Compare the thermal image of our Passivhaus Mayville Community Centre with a nearby school built in 1958 (click more below). Same time, same camera settings. Use the temperature scale to see the facade temperature. The nearer to yellow, the more heat is being wasted. The nearer to blue or black, the less heat is being wasted. Enough said.
Thermal image of the Newington Green Primary School, built 1958. Air temp just above freezing