Heard It From a Pro tip #5: A/C Filters

You’re going to be so surprised and delighted by this tip:

Replace your A/C home filter with the cheapest $1.25-$2.00 filter you can find monthly. If your unit requires a 1″ thick filter, the best thing you can do for your unit (believe it) is to replace it more often with a basic filter sold in packet of 1,3,12 or 24.

I’m going too far! That’s too cheap, your thinking. The last AC repair guy came by two years ago and provided us with a wonderful secret and we haven’t seen him since. Before the secret, we had repair work every late Fall and Spring after we clicked on the A/C.

This is what he told us. Your unit works less if doesn’t have to suck the air through thick sheets of the ultimate filters you find at the store. (They sell for between $12 and $100, to be replaced every 3 months) They’re so thick that it’s like sucking a stiff milkshake through a coffee straw. Ideally you want your unit to feel like it’s sucking lemonade through a regular straw. BUT, you need to replace them monthly, rather than every three months. We replace them when our mortgage it due. Since making this change, I’ve noticed other positive effects, besides the convenience and savings:

  • The vents don’t collect dust
  • our ceiling fans don’t need to be cleaned as often
  • our A/C unit seems to cool and heat more quickly and effectively

There are washable filters….I don’t know about the comparison with regard to them, they may also be effective and more sustainable. And for those who use special filters to control serious allergies, this may not be the best route. But with our own round of seasonal allergies, we haven’t noticed any difference.

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