In contrast with older gas furnaces, an oil burning furnace does not use a pilot light. An oil furnace typically uses an electronic ignition switch system. to power up. More » Home & Garden Heating & Cooling

Once the pilot valve has been set to the "pilot" position, lighting a pilot light simply requires using a match or lighter. After the pilot light is producing a steady flame, the valve can be set to the "on" position, wh... More » Home & Garden Heating & Cooling

To light the pilot on a Williams gas furnace, turn the valve to off, and wait at least 3 minutes for any gas to dissipate. Locate the pilot inside the furnace, light a match, place it near the pilot, and turn the valve t... More » Home & Garden Heating & Cooling
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To troubleshoot problems with a gas furnace's pilot light, it is important to check the pilot light mechanism and flame as well as the gas supply and the condition of important parts, such as the thermocouple. This cover... More » Home & Garden Heating & Cooling

Oil furnaces burn heating oil, which is similar to diesel, while gas furnaces use natural gas. Heating oil is delivered by truck to each customer and stored in an aboveground storage tank. Natural gas customers are hooke... More » Home & Garden Heating & Cooling

Typically, gas furnaces cost about 10 to 25 percent more than oil furnaces initially, but the average cost of heating oil is higher than natural gas. Gas furnaces are also about 10 percent more efficient than oil furnace... More » Home & Garden Heating & Cooling

Newer models of oil furnaces can be converted to natural gas by changing the burner, but some older models can't be converted. The conversion also requires natural gas service to the house. More » Home & Garden Heating & Cooling