Opening the blinds allows the classroom to warm up more in the winter.

 Removing the door stops helps to keep doors closed on cold days.

Keeping the blinds closed keeps out the hot sun during the spring and summer months. 

Some days our fans can stay switched off.

 The central heating pipes have a warm jacket on

 Light sensors switch off lights when we are out at breaktime.

 Our cloakroom light switch is now a sensor.