Not Changing the Furnace Filter
Clogged air filters are usually to blame when a furnace stops working. Dirty air filters are also hard on blower motors and heat exchangers, so it’s a good idea to replace your air filter before there’s a problem.
It can be hard to remember to check it regularly, so that’s where an air filter gauge can help. It eliminates guesswork by measuring airflow and telling you exactly when it’s time to change your air filter. Check out these tips for cleaning every nook and cranny of your home, including the furnace.
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