This was a somewhat light-hearted presentation at our Task 24 Oxford Workshop Oct 9-10, 2012, looking at the difficulties of implementing good behaviour change policy, programmes and initiatives.
Long known: energy efficiency improvements can lead to increased energy use (~30%) energy-inefficient homes often use less energy already (thus energy efficiency improvements will not lead to predicted savings)
Efficiency is one of the most frequently used terms in thermodynamics to assess the performance of a system, process, or application, and it indicates how well it functions or how well the goal is accomplished. However, efficiency is one of the most frequently misused terms in thermodynamics and often becomes a source of misunderstanding and misrepresentation. This is because efficiency is often used without being properly defined first.
Empty Danish summer cabins being heated all winter by ‘highly efficient’ heatpumps to avoid pipes freezing...
It all starts with good design...
Same policy intervention based on subsidy plus social marketing. Very different outcomes.
You still need smart people who understand energy efficiency in the marketing department...
minor fraud and safety issues
100s of houses burnt down; 4 people dead; Minister lost his portfolio; $100s million fraud; 37,000 houses still in danger of downlight fires
Works for some, but not for others...
Good idea but people either don’t understand it, so it is not worth the huge costs of accounting and can lead to wilful misrepresentation by businesses (eg NZ butter, which is actually less carbon intensive than it takes a UK soccer mom in her SUV to drive to Tesco to buy the British brand!)