How To Tune Up Your Furnace – On the House

How To Tune Up Your Furnace

By on November 28, 2015
Furnace Maintenance

A central heating system can become a seriously expense proposition if not properly maintained – and worse – a poorly maintained system can become dangerous as well. If you spend $250 (or more) per month on your heating bill you could easily be wasting as much as $600 per year — if you have not properly maintained your central heating system. And it doesn’t make any difference what type of central furnace you have. Even a simple window mount heat pump can be damaged beyond repair if not regularly cleaned. The coils can become clogged with dust and debris and in no time the system can fail.

Central systems that have heat exchangers can become whole house gas chambers filling every room with undetectable, poisonous carbon monoxide gas. Please don’t begin using your central furnace this winter until you have had your heat exchanger checked by a bonafide heating contractor. While he’s there ask him to replace the filters, check the fan belt and oil as needed. You can also ask the heating contractor if you already need to have a furnace replacement.

Although we don’t recommend that you attempt to check your heat exchanger, we do feel it is safe for you to check the condition of your blower-fan drive-belt. A worn or frayed fan belt isn’t dangerous, but it can increase your electric bill unnecessarily. If the belt isn’t tight enough it will allow the drive motor to turn extra revolutions for each rotation of the fan. Each time the drive motor turns without rotating the fan, wasted money comes out of your pocket! Be careful though, if the belt adjustment is too tight it can damage motor and fan bearings – both are expensive items to repair. A frayed fan belt should be replaced even if the tension adjustment is correct. When the fan belt becomes frayed it will soon split. When will it split? Well, if you have our luck it will go out after dark on the coldest evening – and when all the stores are closed. By the way, it probably isn’t a bad idea to have and extra one on hand. Drive a nail in the wall next to the furnace. Wrap the extra fan belt in an old towel or rag (to keep it clean) and then hang it all on the nail.

System lubrication is a task that just about anyone can perform. Proper lubrication will cause quieter operation and it will increase bearing life. Best of all, the free, smooth running bearing operation that result will reduce stress on the drive motor, and will insure cheaper motor operation. Although there is no such thing as too much lubrication, excess lubricant can be thrown off the bearings and onto the interior of the furnace – and oil is definitely a dust collection surface if there ever was one. So please, be careful!

The burners also are very important. They heat the exchanger, which warms the air that is blown through the ducts that is blown out the registers that heat the home. Therefore, the burners have a great deal to do with the operating efficiency of the system. Make an investigation of the burners to insure that the flames burn blue. An orange flame indicates that the fuel is not burning clean and hot. Often the burners corrode or rust and the flame ports become clogged and reduced efficiency results.

The filters in your furnace are probably made from hemp, fiberglass or nylon and are bound in a cardboard frame. If this is the case, chances are your filters are the disposable type. We purchase ours by the case and replace our filters monthly. In addition, electronic filter units that can be built-in to your central furnace system. Although they are expensive, they can be cleaned and will outlast two or three furnace replacements. You can also order furnace repair onlineWith these systems maximum filtration is achieved. To properly maintain an electronic system simply remove the filter drawer, hose it down in the garden, let it dry and slip it back into place. This type of filter should be cleaned two to four times a year depending on frequency of use and conditions where you live.

In many instances your local public utility will offer free inspection services and make furnace repair and furnace replacement recommendations. You may also need a furnace tune up, so better look for a reliable heating service like the furnace tune up in Mahomet, IL. You can also visit sites like to hire professionals.

For more home improvement tips and information search our website.

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