Checking Your Furnace for Winter

A furnace is a complex piece of equipment that not only contains a heat source, but also a blower to distribute heat throughout a home using a duct system. It’s part of a larger HVAC system, which generally also includes an air conditioner or heat pump. They can be mounted in attics, crawlspaces, garages, basements, and even outdoors in the right situation.

You should already be performing basic maintenance on your HVAC system, no matter what season. This would include items like changing the furnace filter (or cleaning it if it’s an electrostatic one) and flushing the condensation line. Keep those up, even in the winter.

As for winter-specific tasks, your furnace should have a pre-launch check at least yearly. If you’re already using it for heating, it’s not too late, just remember to do this before you fire it up next year. Go through this list and hit all the items on it:

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