Posts tagged "airfilters"

air filters merv 11

Air Filter (MERV) For My Home?

What is the standard MERV (Minimum Efficiency Reporting Value for a home air filter? MERV 13 are in hospitals and 11's are typically found in corporate office buildings; so what level do you find in your home. I am trying to buy new air filters and don't want to overspend.

I would say a 5 through 8 would be decent.......... it blocks particles as small as 3 microns.

How To Change Air Conditioning Filter

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Posted by Mike - January 13, 2010 at 9:11 pm

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furnace filters 20x25x5

My furnace takes a size 20x25x5 filter and I went out...?

to get one. It cost $34.00. I couldn't believe it. Anyways, I bought one that was the same size as 20x25 but by 1 instead of 5. What I need to know is there going to be a real problem with this furnace filter instead of the 5 inch in width one? It is for allergy protection and I am just going to push it up to the side of the furnace that catches the allergens. Will this filter be ok? I don't want anything damaging my furnace. Thanks.

The purpose of a (FMF) furnace mount filter (Your 20x25x5 filter) is to replace the (RAF) return air filter (The 20x25x1). By not using the FMF you wasted your money having it installed. Also, DO NOT put the 20x25x1 in place of the 20x25x5, because when you turn the unit on the blower will suck it up and you could damage it. If your going to use the RAF then put it in the proper place behind the return grill.
It's s recommended that you replace your RAF every month, so thats 12 a year at $5 each equals $60. On the other hand, the FMF is supposed to be rplaced twice a year, so for $8 more a year you'll have better filtration.

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Posted by Mike - September 15, 2009 at 6:33 am

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furnace filters merv 11

Furnace filters ensure that the air you breathe in is clean, fresh and free from pollutants.

Originally, furnace filters were designed to protect the furnace and fans. But now with the importance of air quality, it's being used with other equipments. Today it is being used in the HVAC (Heating, Ventilation and Air Conditioning) industry. Here are some of the other types of furnace filters.

Clean air is what all people want inside their homes. According to U.S. EPA indoor air is 2-5 times more polluted than outdoor air. The average person inhales about 18,185 liters of air each day. With this, the person breathes 1,120,000,000 particles of dust or microns.

• Disposable fiberglass filters

These filters are the least effective and cheapest units. They are designed to block large dust and particles only. This means smaller particles are not filtered. They are used to protect the furnace and placed in a cardboard frame.

They can filter about 2% of sub micron particles. They are typically installed in the ductwork of the home system.

• Pleated "allergy" filters

They are 35 to 50% efficient when it comes to filtering large allergens like pollen or dust. They are made of denser mesh material. They are better than flat filters. Most are made of electrostatically charged fibers that attract small particles. They cost around $5-$15 each and last for 3 months.

On the other hand, high standard units cost around $250 to $450. The pleats give the furnace filters more media, or surface area, where particles can be captured. Thin pleated filters can filter about 11% of sub micron particles and 25% in deep pleated. Some filters are sold pleated and electrostatic at the same time.

These filters produce 1 inch, 2 inch, and 4-6 inches deep materials. But air conditioners and heaters are 1-2 inches mostly. They usually have a MERV 5 rating.

• HEPA filters

High Efficiency Particulate Air filters are high standard units. They are used in hospitals, research facilities, and electronic laboratories. These places specifically require cleaner air. They block air particles but also blocks air flow.

They can filter about 2% of sub micron particles. They are also used in HEPA vacuum cleaners and HEPA air cleaners. They are advisable to be used by asthma sufferers.

They are similar in design to standard pleated air filters. But they have more pleats per inch to trap the smallest particles. They were developed by the Atomic Energy Commission during World War II. They were created to remove and capture radioactive dust particles from the air. They were designed to protect the human respiratory system.

They consist of a core filter that is folded over corrugated separators to strengthen core. They form the air passages between the pleats.

• Activated Carbon Air Filter

They are known as charcoal filters and are an alternative to media air filters. They are installed together with the regular filter pads. They are used for removing cigarette smokes, chemical and other odors. It removes the undesirable smells in the house. They are also available in panel filters but not as effective as the others.

Factors to Consider in Choosing a Furnace Filter

o filter dimensions- length, width and thickness especially on replacement filters
o filter maintenance regularly for equipment's longer life
o additional cost to electric bill for the use of furnace fan regularly
o special conditions of family members e.g., asthma or lung diseases
o efficiency of filters in terms of MERV rating

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Honeywell Replacement Merv 12 A/C Furnace Filters (Pack of 2)


Honeywell Replacement Merv 12 A/C Furnace Filters (Pack of 2)


$123.36


Honeywell Merv 12 Replacement A/C furnace filters will improve your indoor air quality. These new filters are a great way to reduce dust, pet dander, pollen and other airborne particulates by 97.8-percent.Anti-allergenic Merv 12 pleated air condition filters significantly reduce dust in home Reduces dust mites, mold spores, pet dander, pollen, smoke particles by up to 97.8-percentImproves your indoor air qualityLess dust in your home and your indoor allergy may not be as bad when you are capturing the smaller particles and contaminantsFilter material has a permanent electrostatic chargeDoes not support the growth of bacteria, fungi, mildew or moldQuantity: TwoReplacement Honeywell filters may replace Honeywell FC100A1011, 203721, FC35A1019May be used as replacement Lennox X7935, X0585, and replacement Filtrete Media Air Cleaner 4-inch Filters and othersActual dimensions: 15.75 inches x 24.75 inches x 4.125 inchesStandard dimensions: 16 inches x 25 inches x 5 inchesSome filters require a foam strip added to make our filters width or length long enough to workImportant note: Almost all filters are a fraction of an inch smaller than the nominal size printed on the filter so it is best if you measure your filter for the exact size and compare it to the 'actual size' dimensions listed above.

Honeywell Replacement Merv 12 A/ C Furnace Filter (Pack of 2)


Honeywell Replacement Merv 12 A/ C Furnace Filter (Pack of 2)


$107.04


Honeywell replacement air cleaner furnace filter Merv 12 will improve your indoor air quality. A new filter is a great way to reduce dust, pet dander, pollen and other airborne particulates. Each air condition/furnace filter measures 20 inches x 25 inches x 5 inchesThis comes as a pack of twoExact actual filter size: 20 inches x 24.875 inches x 4.125 inches20 Pleats instead of 16-18 pleatsMERV 12 efficiency instead of MERV 8-11Non-woven synthetic filter media will not support the growth of mold or bacteria, keeping your home healthierFilters use permanently charged electrostatic material that helps dust cling to the filterAnti-allergenic Merv 12 pleated air condition filters significantly reduce airborne particulates by up to 97.8-percentMay be used as replacement Honeywell for FC100A1037, FC200E1037, 203720, FC35A1027, F25F1026, Air Demon Filter Media number 142-304-800, Duracraft 52025, Lennox X6675 and othersMay also work in Aprilaire Space-Gard Model 2200 Air Cleaners and HCF20-16 air cleaner cabinets and Replacement Filtrete Media Air Cleaner 4-inch filters and othersCheck the exact measurement of your filter to make sure this filter will work prior to orderingImportant note: Almost ALL filters are a fraction of an inch smaller than the nominal size printed on the filter so it is best if you measure your filter for the exact size and compare it to our measurements listed above

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Posted by Mike - August 10, 2009 at 3:09 am

Categories: Filter topics   Tags: , , ,