
Smart meters, residential heat pumps, residential hot water cylinder wraps, solar hot water and passive solar design provide the best combination of energy/dollar savings and emission reduction.
WWF New Zealand - http://www.wwf.org.nz/ - has published a report that determines the top five demand side actions that give the greatest economic return and greenhouse gas emission reduction. To view this WWF report, click here - http://www.wwf.org.nz/index.php/about_us/public...
This report needs to be read and discussed internationally to ensure the encouraging findings are used to inform current government domestic climate change policy development - and to inform householders of the best demand side actions they can adopt.