Abstract
A chemical heat pump system that will use solar energy to heat a home in winter, cool it in summer, and provide hot water all year round is being developed by scientists at EIC Laboratories, Newton, Mass. The system, developed under contract to the Department of Energy, is based on the reaction of methanol vapor with anhydrous calcium chloride to form the solid-phase methanolate, CaCl 2 -2CH 3 OH. The primary virtue of this system, says Peter O'D. Offenhartz, its main developer, is its ability to store highquality energy that can be used to provide both heating and air conditioning in the same package. Though the EIC heat pump is similar in concept to other chemical heat pumps now being used or developed, it does offer a number of innovations, not the least of which are its novel refrigerant (methanol) and absorption medium (calcium chloride). The system is activated by ...
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