Your home’s furnace usually doesn’t have any trouble providing your household with the comfort it needs each winter. But now something isn’t working right, and the house feels colder, even though you’re setting the thermostat at the standard temperature you always do.
Your first instinct may be to push the thermostat up higher until you feel comfortable. This isn’t a good idea if you know the furnace isn’t doing its job as well. It may even make the problem worse, and you’re only making the furnace run longer. It still may not be able to meet your heating demands depending on what’s wrong with it.
Let’s look into that and see why your furnace is falling behind this winter: