An Air Filter Whistle Alerts You to Change Furnace Filter

Heating and cooling is the largest residential expense for the average home, contributing to as much as 43% of the energy bill. Improving the efficiency of your heating and cooling system is one way to save energy and money from this source. Experts suggest regularly changing your air filters is one way to ensure a properly running system. You may be wondering exactly how often is “regularly.” An air filter whistle alerts you when the furnace or air conditioner filter needs to be replaced.

Air Filter Whistle
Air Filter Whistle

A furnace filter whistle is constructed with two pieces that are simply snapped onto the filter for installation. A clean filter allows for the free passage of air through filter material. However, over time dirt and dust builds up on the material and forces more air through the whistle. This causes the furnace filter whistle to give off a steady sound to alert you that it is time to change the filter.

The furnace filter whistle is reusable. Once you have removed the dirt-filled filter, the whistle can be installed onto the new filter. The air filter whistle helps to not only improve the overall efficiency of your heating and cooling system, it helps keep the system running for longer than it would have.

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