Sustainable Living: 3M FuturewiseTown PlanIntroductionGo BackGo Next: Convection currents3M

Front of school building

Back to front of school building

2. Wall

Reduce energy lost

Although cavity walls trap air and air is a good insulator of heat,
the gap between the walls is quite large and the temperature
difference between the two walls would set up convection currents
so heat loss still occurs.

Do you want to learn about convection currents?

YES NO