Ground Water Canada

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R717 and R600 more efficient in geothermal heat pumps, study finds

August 17, 2018  By Hydrocarbons21

Iran – In a new study of geothermal heat pumps published in The Journal of Renewable and Sustainable Energy, systems using ammonia (R717) or n-butane (R600) were found to be more efficient than those employing R22 or R134, as well as more economical. Hydrocarbons21 reports. | READ MORE


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