Cautionfurnaces contain moving parts low voltage 24 volt and high voltage 120 240 volt electrical circuits and use flammable hydrocarbon fuels natural gas fuel oil propane which is why it is critical to disconnect the power to your furnace.
Gas furnace maintenance.
Exercise great caution when opening up your furnace by making sure the power is disconnected the blower has stopped moving and the burners and ignitor are off before doing any maintenance on your furnace.
Look look at the flames in the burner.
Turn off the power switch again and shut off the gas by giving the valve one quarter turn.
The valve to turn off your gas line should be located near the gas meter.
And make sure your furnace doesn t cause your gas water heater to backdraft photo 14.
The temperature cannot be regulated.
Rooms in the home are either too hot or too cold.
You should see a steady blue flame.
You can easily replace a filter check your flue and oil your blower motor.
The heated air coming from the furnace smells like gas.
Here are some signs your furnace may need service.
Before performing diy furnace maintenance richard makes sure to switch off the electrical power and the fuel supply.
Outside of warranty a basic tuneup might start at 58 and a more advanced maintenance cleaning could be over 120.
If your furnace has a standing pilot a pilot that burns all the time turning off the gas to the furnace when the heating season is over will save you as much as 5 percent per year on your gas bill.
Do not reenter your home.
Natural gas furnace preventative maintenance will help avoid operating problems.
Take caution if you are performing any kind of gas furnace maintenance turn off the gas line.
Drain line to your vacuum hose.
The distinctive red power switchplate can usually be found at the top of the cellar stairs or near the burner itself while the fuel shutoff valve is near the oil tank or on the incoming gas pipe.
Tackling most furnace repairs yourself can damage your unit and lead to home threatening problems such as gas leaks.
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Vacuum the furnace burners and the furnace base.
To get at the back of the burners tape a 20 in.
Get out of the house leaving the door open and immediately call the gas company or the fire department to report a leak.
Worn out parts and clogged filters that happen over time can lead to more significant equipment failures.
Fortunately not all furnace fixes require the work of a professional.
Homeowner gas furnace maintenance gas furnace inspection checklist diy.
In this case do not try to fix the furnace.
Call a professional service person.
If the unit uses gas and there is a smell of gas in your home do not try to shut off the gas or turn any lights on or off.
When issues are addressed early on it s more likely that they can be resolved with minimal cost.
To relight the pilot consult the instructions on your furnace s gas valve.