Ways to cut heating oil costs

Air filters

Check your the air filter in your heating system frequently. A dirty air filter slows air flow, forcing your heating system to work harder and waste energy. Energy Star recommends changing your air filter at least every three months.

Air filters Check your the air filter in your heating system frequently. A dirty air filter slows air flow, forcing your heating system to work harder and waste energy. Energy Star recommends changing your air filter at least every three months.
David Kamerman/Globe Staff