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It's true COP doesn't matter on the power savings side, but it helps in that you can heat a bigger space with a pump of a given size (you save upfront cash on the collector, you save room in you basement, you need less of complementary heating, things like that... and also, I like the best technology, better have it in heat pumps than in sport cars !)

Pierre
by Pierre on Tue Jul 11th, 2006 at 04:21:24 AM EST
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