can a lp gas furnace be serviced
- Prior to contacting your propane company concerning furnace repair and service, refer to the furnace documentation for manufacturers contact information. LP Gas furnace manufacturers are often able to troubleshoot problems over the phone and can provide appropriate instructions.hese simple checks are not technical and can keep the furnace and air conditioner in good working order as well as keeping their family and home safe. 1  Furnace Flame-Propane furnace burner flames should be blue in color. 2  If orange or yellow flames are visible during operation, the furnace needs adjustment.