1. Your Heating Bills Are High
Heating bills can soar to terrifying levels in the winter season. While the cause for this issue might sometimes be straightforward – such as someone leaving the windows and doors open leading to lost heat, other reasons can be more complicated.
1- The Filter Needs to be Cleaned or Replaced
A furnace’s filtration system is essential for removing unwanted contaminants from the air. However, many people don’t clean or change their filters often enough.