Refrigeration load reduction system and methods

This invention describes a simple system to help refrigerators work less hard. It involves a small, permeable bag or packet filled with a granular mixture of a sodium carbonate mineral, such as trona, and a carboxylic acid. When placed inside a refrigerator's air circulation path, this mixture helps reduce the cooling load, likely by absorbing moisture or through a chemical reaction.

Why it matters: Energy efficiency standards for refrigeration units have significantly tightened since 2015, increasing the value of passive load reduction methods. Advances in material science for gas-permeable membranes could also improve system performance.

Status: ExpiredProtection ended and was never renewed
How hard to build: SimpleFlexible packet, granular chemical mixture

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