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Another HVAC question regarding air filters
January 16, 2023, 12:39 PM
6gunsAnother HVAC question regarding air filters
I have an odd sized filter in my unit; 16 3/8 x 21 1/2. I can find them online, but only in MERV 8 or higher.
Any suggestions where I can find these with an easier air flow? Thanks.
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January 16, 2023, 12:40 PM
WarhorseI've never seen that size air filter.
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January 16, 2023, 12:43 PM
ZSMICHAELI had the same problem. I had them specially made for awhile then stopped because of the cost. I am assuming the filter is for the return??? If so enlarge the size of the opening. Worked for me.
January 16, 2023, 12:52 PM
6gunsI'd never seen that size before either. Why???
https://www.amazon.com/Aerosta...id=1673734752&sr=8-5I can get these....and probably will, but I was hoping to get less restrictive filters.
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January 16, 2023, 12:53 PM
Mustang-PaPaCould you not build an adapter frame or semi frame to get you to a std size filter.
A little effort might make filter finding easier.
January 16, 2023, 12:54 PM
ZSMICHAELBlame the contractor.
January 16, 2023, 12:56 PM
ZSMICHAELBefore I changed the size of the opening I had one specially made. Got tired of cleaning it.
January 16, 2023, 12:58 PM
6gunsquote:
Originally posted by Mustang-PaPa:
Could you not build an adapter frame or semi frame to get you to a std size filter.
A little effort might make filter finding easier.
Perhaps with some sheet metal frigging around, but I'd rather not have to do that. Amazon has a bunch of choices in this size, I was surprised. Just none that are less than MERV 8. Hardware and big box stores never heard of this size.
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January 16, 2023, 01:00 PM
4MUL8Ris this a return duct in a wall?
it is likely possible to take out the odd size and replace it with a standard size. a little bigger wont hurt the airflow. the duct itself is the choke.
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Trying to simplify my life...
January 16, 2023, 01:01 PM
6gunsThis filter is in the furnace.
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January 16, 2023, 01:14 PM
HRKCarrier is that way, wanting you to buy from them, ours isn't standard but found it on Amazon, reminds me, it's time to change the filter....
January 16, 2023, 02:06 PM
jimmy123xThese people are great to deal with (local to me). The blue/white filter is Merv 6 and the orange ia Merv 7 I believe.
January 16, 2023, 03:02 PM
6gunsThanks for the link, jimmy.
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January 16, 2023, 11:38 PM
Excam_ManDepending on the air handler position and install, a Honeywell 16x20 media cabinet might be a simple install.
I can get you the fiberglass filters, but they are not cheap. 16.50 each, 12 per box - plus shipping.
Unless you have some major restrictions with the install, I'd highly recommend the media filter upgrade.
January 17, 2023, 01:16 AM
SchmelbyI got a new Carrier system. Filter size is 21 1/2 by 16 1/2
The only place I could find them was Amazon. Merv 11.
January 17, 2023, 10:15 AM
6gunsThanks for the additional thoughts.
I ended up ordering a six pack of MERV 8's from Amazon. As you, Excam_Man, has suggested in the past, I wanted a less "efficient" filter, but I'll plan to replace these a bit more often.
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January 17, 2023, 10:29 AM
chellim1MERV 8 should be fine.
I use this one:
Trion Air Bear 255649-102 (3 Pack) - Pleated Air Filter 20"x25"x5" MERV 8
SKU: TRION255649-102-3
https://www.discountfurnacefilter.com/Thanks for the reminder, it's time to change the filter....
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-rduckwor January 17, 2023, 10:55 AM
Calif PhilK&N the automotive filter company makes high flow
HVAC filters, I checked and the closest size to your filter is a 16x20. They did have my shop filter size of 16x25 $31.99 and free shipping. Decided to order it and give it a try.