Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
I was thinking of the price for the complete setup (couple of 50-m wells, heat pump, low temperature radiators, possibly solar-hybrid with hot water). Well-collector heat pumps have much higher COPs these days: Viessmann claims up to 6-7 (but that brand is really pricey).

by Pierre on Tue Jul 11th, 2006 at 03:27:57 AM EST
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