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I am replacing my Honeywell air Filter for my main Central Air and I am not sure which direction the air flow arrow should go.

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Hello, the airflow arrow should always point toward the Furnace.

Posted on May 28, 2011


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Have honeywell air geius 5 can't reset filter lights

Hello, this is Ava with Think Crucial.

Make sure that the new filters you installed are undamaged and correctly seated in it's assembly. When resetting the unit, unit must be powered on then press and hold the appropriate filter indicator button for approximately 10 seconds until the light turns off. If nothings happens, unplugged the unit from the power for about a minute and then try to reset the unit. If all else fails, I would suggest to contact Honeywell for more assistance.

You can purchase a wide variety of high quality Honeywell replacement parts for your Honeywell Air Purifier direct from Think Crucial with free shipping and an exclusive 10% coupon for readers, use code: FIXYA10

I hope this was helpful.

Ava B.
Think Crucial Customer Care

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How do you change the filters in a Honeywell F300A-1625 Electronic Air Cleaner ?


Locate your furnace and the filter compartment. This compartment is normally covered by a strip of metal that slides in and out of place. Step2 Determine the size of the air filter that needs to be replaced. The sizes are noted on the side and usually appear as 16x24 inches and other similar sizes. Step3 Purchase a replacement filter in the size required for your system. There are a variety of filters to choose ranging from the inexpensive standard spun glass filters to pricier synthetic polyester fibers. Step4 Consider high efficiency filters if you live in warmer, dustier climates as they do more than just capture dust particles. The high efficiency filters can trap tiny particles of dust, pollen, mold and other irritants. Step5 Look at hepa filters and filters coated with chemicals to kill bacteria if allergies and other irritants are a concern for your family, . Step6 Use a black permanent marker when you change the filter. When you slide up the metal guard, note the direction of the air flow marked on the side of the old filter and draw arrows in the same direction on the metal guard. This way you will have no question which direction to insert the new filter. Step7 Replace high efficiency filters at least 4 times per year. Read the manufacturer's label as most recommend changing your air filter on a monthly basis. (High efficiency filters do have a longer life expectancy than the less expensive spun-fiber filters.

Oct 06, 2008 | Honeywell Heating & Cooling


Most common heating and air conditioning problem.

the most common HVAC problem i find is that the air filter is needing to be changed or is missing witch causes the evap coil to get plugged up, causing low air flow witch will trip a limit switch during the heat mode , and in A/C mode will cause the evap coil to ice up .clean or change your air filter every other month and make sure it is put in facings the right way there is an arrow on the side of the air filter it should be facing in the direction of the air flow. also if your a/c condenser is out side on the ground make sure the coil is clean and clear of any weeds or other da bree that would restrict air flow

on Apr 20, 2010 | Heating & Cooling

1 Answer

Direction of flow air conditioner filter

There are quite a few possible answers to this because you did not specify what type of unit you are asking about: Central Air, Window unit, Stand-alone-upright Unit, etc.
If this is a central-air unit or a unit that uses your furnace blower to circulate air, then in most cases the filter is a square or rectangular shape and is between 1 and 4 inches thick. The "Direction" the air flows through the filter is indicated by a set of arrows printed on the thin edge of the filter - usually with the word "flow" or "Air flow". Insert the filter with the arrow(s) pointing toward the furnace/blower. Another way to determine flow direction is if the filter has a mesh or screen on one side of the filter media. In this case the screen or mesh would go toward the furnace/blower when the filter is inserted.

Sep 13, 2014 | Heating & Cooling

1 Answer

Where is the filter located in the armstrong air ultra v advantage 93?

The Filter will be located between the air return and the blower box. Sometimes there is a filter "rack" added by the installer on the outside of the furnace - it will be located between the blower box (lower part of the furnace where the blower is located) and the air return duct - Locate the filter rack and remove the access cover, slide out the old filter and slide in the new one - Note that filters are "directional" meaning they are designed for air flow in one direction only (look for the air-flow orientation marked on edges of the filter) replace the access cover. If you do not see the filter rack on the outside of the furnace, it may have an internal filter rack (inside the blower box)
To change an internal filter - Remove the lower front cover of the furnace, the filter will be held flat against the return inlet by some sort of retainer - remove and replace the filter with the same size and type - be mindful of the air-flow orientation of the filter (air-flow indication arrows should point toward the blower). Replace the retainer and cover(s).

Sep 13, 2014 | Heating & Cooling

1 Answer

I just purchased my 3M 16x25x1 air filter, i do not get what the filter should point to, toward the furnace or toward or toward the duct work

There is an arrow on the filter indicating the direction of air flow. The arrow should point toward the ductwork as that is the direction the air flows from the furnace fan.


Feb 02, 2011 | Heating & Cooling

2 Answers

Which direction is the air flow supposed to do go when I replace my cabin air filter on my 2006 Honda ridgeline?

if you have your old filter still in there look at which way the arrow points on it. If not the leave the filter out and turn your air on. Feel with your hand which way the flow is going.That will tell you the flow.

Dec 06, 2010 | 2007 Honda Ridgeline

1 Answer

I cleaned the filter in my Goodman furnace/ac unit and now I'm not sure as to which way it show go back in!

Should have an arrow on one side showing air flow, if the filter is under the blower the arrow should point up, if you have a filter rack in your wall the arrow should point in, in otherwords the arrow should always point in the direction of air flow

Oct 20, 2008 | Goodman Heating & Cooling

2 Answers

Can't get the Honeywell F300e EAC back together.

there is a plastic cell key that keeps you from putting the cells in backwards. Simply reverse the cells and they should slide in fine.
I/O is the power switch, I think O is off.

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1 Answer

Honeywell F300E not cleaning air.

A newly installed system should still be under the contractor's labor warranty. Call them and ask them to come out to check on the unit and explain what you wrote above. This should cost you nothing and is the best way to get to the bottom of the problem.

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