Inquiry (采购产品): residential waste oil heaters Is there a waste oil heater that can be added to an existing furnace ductwork system to suplement or be the primary heating source for a 3000 sq. foot home? Thank You! Brian... **** Hidden Message ***** Brian Ferne 1014 sunset dr. Butler, PA 16001 USA Company: B&B Motors Phone: 724-712-3104 E-mail: b2b1200@msn.com **** Hidden Message ***** b2b1200@msn.com