This is maybe the wrong place to post this, but with fire season approaching, a pretty decent high-volume air purifier can be made using filters, tape, and a box fan: https://www.texairfilters.com/a-variation-on-the-box-fan-wit...
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Reverse engineering Xiaomi air purifier NFC stickers
51–60 of 118 posts
Re: Reverse engineering Xiaomi air purifier NFC stickers
#52Can someone explain what's the result of filter utilization / capacity. Is it efficiency? Does it start spilling out particles? I feel like a 100% used filter will still do a pretty good job, so unclear how much of the utilization % has commercial reasoning?
Efficiency in terms of airflow goes down, and static pressure difference goes up - but the filters trap more of the particles going through them. Changing filters on furnaces and AC units is really important, since lack of airflow hurts efficiency. Wirecutter (which is usually trash) confirmed this in testing; versions of units that had been running for months or longer (ie one they bought a year ago and used in some…
Re: Reverse engineering Xiaomi air purifier NFC stickers
#53Earlier quoted context omitted.
Efficiency in terms of airflow goes down, and static pressure difference goes up - but the filters trap more of the particles going through them. Changing filters on furnaces and AC units is really important, since lack of airflow hurts efficiency. Wirecutter (which is usually trash) confirmed this in testing; versions of units that had been running for months or longer (ie one they bought a year ago and used in some…
curious - why is Wirecutter trash? I’ve been sorta feeling iffy about them for no real reasons but they seem highly recommended
Re: Reverse engineering Xiaomi air purifier NFC stickers
#54Earlier quoted context omitted.
curious - why is Wirecutter trash? I’ve been sorta feeling iffy about them for no real reasons but they seem highly recommended
They almost always conveniently only recommend products that allow for referral fees.
Re: Reverse engineering Xiaomi air purifier NFC stickers
#55Earlier quoted context omitted.
curious - why is Wirecutter trash? I’ve been sorta feeling iffy about them for no real reasons but they seem highly recommended
They almost always conveniently only recommend products that allow for referral fees.
Re: Reverse engineering Xiaomi air purifier NFC stickers
#56I've never experienced an air purifier, what's the general consensus? Do they make a difference? Perhaps a placebo? A must have? Genuinely interested if I'm missing out - For what it's worth I do live right on a main road in the UK, so I expect there is some level of pollution in the air.
Re: Reverse engineering Xiaomi air purifier NFC stickers
#57Can someone explain what's the result of filter utilization / capacity. Is it efficiency? Does it start spilling out particles? I feel like a 100% used filter will still do a pretty good job, so unclear how much of the utilization % has commercial reasoning?
My intuition is that the more “full” it is, the less air will flow through it, meaning it just doesn’t do as much. Not to suggest that what the manufacture decides “100%” is is actually that.
Re: Reverse engineering Xiaomi air purifier NFC stickers
#58Earlier quoted context omitted.
They almost always conveniently only recommend products that allow for referral fees.
The product manufacturers don’t pay referral fees, it’s the retailer. So your entire argument against them is you’re mad they make money by linking to Amazon or target?
Re: Reverse engineering Xiaomi air purifier NFC stickers
#59Earlier quoted context omitted.
They almost always conveniently only recommend products that allow for referral fees.
The product manufacturers don’t pay referral fees, it’s the retailer. So your entire argument against them is you’re mad they make money by linking to Amazon or target?
Re: Reverse engineering Xiaomi air purifier NFC stickers
#60I've never experienced an air purifier, what's the general consensus? Do they make a difference? Perhaps a placebo? A must have? Genuinely interested if I'm missing out - For what it's worth I do live right on a main road in the UK, so I expect there is some level of pollution in the air.
We live in the city and always are struggling with allergies. The whole family is always coughing or sneezing. We bought a xiaomi air purifier like in the article last week, started using it in the bedrooms for a few hours in the evening, and the allergies cleared up overnight. The particulate sensor is mostly useless, a known problem with the xiaomi models, but running it at a fixed setting seems to clean the air qu…
What doesn't work well for me is the auto mode, it barely does anything at less than 50µg/m^3, way too high even for the mediocre air in my area. So instead I use automation in their app to let it run at full speed for 30 or 60 minutes.