Saturday, April 26, 2014

DIY Custom Air Filters

Our HVAC system (an ancient Lennox heat pump) takes a weird sized filter. 21.25 x 25 inches, to be exact. When we moved here the HVAC guy sent me to a specialty store across town to buy the proper sized filters. I ordered a set of six and when I picked them up I realized that all they had done was cut down a larger filter to size and re-glued the edges on. A service I paid for, of course. So when I ran out of those filter I decided I'd just do the cutting and pasting myself. I don't know why that didn't occur to me in the first place. Here is how I did it:

1) Here is the new, larger filter that I bought to cut down to size
2) Measuring the new filter up against the dirty old custom filter

3) The new filter after I carefully cut off the cardboard edge and then cut through the filter itself.

4) I used Elmer's Glue-All but I think almost any glue would do. Something that dries a little faster would have been nice.

5) The bead of Elmer's glue on the cardboard edge that I had saved.

6) The finished, custom-cut air filter with the edge drying. I let it dry for about half and hour and then put it to use!

I don't know how many people have the need for custom-cut filters, but I think the bigger idea here is that we should always question the easy consumer solution. I will save myself at least $10 per filter this way. If my HVAC system continues to work for a few more years (knock on wood- it's over 20 years old) I'll save myself some decent cash. Make shift, my friends!

12 comments:

  1. Simply take note of that your DIY purifier will be more viable on the floor,as opposed to in a window,in light of the fact that it will then filter out air in you're home, as opposed to from the outside.keeping windows closed, and to just purchase another filter when the shading turns from white to chestnut.Your new DIY system can filter allergens up to 90%!

    Bonnie Jenkins.

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  3. Hello Karen,
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  4. Funny method. But I think I will not do) and I decided to give this service http://myairmatics.com/ . I was told he was a good and not expensive. Can you advise something?

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  5. Hello Karen B,
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  6. This is just the solution I've been looking for to keeping the neighbors' pot smell out of my apartment. Great DIY air filter project. I might ask my brother to try this.

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  7. Wow admin,
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    Thanks.

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