Compressors Unlimited, Intl. LLC Quality Remanufactured Air Conditioning and Refrigeration Compressors and Equipment located in Dallas, Texas. At Compressors Unlimited Intl LLC we specialize in remanufacturing replacement compressors for larger air conditioning and refrigeration systems. Our remanufactured compressor line includes Carrier®, Copeland®, Trane® and York® models and we are an authorized reseller for Danfoss®, Hitachi®, Frascold®, Bitzer®, and Lochinvar® though we do not remanufacture compressors from these brands.