Dirty transition wings can prevent all of your burners from igniting. The transition wings need to be clean and free of buildup as well. Some burners have “transition wings” on their sides – these are thin channels that allow the flame to propagate from one burner to the next. Brush them down with a brass wire brush to remove any buildup. ![]() Most importantly, inspect the front of the burners where the flame comes out. Next, remove the burners and inspect them. Once inside the furnace, vacuum out the area where the burners sit to remove any debris. Never work on a furnace while the power is on! Next, remove the cover panel to gain access to your furnace’s interior. When inspecting your furnace’s burners, the first thing that you should do is turn off the power and gas to your furnace. The furnace’s burner assembly should be inspected regularly for cleanliness and proper function. Due to the combustion of gas, the burner is very susceptible to carbon and soot build-up. The burner is the part of the furnace that creates a flame by burning gas. If the filter has arrows, ensure that the arrows point toward the blower, in the same direction as the furnace’s airflow.įor more information about what kind of air filter you should use, check out my air filter guide. Throw away the old filter and insert a new filter into the filter compartment. Next, remove the old filter carefully, ensuring that dust or debris does not fall off the filter or spread anywhere else. After the furnace completely shuts down, remove the filter access panel from the ductwork. To replace the air filter on your furnace, first shut off power to the furnace. I have another article explaining the differences between pleated and non-pleated filters. Many older HVAC systems that were not designed for large pressure drops use non-pleated filters. Non-pleated filters only last about 1 month, but they don’t block as much airflow. Pleated filters usually last a bit longer, but introduce a larger pressure drop in the system – be sure that your furnace is designed for that. Ideally, you’ll want to change it every 1-2 months. Your furnace’s air filter should be changed at least every 3 months. The filter is in the return air duct of the furnace, where the fan sucks in air. The purpose of the air filter is to filter out dirt, dust, and other contaminants from getting into your home’s air. Check and clean air registers and ductwork (if needed)ĭusty air registers reduce airflow. The thermostat should control the furnace properly. Loose connections can cause equipment failure or fires. If you have a humidifier, clean it often if you have been using it. Lubricate blower and inducer fansįans should rotate freely and need some oil to do so. Also, test your carbon monoxide (CO) detector and replace its batteries if needed. Inspect the heat exchanger for cracks or leaks. The burners and flame sensor need to be cleaned regularly. Replace Air FilterĪir filters should be replaced at least every 3 months. If you’re looking for a checklist that can you fill in or print out, check out my furnace maintenance checklist pdf. The only exception is changing the air filter, which you should do at least every 3 months, or as needed. Furnace Maintenance Checklistīelow is a list of maintenance items that you should conduct on your AC system at least once a year. In this article, I’ll go over what you can do to inspect and maintain your furnace so it stays running properly. As a homeowner, there are a few steps that you can take to ensure that your furnace stays in good working order. ![]() Keeping your furnace maintained is important for keeping it running efficiently. As an Amazon Associate, I earn from qualifying purchases.
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