Retrofittable air conditioner to refrigeration conversion unit

Patent No. 9,062,906

Issued: June 23, 2015
Filed: June 29, 2010
Term Extension: 162 days

Inventors: Khosla; Ronald R. (New Paltz, NY), Weber; Timothy J. (Ithaca, NY)
Assignee: Store It Cold, LLC (Lehigh Acres, FL)


A conversion unit for an air conditioning system to cause it to act like the cooling unit of a refrigeration system comprises a frost detector, an A/C temperature control defeating mechanism and a control unit which operate together to force the range of operation of the air conditioning unit into the range of operation of a refrigeration unit. The conversion unit is particularly useful for providing low cost cooling systems for farmers in third world countries for keeping their produce fresh and safe, not to mention its use by all farmers around the world and by florists or others in need or desire of an economical refrigeration alternative. The present invention is also usable to provide inexpensive cooling to RV's and to refrigerated vehicles.

Reference to Related Applications

This application is a continuation-in-part of application Ser. No. 11/724,129 filed on Mar. 14, 2007 now abandoned.


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