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#1
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Seeking Opinions on air return filters and air vent filters
I see many of these being sold at Home Depot and other home
improvement centers and was wondering whether using these filters would put too much stress or strain on the air circulation fan, the furnace and the central A/C system at all? I'm talking about the vents only inside the house and not the ones outside. I'm thinking that these systems are designed with being able to perform without any obstructions in the vents and while these filters are supposed to let sufficient air through, if I place them in very vent in my house, perhaps that might impose too much strain on the circulation fan, the furnace and the central A/C? Thoughts? Thanks for your time and courtesy. |
#2
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Seeking Opinions on air return filters and air vent filters
Just put a filtrete filter in your return.
"No Way" wrote in message ... I see many of these being sold at Home Depot and other home improvement centers and was wondering whether using these filters would put too much stress or strain on the air circulation fan, the furnace and the central A/C system at all? I'm talking about the vents only inside the house and not the ones outside. I'm thinking that these systems are designed with being able to perform without any obstructions in the vents and while these filters are supposed to let sufficient air through, if I place them in very vent in my house, perhaps that might impose too much strain on the circulation fan, the furnace and the central A/C? Thoughts? Thanks for your time and courtesy. |
#3
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Seeking Opinions on air return filters and air vent filters
On Jun 4, 4:22 pm, No Way wrote:
I see many of these being sold at Home Depot and other home improvement centers and was wondering whether using these filters would put too much stress or strain on the air circulation fan, the furnace and the central A/C system at all? I'm talking about the vents only inside the house and not the ones outside. I'm thinking that these systems are designed with being able to perform without any obstructions in the vents and while these filters are supposed to let sufficient air through, if I place them in very vent in my house, perhaps that might impose too much strain on the circulation fan, the furnace and the central A/C? Thoughts? Thanks for your time and courtesy. You can't suspend the laws of physics. Every impediment to the the air flow slows it down and imbalances the system. Your AC or heat may be fine with a slower air flow, but you will also come up aganst the law of diminishing returns as regards efficiency, longevity and operating cost. If there is no obvious need for change, let it ride. HTH Joe |
#4
Posted to alt.hvac,alt.home.repair
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Seeking Opinions on air return filters and air vent filters
"No Way" wrote in message ... I see many of these being sold at Home Depot and other home improvement centers and was wondering whether using these filters would put too much stress or strain on the air circulation fan, the furnace and the central A/C system at all? I'm talking about the vents only inside the house and not the ones outside. I'm thinking that these systems are designed with being able to perform without any obstructions in the vents and while these filters are supposed to let sufficient air through, if I place them in very vent in my house, perhaps that might impose too much strain on the circulation fan, the furnace and the central A/C? Thoughts? Thanks for your time and courtesy. Given the velocity of the return compared to the feed, I doubt you'd catch much at all. If the regular filters are doing their job, return filters are not needed. An filter will offer some restriction. I'd not do it. |
#5
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Seeking Opinions on air return filters and air vent filters
"Art" wrote in message hlink.net... Just put a filtrete filter in your return. Fastest way to kill a system!! |
#6
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Seeking Opinions on air return filters and air vent filters
As long as you replace/clean them monthly,they shouldn't add too much static
to the system... If you have a decent pleated filter in the return, they're probably a waste of money. Go out & buy a case of decent filters & swap in a new one every time the utility bill shows up. Filtrete has the brand name & the price too. I pick up a case of near identical Z-pleats at the wholesale house & the cost under 3 Bucks per... I had a guy tell me to spray the filter with Pledge furniture polish for better filtration, but I'm not sold on that idea. goodluck geothermaljones st.paul,mn. "No Way" wrote in message ... I see many of these being sold at Home Depot and other home improvement centers and was wondering whether using these filters would put too much stress or strain on the air circulation fan, the furnace and the central A/C system at all? I'm talking about the vents only inside the house and not the ones outside. I'm thinking that these systems are designed with being able to perform without any obstructions in the vents and while these filters are supposed to let sufficient air through, if I place them in very vent in my house, perhaps that might impose too much strain on the circulation fan, the furnace and the central A/C? Thoughts? Thanks for your time and courtesy. |
#7
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Seeking Opinions on air return filters and air vent filters
"geothermaljones" wrote in message . .. As long as you replace/clean them monthly,they shouldn't add too much static to the system... If you have a decent pleated filter in the return, they're probably a waste of money. Go out & buy a case of decent filters & swap in a new one every time the utility bill shows up. Filtrete has the brand name & the price too. Problem is, most return ducting won't allow a customer to drop in a pleated filter and still have the required CFM's for the system to operate efficiently and without shortening the life of the equipment. |
#8
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Seeking Opinions on air return filters and air vent filters
kjpro @ usenet.com wrote:
Problem is, most return ducting won't allow a customer to drop in a pleated filter and still have the required CFM's for the system to operate efficiently and without shortening the life of the equipment. I'm afraid I don't understand the problem here. Most filters are in the return air plenum. Most modern systems are designed for pleated filters. So why would there be a problem with putting pleated filters in the return? With my old system I kept on using the old fashioned (and cheap) fiberglass filters, but it was designed for them and I didn't want to take a chance on messing up the system. Bill Gill |
#9
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Seeking Opinions on air return filters and air vent filters
I have 3 systems in my house. All have best Filtrete filter. All are nine
years old without any repairs. My parents townhome is 4 years old system. Use filtrete filters..... no problems either. kjpro @ usenet.com wrote in message ... "Art" wrote in message hlink.net... Just put a filtrete filter in your return. Fastest way to kill a system!! |
#10
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Seeking Opinions on air return filters and air vent filters
"Art" wrote in message link.net... I have 3 systems in my house. All have best Filtrete filter. All are nine years old without any repairs. My parents townhome is 4 years old system. Use filtrete filters..... no problems either. KJ forgot to add the caveat of the systems RA and filter area being sized correctly for the higher airflow restriction of the Filtrete "Ultra-Allergen" filters. |
#11
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Seeking Opinions on air return filters and air vent filters
"BillGill" wrote in message ... kjpro @ usenet.com wrote: Problem is, most return ducting won't allow a customer to drop in a pleated filter and still have the required CFM's for the system to operate efficiently and without shortening the life of the equipment. I'm afraid I don't understand the problem here. Most filters are in the return air plenum. Most modern systems are designed for pleated filters. So why would there be a problem with putting pleated filters in the return? The problem is the "lowest bidder" and not having the ductwork re-designed for the new high-efficienty systems and the higher effency(more restriction in the air flow) filters. With my old system I kept on using the old fashioned (and cheap) fiberglass filters, but it was designed for them and I didn't want to take a chance on messing up the system. Bill Gill |
#12
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Seeking Opinions on air return filters and air vent filters
I had a guy tell me to spray the filter with Pledge furniture polish for
better filtration, but I'm not sold on that idea. Almost like putting 'oil' on the filter to give the dirt something to stick too. Interesting idea. -- Zyp |
#13
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Seeking Opinions on air return filters and air vent filters
Currently;
If you read the equipment engineering data, you'll be surprised to find the maximum ESP you can have in a HVAC system [including the cooling coil] is 1/2" [0.5"] w.c. Not much left over if you use a pleated filter. Check the spec.'s. A standard [dirty] 1" filter is 0.3". The cooling coil [wet] is 0.25"w.c. to 0.29"w.c. Sometimes to get the correct air with a pleated filter usually requires stepping up the air handler size one size larger [if possible.] -- Zyp "Noon-Air" wrote in message ... "BillGill" wrote in message ... kjpro @ usenet.com wrote: Problem is, most return ducting won't allow a customer to drop in a pleated filter and still have the required CFM's for the system to operate efficiently and without shortening the life of the equipment. I'm afraid I don't understand the problem here. Most filters are in the return air plenum. Most modern systems are designed for pleated filters. So why would there be a problem with putting pleated filters in the return? The problem is the "lowest bidder" and not having the ductwork re-designed for the new high-efficienty systems and the higher effency(more restriction in the air flow) filters. With my old system I kept on using the old fashioned (and cheap) fiberglass filters, but it was designed for them and I didn't want to take a chance on messing up the system. Bill Gill |
#14
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Seeking Opinions on air return filters and air vent filters
On Wed, 6 Jun 2007 17:11:55 -0700, "Zephyr" wrote:
I had a guy tell me to spray the filter with Pledge furniture polish for better filtration, but I'm not sold on that idea. Almost like putting 'oil' on the filter to give the dirt something to stick too. Interesting idea. Hmmm, now that I think about it, for high performance automotive air intake filters, they usually have an accompanying grease or oil you apply to the filter as well. Guess the same concept applies in this case. |
#15
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Seeking Opinions on air return filters and air vent filters
"Zephyr" wrote in message news:bfudnWriUfx50PrbnZ2dnUVZ_rCsnZ2d@championbroa dband.com... Currently; If you read the equipment engineering data, you'll be surprised to find the maximum ESP you can have in a HVAC system [including the cooling coil] is 1/2" [0.5"] w.c. Not much left over if you use a pleated filter. Check the spec.'s. A standard [dirty] 1" filter is 0.3". The cooling coil [wet] is 0.25"w.c. to 0.29"w.c. Sometimes to get the correct air with a pleated filter usually requires stepping up the air handler size one size larger [if possible.] Just use the correct size of return and filter. Check the IMC... The code book requirements specifications come out to just a little less than 1 square foot per 12,000btu for A/C (works for heat pumps too). I use 1 sqft per ton as a minimum. FWIW, I will go for a lot better IAQ with the pleated filters and never have to clean the evap or blower, instead of using the cheap blue fiberglass filters that don't catch anything but large rocks and small critters. |
#16
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Seeking Opinions on air return filters and air vent filters
On Jun 6, 11:02 pm, "Noon-Air" wrote:
FWIW, I will go for a lot better IAQ with the pleated filters and never have to clean the evap or blower, instead of using the cheap blue fiberglass filters that don't catch anything but large rocks and small critters. They don't always even do that. We had a mouse make its way through the return, chew a hole in the cheap blue fiberglass (or maybe pull it aside), and crawl through. He ended up in the blower and was stretched around the squirrel cage when my husband found him. He's got the pictures, but they are too intense for some viewers. Cindy Hamilton |
#17
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Seeking Opinions on air return filters and air vent filters
Nooney;
Have you ever hood tested the return on your systems using the 1 square foot per ton theory? -- Zyp "Cindy Hamilton" wrote in message ups.com... On Jun 6, 11:02 pm, "Noon-Air" wrote: FWIW, I will go for a lot better IAQ with the pleated filters and never have to clean the evap or blower, instead of using the cheap blue fiberglass filters that don't catch anything but large rocks and small critters. They don't always even do that. We had a mouse make its way through the return, chew a hole in the cheap blue fiberglass (or maybe pull it aside), and crawl through. He ended up in the blower and was stretched around the squirrel cage when my husband found him. He's got the pictures, but they are too intense for some viewers. Cindy Hamilton |
#18
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Seeking Opinions on air return filters and air vent filters
"Zephyr" wrote in message news:XeidnaEuAqYMzPXbnZ2dnUVZ_tWhnZ2d@championbroa dband.com... Nooney; Have you ever hood tested the return on your systems using the 1 square foot per ton theory? Nope, but after I read the code books, I did stay in a Holiday Inn Express last night |
#19
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Seeking Opinions on air return filters and air vent filters
The one time I pulled a cat out of the furnace, the blue filter
didn't stop a cat. Five months old, I think it was. Got in through a hole in the return air. I remember the look on the cat's face when I shined my mini mag in on it. "Well, do something!" -- Christopher A. Young You can't shout down a troll. You have to starve them. .. "Cindy Hamilton" wrote in message ups.com... : On Jun 6, 11:02 pm, "Noon-Air" wrote: : FWIW, I will go for a lot better IAQ with the pleated filters and never have : to clean the evap or blower, instead of using the cheap blue fiberglass : filters that don't catch anything but large rocks and small critters. : : They don't always even do that. We had a mouse make its way through : the return, chew a hole in the cheap blue fiberglass (or maybe pull : it aside), and crawl through. : : He ended up in the blower and was stretched around the : squirrel cage when my husband found him. He's got the pictures, : but they are too intense for some viewers. : : Cindy Hamilton : |
#20
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Seeking Opinions on air return filters and air vent filters
That's better than the skunk I ran into on time under a house. The fresh
air intake [well that's what it's called until the skunk] I shined my light and saw her - [I couldn't get out of the basement quick enough! -- Zyp "Stormin Mormon" wrote in message ... The one time I pulled a cat out of the furnace, the blue filter didn't stop a cat. Five months old, I think it was. Got in through a hole in the return air. I remember the look on the cat's face when I shined my mini mag in on it. "Well, do something!" -- Christopher A. Young You can't shout down a troll. You have to starve them. . "Cindy Hamilton" wrote in message ups.com... : On Jun 6, 11:02 pm, "Noon-Air" wrote: : FWIW, I will go for a lot better IAQ with the pleated filters and never have : to clean the evap or blower, instead of using the cheap blue fiberglass : filters that don't catch anything but large rocks and small critters. : : They don't always even do that. We had a mouse make its way through : the return, chew a hole in the cheap blue fiberglass (or maybe pull : it aside), and crawl through. : : He ended up in the blower and was stretched around the : squirrel cage when my husband found him. He's got the pictures, : but they are too intense for some viewers. : : Cindy Hamilton : |
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