I second the ROI comment. The Queensland Govt ran a scheme here for a while called Climate Smart http://www.climatesmarthome.com http://www.climatesmarthome.com

I second the ROI comment. The Queensland Govt ran a scheme here for a while called Climate Smart http://www.climatesmarthome.com http://www.climatesmarthome.com The meter cost $50 and was one of those clip on passive devices. Ended up identifying about $300/qtr of wasted power for me. I had faulty Kitchen appliances and an incorrectly wired hot water system.