According to Energy Star, dirt and neglect are the #1 causes of cooling and heating systems failures, but such failure is completely avoidable. Properly maintained air filters clean the air before it gets into the equipment, preventing the accumulation of dirt and allowing air to pass. A clean systems motor doesn't have to work as hard and will likely not overheat. A clogged air filter can reduce airflow, causing motors or evaporator coils to malfunction or stop operating altogether, leading to expensive maintenance and possible system failure.

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Dirty filters slow airflow, making your system work harder. This decreased efficiency wastes energy and results in a higher electricity bill. By consistently changing your air filter you can save up to 15% on utility cost. A harder working system means more energy is used, creating more pollution. Changing your air filters regularly will help you save money.

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Children, the elderly, and anyone suffering from allergies or asthma will directly benefit from clean air filters. Clean air filters mean your system isn't circulating dust, dust mites, pollen, and pollutants in your home's air. If you have pets, it's extremely important to change your home's air filters to prevent pet dander from accumulating in the system and spreading through the house.

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So how often should your air filter be changed? Every three months is an old rule of thumb with more frequent changes for households who have asthma and allergy sufferers, pets, the elderly, and or children. Relatively inexpensive air filters can save you thousand's of dollars in possible repair and replacement costs. When shopping looks at the MERV rating, generally from 1 to 12, the higher number means better filtration, but be sure to pick a filter that is suitable for your system. In addition to following an air filter schedule, it's important to schedule regular maintenance check-ups for your Air Conditioning and Heating system.

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