Is Your Furnace a Dirty Thief?

Start 2013 by checking and changing your furnace filter!
Jan 3, 2013 4:15 AM ET
Multimedia with summary

According to, as much as half of the energy used in your home goes to heating and cooling. At a minimum, you should change the filter in your furnace every three months it is in use.

A dirty filter will slow down air flow and make the system work harder to keep you warm. A clean filter will prevent dust and dirt from building up in the system, saving you energy and money.

Visit to learn more energy saving tips.

Remember to inspect, clean or change your furnace filter once a month, and stop those dirty thieves.