Inquiry (采购产品): Furnace Preventive Maintance I have 10 rental units that I would like to have the furnaces checked and cleaned before the winter. Eight of the furnaces are at one location. The other two are at another location. What would it cost me to do this? **** Hidden Message ***** Francesca Dawson PO Box 05175 Milwaukee, WI 53205 USA Company: Rental Property Phone: 414-264-2596 E-mail: fdawson@ameritech.net **** Hidden Message ***** fdawson@ameritech.net