Original Post
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Edited August 10, 2021
at 05:28 AM
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Amazon [amazon.com] has their Crisp Filters (
14x25x1 Air Filter, MERV 8) 6-Pack for $25.35 + Free Shipping with Prime or orders $25+
Check FP for other sizes.
Other sizes are available from $25.56
About this item
- UNIVERSALLY COMPATIBLE: This air conditioner, furnace and HVAC filter works with almost any brand. It is comparable to the 3M Filtrete MPR 600 Dust & Pollen, Filterbuy AFB Silver and the Honeywell FPR 5 models.
- CREATE A CLEANER ENVIRONMENT: Entrap airborne particles that bring harm to you and your loved ones with our Merv 8 pleated air filters that capture dust, lint and pollen. Nominal Size: 14x25x1, Actual size is: 13 ¾" x 24 ¾" x ¾"
- LONG-LASTING PERFORMANCE: Thanks to the thick build and pleated design, our air conditioner filter offers better capture coverage to trap more unwanted air particles and provides resilient filtration for up to 3 months to let only clean air pass through
- EASY & SIMPLE TO USE: Installing or replacing our air filters for AC units or furnace is as simple as it gets. Simply slide the filter into the air filter return of your unit and you're done! It's recommended to change your filters every 90 days to maintain optimal filtration
- QUALITY THAT COUNTS: We designed our pleated air filters with more pleats than most retail air filters to enhance airflow and efficiency. Each filter is made in the U.S.A with close attention to even the smallest details making it ideal for any residential home
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The MERV 13 in the 3M brand has a lower pressure drop (air flow resistance) than their MERV 5, 7, 11, and 12.
3M MERV 5 - 0.23 pressure drop
3M MERV 7 - 0.24 pressure drop
3M MERV 11 - 0.23 pressure drop
3M MERV 12 - 0.22 pressure drop
3M MERV 13 - 0.19 pressure drop
https://www.iallergy.co
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It's true tho. These "know-it-alls" are probably professionals in the industry (like me) and are just trying to teach others… what's wrong with that?
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I've been using MERV 11 for 25+ years on the same AC. Curious what the experts say.
Size: 20" x 25"
Replacement Filter:
FC100A1037
Recommended Filter:
MERV 11
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I agree, but I'm saying the higher surface area reduces the air flow resistance somewhat.
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The MERV 13 in the 3M brand has a lower pressure drop (air flow resistance) than their MERV 5, 7, 11, and 12.
3M MERV 5 - 0.23 pressure drop
3M MERV 7 - 0.24 pressure drop
3M MERV 11 - 0.23 pressure drop
3M MERV 12 - 0.22 pressure drop
3M MERV 13 - 0.19 pressure drop
https://www.iallergy.co
What kind of numbers are we talking here? How many watts? How much life reduction? How much additional maintenance?
This is what I'll tell you, last time I used cheap fiberglass filters, my whole house smelled like glue and I had to dust twice as much.
I like to defer to experts, but sometimes I feel like experts are just repeating what they hear or see in their own repair experience.
Two examples: 1. Water installation experts saying magnetic do not change how water leaves behind scale. Not true. Magnetic fields can help to keep calcium from sticking to metal.
2. Vacuum repair saying dyson break all the time when that is the only vacuum worth repairing.
A lot of time, repair people are seeing and remembering the worst case or biased cases. Who is likely yo get a repair? And how does thier lifestyle change what you see? And is it really the biggest deal. Am I better off straining HVAC than dusting twice a weeks and taking allergy medicine every day?
The MERV 13 in the 3M brand has a lower pressure drop (air flow resistance) than their MERV 5, 7, 11, and 12.
3M MERV 5 - 0.23 pressure drop
3M MERV 7 - 0.24 pressure drop
3M MERV 11 - 0.23 pressure drop
3M MERV 12 - 0.22 pressure drop
3M MERV 13 - 0.19 pressure drop
https://www.iallergy.co
This is interesting. So they've achieved increased filtration with less resistance. Thank you for this. I personally need to read up more thoroughly when choosing my next filter.
What kind of numbers are we talking here? How many watts? How much life reduction? How much additional maintenance?
This is what I'll tell you, last time I used cheap fiberglass filters, my whole house smelled like glue and I had to dust twice as much.
I like to defer to experts, but sometimes I feel like experts are just repeating what they hear or see in their own repair experience.
Two examples: 1. Water installation experts saying magnetic do not change how water leaves behind scale. Not true. Magnetic fields can help to keep calcium from sticking to metal.
2. Vacuum repair saying dyson break all the time when that is the only vacuum worth repairing.
A lot of time, repair people are seeing and remembering the worst case or biased cases. Who is likely yo get a repair? And how does thier lifestyle change what you see? And is it really the biggest deal. Am I better off straining HVAC than dusting twice a weeks and taking allergy medicine every day?
Also interesting... I'd also prefer less dust and cleaner air myself. Maybe I will opt for a better filter and check it more frequently, as opposed to changing it at set intervals or when Nest thermostat recommends changing. Thanks all for the knowledge "and" common sense that I overlooked. This (to me at least), is one of those things that health and lifestyle outweigh the extra cost, so long as it isn't ridiculously extra.
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You do know that Amazon doesn't mfg these, right? They appear similar to Aerostar
http://aerostarairfilt