Yazaki Energy Systems, Inc. (Farmers Branch, TX) a manufacturer of gas fired absorption type chiller/heaters has announced recent additions to its sales representative network in New York and Chicago effective July 5, 2000. George Koutsos and Eric Berkowitz with McQuay New York (New York), will lead the sales team in representing Yazaki in New York and New Jersey. Prime Energy, Inc. (Naperville, IL) will represent the company in Chicago. In addition, Yazaki announces that its distributor in the Massachusetts area, Gourley Co., (Waltham, MA) has added the states of Maine, New Hampshire and Vermont to its territory.