
Shark - Air Purifier MAX with True HEPA
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Last updated: Nov 11, 2025 Scoring
I have 2 Sharks. A small.clean air sense model.for the bedroom and a large never change (filter) model for the first floor. We have a 85lb GSD and it really helped with the dog smell. I've also noticed a lot less dust. Overall the house feels and smells a lot better.
r/Home • Best air purifier for home to buy today - What are your favorite choices? ->I have bought a lot of different air purifiers over the last decade. This one is my favorite for many reasons but mainly because you don’t have to constantly buy new filters. Doesn’t have to be these exactly but something like this. https://www.bestbuy.com/site/shark-neverchange-air-purifier-5-year-filter-life-650-sq-ft-black/6567890.p?skuId=6567890 Or https://www.bestbuy.com/site/shark-neverchange-air-purifier-max-5-year-filter-life-1400-sq-ft-white/6548655.p?skuId=6548655#tabbed-customerreviews
r/AirQuality • What’s the Best Air Purifier to Buy Right Now? 🙏🙏🙏🙏🙏 ->I have an older model. Works pretty well. It gets angry when we cook and sometimes if a window is open and there’s a lot of pollen or whatever it will be mad at us but if we’re just chilling it sits at 100 or 99. That 100% is just the thing saying that it’s not worth filtering the air because it’s good.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have mostly shark. There is a large 1200 sq ft never change filter one. The filter is good for like 5 years. They auto update the speed based on air quality and there is a noticeable difference in the air. I also have a blue air. It’s very fancy and WiFi connected and does the exact same shit my sharks do but with an app. It’s more aesthetically pleasing which is why we got it.
r/homeowners • What are the best air purifiers for home currently? Do you notice any difference when using them? ->I have a Shark NeverChange MAX and it does a great job while not needing the filters to be replaced for a while. I have family with cat allergies and it does a good job making it manageable. The odor capsules are also pretty helpful especially if you're a member of /r/trees
r/BuyItForLife • The REAL best air purifier - I HATE DUST! ->Winix was the other brand I saw at the store and it was definitely cheaper than Shark. I only went with Shark because I knew of the brand already and did next to no research.
r/Costco • Shark air purifier.. good? bad? ->Another edit because I can’t respond to everyone since I’m on mobile. I already bought it, brought it home, and plugged it in. I plan on using it for a bit to see if I notice a difference. It’s the Shark NeverChange Max. There was another brand at Costco (Winix?) that was cheaper but like I said, I did practically no research and went with Shark because I knew the brand. The tiny research I did on my phone in the store said I should be able to not have to change the filter for a few years, which is a huge plus to me. I’m finally looking more into reviews of this particular model and they’re overwhelmingly good, so that makes me happy. I guess we’ll see how it works going forward.
r/Costco • Shark air purifier.. good? bad? ->Definitely! It said it works well up to 1400 sq ft which is bigger than our entire house, lol. I have it in our living room/play room where we spend most of our time.
r/Costco • Shark air purifier.. good? bad? ->No because I did practically no research. Since I already brought this one home, we are going to try it out and see how well it works.
r/Costco • Shark air purifier.. good? bad? ->I got shark neverchange last year on sale after doing a ton of research on if they actually help. I had been suffering with a stuffy nose at home for a few years after moving into an apartment that had poorly sealed windows and having a wildfire season that made the air really bad. After getting one, my stuffy nose has cleared up, and it's easier to breathe at home now. I dont think super cheap ones will work well, and you dont need to buy a really expensive one. But they are worth it and, in my opinion, really do help.
r/Apartmentliving • Do air purifiers really help with allergies ? ->The version i have is the Neverchange Max. It does come with a scent packet with a dial to turn it up or down. I have that turned to medium most of the time as well and have not noticed any effect on my cat. It may be different for other cats with the scent. Good luck with the new fan!
r/Apartmentliving • Do air purifiers really help with allergies ? ->I'm currently debating keeping it or returning to Costco. CONS: the scent pods are horrendous! I don't like anything scented, so don't plug them in. It's an option. Not sure about the 100% clean air being actually 100%. As someone else said: you can run it on low 24/7 PROS: it does kick in on auto setting when cooking, so the sensor works! Cooking odors seem to be neutralized after a while. The multi-stage filtration seems like a good idea, we will see how long the filter **really** lasts? The fan is strong on max (also loud) I'm having mixed feelings, not sure it's worth the $230 (with coupon) but worst case could keep it as a fan (albeit overpriced)
r/AirPurifiers • Is the Shark NeverChange Air Purifier Max from Costco worth it? ->Joining for comments. I'm trying to decide whether to keep it or return it to Costco. It seems to be working to some degree, but don't have pro tools to measure the actual particles. Worst case I'll keep it as a (expensive) fan? At $230 it's not a terrible price for "never" changing a filter. Sitting in the kitchen on auto it kicks is immediately when cooking, so it's doing something.
r/AirPurifiers • Shark Never change Air purifier ->I grabbed the Shark NeverChange MAX off Costco a few months back and honestly, it's grown on me.
r/Costco • Shark air purifier.. good? bad? ->I have 2 Coways and tried a Shark. I kept the Shark moved the Coways to less prominent rooms. The Shark performs better at detecting lower air quality sooner and has another fan speed level, so it doesn't get as loud all the time. I prefer the Shark and bought a second with larger capacity and it's even better. Shark NeverChange Air Purifier MAX
r/Costco • Need Help Choosing an Air Purifier from Costco—Totally Lost Here! ->I have one and am happy so far - and to contradict misleading statements posted here - you can set a fan speed and have it run 24/7. The default automatic mode will shut off the fan if the sensor deems air quality is good I run mine 24/7 with the intent of perhaps replacing the filter every 2 years but will monitor - it definitely will NOT last 5 years if you run the fan continuously (read the fine print). Also every time I cook in my condo it air quality sensor detects the degradation of air quality and display values reflecting the air quality change so I believe the sensor is reliable. Also it can circulate a lot of air quickly and I ramp up the fan speed sometimes just for the cooling effect without the need to run my AC as often.
r/AirPurifiers • Is the Shark NeverChange Air Purifier Max from Costco worth it? ->Don’t get the shark.
r/AirPurifiers • Black Friday is here what purifier do you guys recommend ->Sorry. To expand - don’t get the Shark, it’s poorly built and they’re lying about never changing the filters.
r/AirPurifiers • Black Friday is here what purifier do you guys recommend ->No. For several reasons: 1. Never change is a lie, you’ll be lucky to get a year from the filter. 2. It comes with SCENT PACKETS. Air purifiers remove contamination from the air, they don’t add things to it! 3. Like all things Shark, it’s disposable.
r/AirPurifiers • Is the Shark NeverChange Air Purifier Max from Costco worth it? ->Not worth it at all, tried it for a week and returned. The “auto” mode turns off the fan entirely because the sensor claims the air is 100% clean which defeats the entire point of an air purifier. Also uses sent pods which just add VOCs to the air. Got the Winix 5520 from Amazon on sale for $150 and night and day better. Fully automated but air is always moving even on sleep mode. Also quicks up to higher speeds quickly when cooking or my dog farts while walking by lol.
r/AirPurifiers • Is the Shark NeverChange Air Purifier Max from Costco worth it? ->Shark has never change filter air purifiers on their clean sense IQ models now and they have built in air quality sensors and auto mode which is economical as it only turns on the fan when it senses something in the air. Also it has a button to switch between air quality views and show you what (PM 10, PM .5, PM 1) is fouling up the air quality. Also shows time to clean air and percentage of the air that's clean. I have two of them. I also have two of the Vornado AC350's. Their filter replacement are reasonable and the carbon filter can be easily upgraded on Amazon for a reasonable price.
r/AirPurifiers • Recommendation for 1000sqft Apartment in Los Angeles ->I really like my Shark never change filters. They’re really quiet and pick up on air quality changes super quick. Easy clean
r/homeowners • To kind homeowners, the best air purifier? What do you use for home? ->Same! Felt my allergies starting to kick up again and for some reason, it's always worse in our bedroom and at night and my shark purifier verified it. But more importantly, since I have had it running, my allergy attack subsided way way faster than it normally does.
r/Asthma • Is it worth spending hundreds on an air purifier? Is so, which one? ->Just got the shark never change and it's pretty quiet even on its highest setting (like a low fan). It's only on the highest setting when air quality isn't the best. If I keep it running all day and night, it's usually whisper quiet at night since it already cleaned the air during the day.
r/Asthma • Is it worth spending hundreds on an air purifier? Is so, which one? ->I can't comment on the Levoit. I did recently purchase the shark never change air purifier. It has a HEPA filter and does not produce ozone. I live in a small apartment and it has improved the air quality. The one I purchased purifies 650 sqft., it was $179 on Amazon. I would recommend this air purifier based on my experience.
r/AirPurifiers • Should I not get a Levoit? ->I've read mixed reviews about it. I took the chance and am pleased with my purchase.
r/AirPurifiers • Should I not get a Levoit? ->We have 3 Levoit, but I got a Shark "never change" and I'd recommend it. You can turn all the lights off for sleeping and you don't need to replace the filter but every 5 years I think? It also has several modes and shows the percentage the air is clean. It'll kick on when needed
r/CleaningTips • Air purifiers are they worth it ->Shark Never change Air Purifier is great
r/Home • Best air purifier for home to buy today - What are your favorite choices? ->You don't need HEPA for dust and dander, Merv 13 will handle it. I bought a Shark NeverChange on sale for my living room because it's the largest room and my forced air doesn't push enough through to filter for our 3 dogs and 4 cats. Supposed to be 5 year filters (we'll see) and it has a built in AQI sensor. It also senses if the pre-filter is clogged and tells you to clean it and they're the most easily accessible I've seen.
r/pittsburgh • Anyone running a HEPA air purifier in their house? What model? Has it made a difference? ->Depends on what your expectations are. The Shark Neverchange is fine as far as purifiers go, people on this sub are obsessed with Coway and Winix so you won’t get many other suggestions outside of that. Air purifiers are essentially a fan with a filter, the neverchange has pre filters to protect the hepa filter. The hepa filter in that machine also has an included “pre filter” wrapped around the actual hepa filter. The filter will undoubtedly last longer than one without or with partial “pre filters”, just maybe not 5 years. For the space you’re looking to cover I’d recommend 2 purifiers or using the neverchange on med-high permanently (avoid auto).
r/AirPurifiers • Shark NeverChange air purifier for multi level home ->Looks the same as ours we got a year ago. We have a dog, three cats, and two children. Really the only time it goes low is if we are cooking bacon. I usually just leave it at level two speed. It does pick up hair and what not. Usually open it up and pull hair off of the outside of the filter every month.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have had mine for a few months and mine works great. It’s super sensitive. It is on auto and I can see it working when I’m cooking and when my HVAC turns on. I have a 105 year old house and it has noticeably helped my allergies. Not sure if maybe it’s the placement? No real idea honestly.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->As soon as we took this thing out of the box and set it up I knew it didn’t actually work. I’ve had other air purifiers and this thing just never ran. Returned it that same night.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have had one of these for a couple years. I know it's pulling in air because of all the cat hair I have to clean off of it. It also changes when I cook, a cat uses the litter box, my husband walks inside from smoking, etc. Sound like your might be a dud. The "air quality" detector is 4 small holes on the back. Bring a burning candle or put out a match near those spots to see if the reported air quality changes.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I got two and it's getting super clogged with the senors. I put a new filter in and it's still 0%. Just make sure you clean it frequently.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->You also have it to close to the wall. The sensors that read the air are in the back. The directions say it needs to be like 6 inches away from the wall to work correctly. https://preview.redd.it/cu3dvtfrocne1.png?width=1440&format=png&auto=webp&s=a9aaba9a94e2bcba209f5c6033b693a6d48727a4
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->Mine drops to 0 whenever I cook anything. If I open the balcony door during the winter inversion, the number drops by a lot as well.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->Where do we get replacement filters? All of my shark max filters lasted less than 1 year and I have replace filter error.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->Mine didn’t change either until I started cooking and the smoke will make it change pretty quickly.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I just got one this year .. with mine it goes from 100% to like the 60s whenever I make popcorn or cook bacon in the house. Also whenever I turn on a humidifier in the room it always drops the air quality reading of it lol
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have this one and it the percentage changes a lot with cooking. I changed the filter after 6 months and it was very dirty so it was doing its job. Ours just slowly runs most of the time though. Maybe yours is just a dud?
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I ordered 4 of these things and ALL of them sat off all day and night saying the air was perfect. I placed another brand (Winix) right next to it and it shows the air was dirty and ramped up for a couple hours. It's no wonder the filters last for 5 years, the thing never runs. All 4 of them did the same thing and would rarely come on. They are not "purifying the air" if they are not moving the air through the filters. Total garbage and I returned all four and replaced with much cheaper Winix units which have been great.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->Same, mine always goes berserk when I start cooking
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->Hey Costco friends! Just grabbed that sweet Shark MAX deal ($150 with extra filter) and I'm starting to think my unit might be the air purifier equivalent of an overly-optimistic friend. (Razor for scale - it’s big!) According to Shark, my air quality is a perfect 100% ALL DAY LONG. Even when: - My elderly Akita wanders by shedding fur like it's his job (and also pooting pretty non-stop) - I deliberately sprayed Lysol directly in front of it (for science!) Meanwhile, my trusty Coway Airmega 200M goes absolutely bonkers at the slightest disturbance. When the Akita walks by? BEEP! Lysol spray? "I'LL SAVE YOU HUMAN!" The Shark? "100% perfect air, nothing to see here!" 🙄 I did all the obvious stuff - removed the plastic from the filter, checked connections, etc. I also noticed barely any air being pulled INTO the unit (though it does push air out). Anyone else experiencing this with their Shark MAX? Is my unit defective or just incredibly optimistic about my home's air quality?
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->You can manually turn it up, yes. But because it thinks the air is always fantastic, when I put it on auto/Eco mode, the higher fan rate is never triggered.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->Shark has my undying loyalty prior to this because of the way they’re vacuumed have handled Akita hair. Maybe I’ll just stick to the vacuums of this brand.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I’m glad you said that. I was starting to second-guess my shark max air purifier purchase yesterday!
r/Costco • Any thoughts on pictured air purifier? ->My experience: I have two of these, the taller model in the master bedroom, and a shorter one for the living room area. They always say 100%. I think once or twice they might've said 99% briefly, other than that they're always at 100%. The irony is, my house is dusty as hell. Always has been. On top of that, my GF moved in and her dog is shedding everywhere which is driving my allergies crazy. There's so much hair, there's hair all over the vent grating of the one in the living room. I generally run them on manual medium speed. After four or five months I pulled the filter out and it had a significant layer of dust and hair on it. And yet, both of them read 100%. I've had a bit of a problem finding replacement filters for them. I've had to resort to third-party filters on Amazon. I guess that's OK, because the Shark filters are ridiculously expensive, that is if you can find them. The times I've checked they are even sold out on the Shark website. If anybody knows where to get the OEM filters let me know.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I had one of those and returned it 2 years ago. As much as I love Shark vacuums, I hate this product. It went from everything is fine to TURBO MAX DEFCON 1, every 5 seconds.. Yes I took the plastic bag off the filter.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have a Shark and a coway in my basement pottery studio. They are not right next to each other. I keep them both on medium fan speed and they usually agree with each other. When I have them on low fan speed, the coway reads dirtier air more than the shark. Try leaving it on manual medium fan speed for a day or two and see what it does.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have 2 of these and they are really sensitive (but I run them pretty high manually). If that’s where you actually leave it it’s way too close to the wall.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have one of these and it works well. Blow out a candle in front of it and you’ll see it turn red
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->We own two of the shark never change and we are so happy with them. Highly recommend. If you want to test the air filter, cook something near it. When we cook bacon, the display drops down significantly
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->We have a purifier on every level of the house, 3 in total. They are definitely game changers and help with smell, but also dust. We have two shark air purifiers with hepa filters, looks like it’s 120$ right now online. (So you can possibly get two depending how your house is set up) Those two are on our downstairs level one in the basement where the box is and one on the main level. They’re very quiet I never hear them, run them 24/7 with no issues. Our third is a dyson, honestly it was a gift i wouldn’t spend money on it 🤣 id stick with the sharks lol
r/AirPurifiers • Best air purifier for litterbox odor/pets in 1,100 sq ft home, $200 max budget? ->I have a Dyson - it was a gift, and honestly I wouldn’t buy one myself 🤣 I honestly don’t even know if it does anything it’s on in our bedroom. We have two other purifiers one on each floor and they’re sharks, they were about 100$ each. Work great and the one in the basement really keeps the kitty litter smell to 0.
r/AirPurifiers • Never gave a thought to air purifiers until I saw a video where a Dyson cleaned a little clear box of red dyed particulate within a few minutes. Now I’m terrified of all the little things in my air that could harm my kitties. ->I bought one. Not so sure it works. The light ring that indicates a change in air quality does change when I cook. I’m in an apartment. The unit is in my living room. But it takes a good 40 min to an hour to get back to 100 %. I would think that’s just the natural time of the air clearing. No help from the unit. 🤷🏻♀️ Also I just put it in the bathroom w my bf while he poops. No change in the air reading or smell of the bathroom. After this test I am returning.
r/AirPurifiers • Shark Never change Air purifier ->I have one and I love it! I have two sick people in my house with a cold. It’s been kicking on a lot lately because it detects bacteria and viruses in the air. 🦠
r/Costco • Shark air purifier.. good? bad? ->I just bought a Shark air purifier and it’s near the kitchen. No more food smells lingering in the kitchen. It does NOT like sauerkraut, burnt eggs or fried tortillas 😆
r/AirPurifiers • Can anyone convince me that airpurifierers are not a uneccessary waste of money ->Clears the air way faster and better than my Dyson. It’s a workhorse.
r/Costco • Shark air purifier.. good? bad? ->there are 2 filter, it has pre-filters on the outside that can be washed and inside is a typical air filter cartridge. The idea is the outer pre-filters catch most the debris and can be washed off, saving the inner hepa. But no, it’s not actually never-change, you will eventually have to replace the hepa, I think they say 5 yrs but all depends on
r/Costco • Shark air purifier.. good? bad? ->I have this model. It advertises as lasting 5 years between changes, but I think that is inaccurate because each environment is different. I think mine will need yearly or bi-yearly changes.
r/Costco • Shark air purifier.. good? bad? ->We've had ours for a few months. We keep it on auto, and don't use the fragrance thing. The purifier kicks on when we are cooking. It's nice and quiet.
r/Costco • Shark air purifier.. good? bad? ->I have one and love it. I keep it running constantly. Every now and then it will turn itself off and I have to spray off the filters on the sides and then it goes right back to work. I have 2 dogs and there’s a noticeable improvement in pet smell. I’m not sure where to get replacement air fresheners for it though. I definitely recommend one of these, especially if it’s discounted
r/Costco • Shark air purifier.. good? bad? ->I’ve been running a Shark air purifier for about 3 months with no noticeable reduction in dust
r/BuyItForLife • The REAL best air purifier - I HATE DUST! ->Just bought the Shark from Costco last night. My anecdotal evidence so far: My college age son has allergies and always wakes up feeling crappy, he said he actually felt good this morning. I let the dogs out this morning and left the patio door open the air quality monitor dropped significantly and the air purifier kicked into high. My husband and I went to bed with sore throats last night after running errands, no sore throats this morning. As someone who is affected the bad air quality I’m getting desperate.
r/TwinCities • Air Purifiers Worth it? ->We have 2: one downstairs and one upstairs. They work very well. Only have to change the filters every 5 years.
r/Costco • Shark air purifier.. good? bad? ->I bought a shark air purifier a few years ago and it was always at 100% I had to get a replacement and it actually worked.
r/Costco • New Shark MAX air purifier think my house is cleaner than heaven itself (or it’s just broken) ->I have a Shark one in my kitchen and do love it, but only bought it because of our lack of extractor fan and the fact I became a bit intolerant to my cats when I got pregnant. I probably wouldn’t want to spend the money on one unless, like you said, there is a specific issue you need to tackle. A dehumidifier on the other hand - we’ve noticed the air quality rating on the purifier improve drastically since we bought the dehumidifier. The house warms easier and, obviously, there is less moisture and condensation in the house so we worry a lot less about mold and damp in the colder air (especially being close to the coast in the UK).
r/NewParents • Air purifiers in the nursery: best one? are they really necessary? ->Mine stopped working after 2 months. Sensors read poor air quality all the time so the unit was running non stop. Luckily I bought it from costco so return was easy.
r/Costco • Shark air purifier.. good? bad? ->I have shark, love them!! I smoke weed but honestly don’t smell it when I get home anymore 😜
r/CleaningTips • What air purifier do you swear by? Trying to cut through the hype. ->Had it for a few months, takes some of the dog smell away… seems to be working well
r/Costco • Shark air purifier.. good? bad? ->Buy the shark. The Winix ones die so fast.
r/Costco • Any thoughts on pictured air purifier? ->I bought ours during Canadian wildfires recently. Have 3 cats. I think it helps, esp with cooking related stuff.
r/Costco • Shark air purifier.. good? bad? ->I like my Shark Air Purifier. The filters are reusable and easy to clean, and the unit itself is affordable.
r/BuyItForLife • The REAL best air purifier - I HATE DUST! ->We have a Shark that we got on sale and I like it because it also gives a reading of what the air quality is in the room. But we also have a “levoit” small one from Amazon that we put in a small room, and we’re used the reader on the Shark to see if it works and it works just as well.
r/vancouver • What air purifiers are best for forest fire smoke? In a 400sq ft room? ->There are lots of fraudulent bad air purifiers which are nothing but expensive fans out there. I have asthma, and have 3-4 purifiers of various different stripes throughout my home. Some are indeed better than others. Because i have asthma, I make sure that air purifiers do not have ionizers (which emit ozone and cause respiratory irritation). I use germ guardian, honeywell and shark. Depending on the size of the room, I try to get ones that fit the area in question. The current one I like is: # Honeywell AllergenPlus HEPA Air Purifier, Airborne Allergen Reducer for Large Rooms, Reduces Allergens, Smoke, Wildfire Smoke, Pollen, Pet Dander and More, Black, HPA200
r/Home • What's the best air purifier for home you've used? Worth it or Scam? ->We have a shark that filters very well. I'll hit my bong and watch the air quality go to 0%. That's when I know I'm really getting clean air.
r/smarthome • To people who use Air Purifiers, do they work or is it a scam? ->I have had Levoit purifiers and 1 Shark throughout my house, so a total of 9, which range in all sizes. 7 of them have sensors built in, which change the color based on air quality. I also have a couple other sensors one being a Kaiterra Egg the other two being handheld air quality testers from Amazon. I’ve found the readings between them to be very consistent and accurate.
r/AirQuality • i feel bad all the time in my new apartment (no central air). took a measurement today and this is what it was. what can i do? is this liveable? i have asthma so I'm sensitive to air quality ->I tried it and returned it. I wanted to use its auto mode. But it doesn't seem to ever turn on by itself. Since that's the primary reason I wanted that model, it just didn't work out.
r/Costco • Shark air purifier.. good? bad? ->I suspect that's part of their marketing for the Never Change filter, by using the auto mode.
r/Costco • Shark air purifier.. good? bad? ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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