Six Simple Steps To Seasonal Furnace Maintenance

It is essential to make sure your furnace is running efficiently and safely. Below are the easiest steps to take in maintaining the unit. It is also an excellent idea to install a Carbon Monoxide detector close by for monitoring the safety of your furnace.

Step # 1) Turn off Gas and Electricity to Furnace - As with all home repairs, the first step is to turn off the power and in the case of a furnace, the fuel. There should be a switch near the furnace, if not, check the electrical service panel and shut off the appropriate breaker. The gas line will be connected to the furnace in a black pipe and will have a shut off valve nearby. Turn the valve so it is perpendicular to the gas line to shut it off.

Step #2) Vacuum the Furnace Interior - Open the furnace door. With a vacuum cleaner having a long snorkel attachment, vacuum out the base of the furnace and the gas burners. Get all the crevices cleaned of any loose dust or debris.

Step # 3) Change the Air Filter - The furnace filter is the one component that needs to be checked and changed on a monthly basis during the heating season.

Step # 4) Inspect the Fan Belt – Fan belts wear, stretch and loosen up over time. Inspect the fan belt on your furnace that drives the blower. Inspect the belt for glazing, cracking or fraying. If you notice any of those signs, replace the belt. Also check the tension of the belt. By pushing down in the center of the belt, it should feel taut and only deflect about 1/2" - 3/4". If it deflects more than that, tighten the belt by loosening the attachment bracket. Next, move the motor assembly so the belt tightens and hold the motor assembly in place while maintaining tension on the belt. Tighten the attachment bracket.

Step # 5) Lubricate Oil Bearings - If you have a furnace that is older or if it has a motor without permanently sealed bearings, the bearings will need to be oiled. Find the oiling caps. They may also be on the bearing shaft. Drop a few drops of lightweight household oil in the oil spout below the caps. It is important that you don't over oil.

Step #6) Replace Furnace Cover and Reconnect - Once completed, the final step is to replace the furnace cover and turn the electrical power back on along with the gas. Relight the pilot if necessary. It is important to follow the instructions posted on your unit when relighting the pilot.

If you follow these simple steps to maintaining your furnace, you should have a safe and warm winter.