crow
Member
Posts: 507
Toujours Pret
Citrus Co Fla
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« on: August 24, 2025, 06:23:59 AM » |
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We all know how good KN air filters are. Well, they are now making HVAC ones. I've only just installed it, but I expect it to be the last one I ever purchase. I got the Merv 8. They do make Merv 11.
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dont write a check with your mouth,
that your ass cant cash
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Chrisj CMA
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« Reply #1 on: August 24, 2025, 10:38:43 AM » |
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I recommend having two sets. When you wash one put the dry one in. Otherwise you will get mold in the ducts
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Serk
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« Reply #2 on: August 24, 2025, 02:53:06 PM » |
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I've had 'em on my systems (Separate upstairs and downstairs units) for a year or two... Long enough to have done a few cleanings on 'em.
So far I've been happy with 'em. They dry out pretty quickly in the Texas sun, and I'm not too worried about 'em going in a little moist, it dries out really quick while running, which it's almost always doing around here.
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Never ask a geek 'Why?',just nod your head and slowly back away...  IBA# 22107 VRCC# 7976 VRCCDS# 226 1998 Valkyrie Standard 2008 Gold Wing Taxation is theft. μολὼν λαβέ |
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crow
Member
Posts: 507
Toujours Pret
Citrus Co Fla
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« Reply #3 on: August 24, 2025, 03:08:06 PM » |
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I will use up the regulars,as, spares, while the KN is drying
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dont write a check with your mouth,
that your ass cant cash
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Chrisj CMA
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« Reply #4 on: August 24, 2025, 03:39:44 PM » |
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I will use up the regulars,as, spares, while the KN is drying
That works too. I found out the hard way that a damp filter will enhance mold growth. I had to replace the ductwork |
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Serk
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« Reply #5 on: August 24, 2025, 07:37:06 PM » |
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That is definitely something to take seriously... I drip dry mine pretty well outside and when I put 'em in, checking back in 30-45 minutes with the system running they're bone dry.
So for this specific scenario, exposure is minimal...
But definitely an aspect to consider that gets overlooked, thanks!
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Never ask a geek 'Why?',just nod your head and slowly back away... IBA# 22107 VRCC# 7976 VRCCDS# 226 1998 Valkyrie Standard 2008 Gold Wing Taxation is theft. μολὼν λαβέ |
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Chrisj CMA
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« Reply #6 on: August 25, 2025, 06:54:28 AM » |
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That is definitely something to take seriously... I drip dry mine pretty well outside and when I put 'em in, checking back in 30-45 minutes with the system running they're bone dry.
So for this specific scenario, exposure is minimal...
But definitely an aspect to consider that gets overlooked, thanks!
Mold may not be as bad an issue out there in the desert as it is in Florida but every bit of moisture left on them filters goes through the ducts. I think you are wise to consider a change in practice. |
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Jess from VA
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« Reply #7 on: August 25, 2025, 05:24:03 PM » |
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I got all new HVAC for my house a couple years ago. The lead tech on my install is a longtime neighbor and friend. So I was using some of the more expensive (and restrictive) filters and one day the AC just stopped working. I ran down to his house, and he immediately asked about the filter. I told him and he said get rid of those, buy the multipacks of pleated cheap free flow ones, and change them every month. I came home and pulled the restrictive one out and it looked clean, but when I held it up to the light very little light came through. Well sh!t, you big dummy. The new system will just shut down if it senses restriction (to save itself). Now I run the cheapos and put a new one in every month. I put a sign on the furnace to remind me.   The filters are cheap, but the HVAC wasn't. |
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« Last Edit: August 25, 2025, 05:29:12 PM by Jess from VA »
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F6Dave
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« Reply #8 on: August 26, 2025, 06:47:30 AM » |
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I got all new HVAC for my house a couple years ago. The lead tech on my install is a longtime neighbor and friend. So I was using some of the more expensive (and restrictive) filters and one day the AC just stopped working. I ran down to his house, and he immediately asked about the filter. I told him and he said get rid of those, buy the multipacks of pleated cheap free flow ones, and change them every month. I came home and pulled the restrictive one out and it looked clean, but when I held it up to the light very little light came through. Well sh!t, you big dummy. The new system will just shut down if it senses restriction (to save itself). Now I run the cheapos and put a new one in every month. I put a sign on the furnace to remind me. The filters are cheap, but the HVAC wasn't. Restrictive filters aren't good for furnaces as well as the AC. A restricted airflow removes less heat from the heat exchanger, making it run hotter, which can shorten its life. Like Jess I buy the cheap filters, the ones you can almost see through. |
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h13man
Member
Posts: 1823
To everything there is an exception.
Indiana NW Central Flatlands
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« Reply #9 on: August 26, 2025, 07:10:41 AM » |
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And anybody wants a second K&N, I have one to get rid of. I like the OEM paper best.
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LadyDraco
Member
Posts: 1943
TISE
Bastian, VA. Some of the best roads in the East
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« Reply #10 on: August 27, 2025, 08:10:25 PM » |
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When I work on my K&N filter, I always choose a hot, sunny day! I make sure to set it at a nice angle facing the sun. Never had any issues.  |
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Life is what you make of it~If it don't fit make alterations...
One does not speak unless one knows.
Never underestimate the power of a woman !
It's a Poor Craftsman who blames their Tools !
This is the way
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cookiedough
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« Reply #11 on: August 28, 2025, 05:36:08 AM » |
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as long as you regularly wash and clean them and let them dry, should last a lifetime, key is to clean them regularly am sure every few months or so. I just use for my basic furnance small house the cheap 3 dollar disposable ones from menards that say last 3 months. I replace them 2x's per winter and once during the summer months blowing about 10 bucks per year on cheap ones. Am sure K&N ones are just as good but much more expensive but in the long run, K&N air filter probably cheaper in the long run.
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h13man
Member
Posts: 1823
To everything there is an exception.
Indiana NW Central Flatlands
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« Reply #12 on: Yesterday at 07:02:59 AM » |
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as long as you regularly wash and clean them and let them dry, should last a lifetime, key is to clean them regularly am sure every few months or so. I just use for my basic furnance small house the cheap 3 dollar disposable ones from menards that say last 3 months. I replace them 2x's per winter and once during the summer months blowing about 10 bucks per year on cheap ones. Am sure K&N ones are just as good but much more expensive but in the long run, K&N air filter probably cheaper in the long run.
I buy them by the box at Menards and like you same maintenance habit. Now my 30 micron water filters I buy by the box on line. |
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