Shark - Air Purifier MAX with True HEPA
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Reddit Reviews:
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Last updated: Dec 25, 2025 Scoring
Liked most:
276
92
"It’s is SO MUCH more quiet than the s7 it ramped up the suction power from 4000 to 19000 yet I can let it clean my office room while being in a call now."
"Extremely quiet compared to our last one to the point where we can have it running while my partner is in work meetings (besides emptying water and dust bin, but that is 10 seconds of loud x 2)."
"pads that lift on carpet so you can run it while the baby naps"
150
5
"this thing has been amazing!!! ... I have two kids with seasonal allergies and this thing has been amazing!!!"
"I have a levoit and it’s amazing. ... I have the large one in my bedroom which isn’t that big but I have 5 dogs and it alleviates so much dust. ... That’s the only room in my house that I breathe the absolute best in."
"it’s majorly helped w allergies and dog smell"
71
5
"The sensors are amazing. ... Yes whenever I cook or smoke they instantly kick on and work really well."
"It filters out dust, dander and odors amazingly well."
"it’s majorly helped w allergies and dog smell"
30
7
"I bought the first one in 2008 and it’s still running at this very moment."
"I've had Austin Air Healthmate Junior for over 6 years and have changed the filter I think two times."
"It says the filter can last up to 5 years. ... I appreciate not having to spend more $$ on filters at least in the next couple of years. ... I barely remember to change my air filter in the basement so anything to make my life easier is a plus. ... 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."
26
10
"I have had my Xiaomi 4 pro for years. ... 50sq/m and even with this bad air. It stays single digits. Right now at 3."
"New or higher end Xiaomi models (I think 3 Pro and later, 4 normal and later) have a laser particle detector and are dead accurate."
"My particle sensitive partner (allergies & athma) feels the difference ... the Pm5 score readings have been very reliable, reflect every messy event in the house, the level of pollution when we open the windows, and goes down steadily when we close all doors&windows."
Disliked most:
9
41
"their battery isn't lasting any longer than 1h at most"
"The usb doesn’t work anymore. ... It just makes a nonstop sound screeching sounds whenever a sound it played through them. ... That happened within the first month of having them."
"battery died just months after warranty expired."
10
15
"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."
"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!) ... The Shark? "100% perfect air, nothing to see here!" 🙄 ... But because it thinks the air is always fantastic, when I put it on auto/Eco mode, the higher fan rate is never triggered. ... It turned bright red, and said that the air would be clean again unless 60 minutes. It was back to 100 within a minute or two."
"I ordered 4 of these things and ALL of them sat off all day and night saying the air was perfect. ... All 4 of them did the same thing and would rarely come on."
5
7
"I ordered 4 of these things and ALL of them sat off all day and night saying the air was perfect. ... All 4 of them did the same thing and would rarely come on."
"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."
"But because it thinks the air is always fantastic, when I put it on auto/Eco mode, the higher fan rate is never triggered."
10
7
""NeverChange" with "up to 5 years use" is purely a marketing gimmick. ... [The owner's manual for the HP150 series] states this is "based on 50% CADR declined, 135 sq. ft. cleaning area and 12 hours daily operation on MAX fan speed." ... [The infographic on the model HP152 product page] is different, claiming the cleaning area is "300 sq. ft." ... Either way, that's much smaller than the 650 sq. ft. rating. ... And obviously any mechanical filter's lifespan depends on pollutant concentrations."
""NeverChange" with "up to 5 years use" is purely a marketing gimmick. ... [The owner's manual for the HP150 series] states this is "based on 50% CADR declined, 135 sq. ft. cleaning area and 12 hours daily operation on MAX fan speed." ... [The infographic on the model HP152 product page] is different, claiming the cleaning area is "300 sq. ft." ... Either way, that's much smaller than the 650 sq. ft. rating. ... And obviously any mechanical filter's lifespan depends on pollutant concentrations."
"It's no wonder the filters last for 5 years, the thing never runs. ... They are not "purifying the air" if they are not moving the air through the filters."
5
3
"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."
"It does NOT like sauerkraut, burnt eggs or fried tortillas 😆"
"I don't know if it does smell very well."
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 got a shark one from costco. It worked so well that I went back the next week and got another for the upstairs. the first is in my office with my rat cage.. the smell is virtually gone from them. The other is in my wife's library with the litter box for the cats. Smell is also gone.. Can't believe I didn't do this sooner.
r/homeowners • The Best Air Purifier for Home to Buy now? Do you find the air in your house actually better since you started using it? ->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) ->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 ->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) ->I have two Shark ones too, I'm happy with them. One is also near my cat's litter box, mainly because I'm super paranoid about my house smelling for guests. I've visited too many homes over the years that look clean, but are definitely smelly. I know when you're the one living there, you don't even notice it. Just a recommendation as a fellow cat owner though, I switched to pine pellets a year and a half ago and there is almost NO smell from the litter box, it really absorbs the urine. Added bonus there's no dust like with clay ones (I don't trust the even the ones that claim they are "dust free". I use this brand: https://www.petco.com/shop/en/petcostore/product/feline-pine-cat-litter?srsltid=AfmBOorIHcL_YhTcQId9bj7qgmBmG-vFBd88---gl8sP_gKCQjoiPhx_ A 40 pound bag lasts me around 3.5 months with one cat.
r/homeowners • The Best Air Purifier for Home to Buy now? Do you find the air in your house actually better since you started using it? ->I bought the shark never change as my first purifier just recently and I feel the difference with my allergies. The 5 year filter change really attracted me but after reading here a little more I might need to change it more frequently. I also tried the blue air for my office but didn't like it, I didn't feel any difference and it was noisy, I returned it and got the smaller shark never change .
r/AirPurifiers • Best Value Air Purifier? (Coway, Winix, Blueair, Shark, Sans, etc) ->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? ->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) ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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