A Virginia retrofit pairs propane and electric to eliminate resistance heat, cut energy costs, and deliver consistent comfort ...
The Fraunhofer Institute for Solar Energy Systems ISE is developing easy-to-use and reproducible solutions for replacing gas and oil heating systems in existing multi-family homes with partners in the ...
Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) has unveiled a new heat pump intended for use in industrial processes with heating and cooling requirements. The German ...
Propane heat pumps for indoor use in single-family homes are now one step closer to commercialization. Germany’s Fraunhofer ISE has successfully developed a model of a heat pump refrigeration circuit ...
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