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Filtrete air con filters -- I've been doing it wrong?

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  • 3M says, cover only 50% -66%

  • perthperson
    perthperson

    You Sir are very polite!     The truth is that filter is never going to effectively filter very much ! 

  • perthperson
    perthperson

    I know a scientist who works for 3M    I am sure she will happily assist my understanding of how her Companies filter works !!   I am going to enjoy this especially when she be forced to buy

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I fitted Filtrete into my wall-mounted Daikin unit after having the unit cleaned. 

The wall-mounted unit (not the compressor) is quite noisy know.Is this a typical effect of Filtrete? (I have never used Filtrete before)

Or is this an effect of shoddy cleaning? (My Mitsubishi unit got noisy after cleaning,  no Filtrete involved)

On 7/5/2017 at 1:32 PM, Crossy said:

What do the instructions say?

3M says, cover only 50% -66%

On 7/5/2017 at 4:55 PM, sfokevin said:

They must filter something as they turn dark gray after a couple weeks use...

Fully agree with that. I am using the 3M filters and cover only about 60% of the required area. Within a few days the filter turns from white to grey and black within 2-3 weeks. This black dust would otherwise be in my lungs. I am in Bangkok.

54 minutes ago, msbkk said:

This black dust would otherwise be in my lungs

The pm2.5 part of it would not be in your lungs - it passes through the lungs and goes directly into your blood. :wacko:

 

Did the Filtrete make your a/c more noisy?

3 hours ago, Lorry said:

The pm2.5 part of it would not be in your lungs - it passes through the lungs and goes directly into your blood. :wacko:

 

Did the Filtrete make your a/c more noisy?

The filters of 3M are very thin and there is no change in noise level at all.

I would never obstruct the airflow off the air conditioner in any way.
 
We are using the air purifiers from Hatari since I can easily mount a Filtrete in front of the original Hatari filter. Just takes a few minutes. This makes them very cheap to operate in the long run. The actual filter from Hatari I only replace every one or two years.
 
So in our 50 m² lobby we operate three such air purifiers and get down the AQI index down to about between 15 and 25. In my a bit less than 15 m² office I only operate one such purifier and I have an AQI index between zero and 12. The given values applied to outside AQI about 150.

airfilter1.jpg

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