioned classrooms, they can clock those hours.
Each class’s Green Representative is in charge of managing the class’s air-con usage. After each lesson, the Green Representatives are to key in the hours that the class has clocked on a Google Form and request that the teacher counter-sign with a password.
We encourage classes to switch off their air-con in the mornings, between 8am to 10am, when it is not as hot. We also encourage classes to switch off the air-con during and after it is raining, as the weather is cooler then. If classes are unable to hit the 4 hour target (such as if their lessons are frequently held in air-conditioned classrooms with no windows), their Green Representative should contact their Green Councillor in charge.
Classes are strongly discouraged from turning on both fan and air-con at the same time, especially for extended periods of time. This is a waste of electricity.