Apologies if this has been posted before but a search didn't throw it up. A pretty comprehensive report on the effectiveness of hot water heat pumps in Australia ...
http://www.energyrating.gov.au/wp-content/uploads/Energy_Rating_Documents/Library/Heating/Heat_Pumps/costs-res-heat-pump-water-heaters.pdf
Posted Friday 5 Oct 2012 @ 7:06:01 am from IP
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