Duro Supply (Bay City, Mich.) and American Standard recently donated a new American Standard 5-ton gas furnace and 3-ton heat pump to the Bay-Arenac ISD Center (BAISD). Students in the Bay-Arenac ISD heating and cooling program can specialize in installation, maintenance, and repair. In addition, students are prepared for nationally recognized certification in freon handling and recovery and the Air Conditioning Excellence Certification (A.C.E.). Duro Supply, a locally owned HVAC wholesale distributor since 1944, is an authorized dealer of American Standard HVAC Products for central and northern Michigan.