Comments on: Farm Animals Kept Warm or Cool by Geothermal http://cleantechnica.com/2012/12/02/farm-animals-kept-warm-or-cool-by-geothermal/ Clean Tech News & Views: Solar Energy News. Wind Energy News. EV News. & More. Mon, 29 Dec 2014 06:32:00 +0000 hourly 1 http://wordpress.org/?v=4.0.1 By: Tom G. http://cleantechnica.com/2012/12/02/farm-animals-kept-warm-or-cool-by-geothermal/#comment-142679 Mon, 03 Dec 2012 14:15:00 +0000 http://cleantechnica.com/?p=45686#comment-142679 Something Else To Consider

Just stop using propane – heat pumps are far more economical. With propane you get 1 unit of heat energy for each unit of heat energy. With heat pumps you get 3 units of heat energy for each unit of energy.

A gain of at least 300% in heat energy seems like a bargain compared to the high cost of propane.

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