When your heating bill surges year after year, it is not just because the heater is running. There are plenty of reasons for the sudden changes.
To keep your air as fresh as possible, because some particles can still get through your air filters, think about cleaning your air ducts.
If your furnace keeps running, you might think there is something wrong, but in reality it’s quite common. Here are some reasons it might be a good thing.
When your air filters get too dirty, they can seriously affect the efficiency of your HVAC system, which in turn increases your energy costs.