Gene May Heating and Cooling, Inc. Oswego, Yorkville, Plainfield, Aurora, Joliet, Sugar Grove, Naperville Furnace Repair and Heating Service on American Standard, Trane, Carrier, Lennox, York we specialize in residential and light commercial service and the replacement of heating and air conditioning systems. We are a local, privately owned and operated company with honest prices, quality work and customer service as our highest priority. Since 1972 our company has been focused on customer satisfaction from the start with a 99% customer satisfaction rating and 100% customer referral rating. Our office is located in Oswego, IL since 1972.