$383.17 to $402.16 is the sum you can presume to spend to install oil furnaces in Orange CA. Charges of all materials which might be necessary for oil furnace installation in Orange which would involve: mounting hardware, fasteners and fittings - approximately $72.58 and $78.59. Read more about Orange oil furnace costs. Commercial rates for 1 furnaces of oil furnace - around $1,842.08 & $2,247.30. One common project is oil furnace installation.In line with price information currently available for the Orange region, we calculate that most householders pay between $1,842.08 and $2,247.30 in Orange. So what are the heating costs in Orange, CA? It is recommended to get estimates from several pros before starting a heating project. It helps with planning and budgeting and gives you a ballpark figure to have in mind before negotiating with Orange heating contractors. Researching heating Orange costs is important before starting your remodeling project. Orange Radiant Driveway Installation Cost.Cost for Heat Pump Installation Orange CA.Cost for Gas Wall Heater Installation Orange CA.Baseboard Heater Installation Orange Cost.