preventing furnace blockages

Preventing Furnace Pipe Blockages

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One of the best parts of fall is the picturesque landscapes as the leaves change colours and fall to the ground. Unfortunately, those same leaves can be detrimental to your furnace if they enter the intake pipe. Don’t worry, preventing leaves from becoming furnace blockages is easy; and here’s how you can do it.

Some homeowners don’t realize that their furnace has external intake and exhaust pipes, but all of them do, either in the form of a chimney or PVC pipes. Furnaces with lower AFUE ratings tend to have chimneys, and those with higher AFUE ratings have PVC pipes. As leaves fall to the ground and become moisture locked, they can quickly become a blockage in your furnace’s intake and exhaust manifolds. As the temperature drops below freezing, these blockages become more solid, and they can completely block your intake and exhaust, which in turn will cause your furnace to stop working. The good news is furnace blockages can be easily prevented.

With a little bit of property maintenance, preventing furnace blockages isn’t so tough, which will keep your furnace running free and clear. You should keep a clear radius of at least a few feet around your intake and exhaust, but the more the better. Trim any unruly foliage from around the pipes and clear away any leaves and debris. It’s a good idea to take a quick look at the area above the pipes, or chimney, as well. We’re not suggesting you chop down all the trees on your property, but you should trim back any branches that are directly above them if possible. Once you have your intake and exhaust set up for success, do your best to frequently rake the leaves on your property, so that they don’t blow around and land in the pipes or chimney.

If your furnace does stop working and you suspect a leaf blockage may be the problem, shut off your unit right away and call a certified technician to inspect your unit and clear the blockage. Homeowners should avoid trying to clear blockages themselves because, without the right equipment, you can force the blockage further into the intake and exhaust. The closer the blockage is to your unit, the more damage it can cause, so it’s best if you do your part to prevent furnace blockages and leave the clearing of blockages to the professionals.

Having issues with your home’s furnace and think there may be a blockage?
Contact HAMCO for expert service and advice.

HAMCO Heating & Cooling Ltd. has been proudly serving the HVAC needs of the Greater Hamilton Area since 1946. We are committed to providing our customers with reliable service and dependable products.

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