Are Air Source Heat Pumps a Threat to Geothermal Heat Pump Suppliers?

Last year, geothermal heat pump (GHP) manufacturers introduced new heat pumps with break-through efficiency based on variable-speed compressor technology. These manufacturers include Waterfurnace Renewable Energy (TSX:WFI, OTC:WFIFF) and ClimateMaster, a division of LSB Industries (NYSE:LXU).

via Renewable Energy News – RenewableEnergyWorld.com http://ift.tt/1c6ZdAP

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