We are an Original Equipment Manufacturer. We manufacture chillers ranging in size from 1 1/2 ton to 750 tons. We make residential air conditioning equipment from 1.5 tons to 10 tons. And we make commercial air conditioning equipment from 10 tons to 250 tons. And, we make industrial chillers ranging from 50 tons to 780 tons. Ten (10) years warranty on all compressors. We proudly use Panasonic rotary compressors, Sanyo scroll compressors and screw compressors coupled to Danfoss stainless steel plate or tube in tube heat exchangers. All heat exchangers have a Five (5) year warranty.