We Stock Most Major HVAC Manufacturer’s Parts & Supplies Call or Text – (215) 949-1550 AVCO Supply Inc. Training Classes and Specials AVCO Supply & Manufacturer Specials: Counter Days AVCO Supply, Inc. Mailing Address: PO Box 700 Levittown, PA 19058 Physical Address: 7014 Beaver Dam Road Levittown, PA 19057 Phone/Fax: Phone (215) 949-1550 Fax (215) 949-1578