why we not use a. c or freeze
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Here are eight of the most common mistakes people make when it comes to home AC, and some simple adjustments that can save your lungs and wallet.At a minimum, you should be changing the filter on your central AC unit once every three months—and as often as once a month if your system is running all the time.
Neglect this chore, and a dirty filter can lead to poor air flow or freezing up of your unit’s evaporator coil, says James Braun, a professor of engineering and director of the Center for High Performance Buildings at Purdue University. A filthy filter could add 5% to 15% to your AC bill, and will shorten the lifespan of your whole system. Fortunately, replacement filters are pretty cheap—usually less than $10.
If you have ductless “split” AC units, there should be a removable panel on your unit that will allow you to wipe off the filter with a rag—no replacement necessary.
Neglect this chore, and a dirty filter can lead to poor air flow or freezing up of your unit’s evaporator coil, says James Braun, a professor of engineering and director of the Center for High Performance Buildings at Purdue University. A filthy filter could add 5% to 15% to your AC bill, and will shorten the lifespan of your whole system. Fortunately, replacement filters are pretty cheap—usually less than $10.
If you have ductless “split” AC units, there should be a removable panel on your unit that will allow you to wipe off the filter with a rag—no replacement necessary.
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