Kochs Equipment Co. also buys and sells associated equipment, including generators, pumps, air compressors, and boilers.   Unprecedented Equipment Warranty  Our equipment is, and always has been, guranteed to be fully functional upon start up.  Business History With over 30 years expirience buying and selling surplus used chillers our goal is to provide the right solution at an econimical price and stand behind it. We KNOW chillers.