|heat loss house drawing|
|Infrared imaging of house|
Diagrams abound on the heat loss problems with houses in the northern hemisphere.
There is even a market in conducting thermal infrared house surveys to detect cold spots. Very pretty pictures that tell a chilling tale of heat loss, of course.
This picture is courtesy of Multiguard Solutions.
An hour ago I listened to the news on the radio and discovered that this is part of a Green Deal the UK government are consulting on. They plan to legislate so that if you want to improve your home by extending it, then you may only get planning permission if you pay for loft insulation and draught proofing at the same time. Watch this space!