The answer to 'why is my air filter high energy bills' is that a dirty or clogged air filter can significantly reduce the efficiency of your HVAC system, leading to higher energy bills. A dirty filter restricts airflow, forcing your system to work harder to circulate air, which increases energy consumption and costs.
Some common symptoms of a dirty air filter include reduced airflow, uneven heating/cooling, and higher utility bills. The solution is to regularly replace or clean your air filter, typically every 1-3 months depending on usage and environment. This allows your HVAC system to operate efficiently and keeps energy costs in check.