When it comes to annual heating maintenance (or biannual, if you have a heat pump), you want to ensure that you hire a professional for the job. But there are a few small maintenance tasks that you can, and should, do on your own in between tune-ups that can and will make a huge difference for your heating system. One task is changing your air filter.
You might assume that the only reason a dirty air filter is a problem is because it allows the air to get contaminated. This is actually not the case, however. While a dirty enough air filter can eventually impact your indoor air quality, its intended purpose is to block particles from damaging the inside of your Nashville, TN heating system by pummeling it or jamming the fan. But when your air filter is dirty and too clogged, it can do just as much damage. Keep reading to learn a few ways changing your air filter impacts your heater.