Carbon dioxide (CO2) is not new to refrigeration systems. Alexander Twining proposed using CO2 as a refrigerant in a British patent granted him in 1850. Thaddeus S.C. Lowe, perhaps best known for his ...
WARM PRODUCT: An evaporator can be cold but inactive, causing warm refrigerated space temperatures, which can damage product quality. (Staff photo) Service technicians often wonder how the ...
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