
Austin Air - Immunity Machine
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Last updated: Dec 8, 2025 Scoring
Liked most:
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"I recently started leaving it running 24/7 and the difference is remarkable."
"You won’t find a better air purifier. ... They make surgical room purifiers. This is their consumer versions."
"Their purifiers have been used in studies conducted by Johns Hopkins and Cincinnati Pediatrics Hospital (the 2 notable) which is a testimony to their effectiveness. ... they are a top tier, studied in highly regarded medical institutions as proven and effective air purifiers"
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"it’s a tank ... Heavy metal frame"
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"I ended up getting an expensive Austin air purifier appropriate for medical use because all the cheaper brands i looked at intentionally or accidentally produce ozone, which is not healthy to breathe."
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"I got 4 years out of the first filter and 3 from the second because I made the mistake of using it during a house reno."
"I like the chunk filters they use that last a very long time. ... Think like 5 years between replacements."
"Filters last 5 years."
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"I have 3 of these because I have Mast Cell Activation Syndrome & they have helped so much."
"You won’t find a better air purifier. ... They make surgical room purifiers. This is their consumer versions."
"Their purifiers have been used in studies conducted by Johns Hopkins and Cincinnati Pediatrics Hospital (the 2 notable) which is a testimony to their effectiveness. ... they are a top tier, studied in highly regarded medical institutions as proven and effective air purifiers"
Disliked most:
I have a couple of models: Immunity Machine, Healthmate Plus, bedroom machine. There have been some reviews stating that Austins are slower at clearing a room of particulates. My main concern is VOCs and since I run 3-4 filters in each room that isn't a concern for me. Am now testing the immunity machine. Seems to do a much better job with VOCs, although final results will take a while. What is your concern with IQAair?
r/AirPurifiers • What is best air filter/purifier to reduce VOCs / endocrine disrupters? ->According to Consumer Reports (subscription required): Only 2 out of 7 Winix models rated good to fair, the rest poor Only 1 Coway model rated good. Rest poor to unacceptable. 1512 poor. [https://www.consumerreports.org/appliances/air-purifiers/c29550/#sort=3337%2Cdesc](https://www.consumerreports.org/appliances/air-purifiers/c29550/#sort=3337%2Cdesc) Found a major difference using the $$ Austin Immunity Machine which isn't rated.
r/AirQuality • What's the best quality air purifier for home you have used? Have you noticed a major difference so far? ->I use Austin Immunity machine and iQair GC Multigas units as VOCs are a major concern for me. Not rated.
r/AirPurifiers • What Coway purifiers should I get? ->Austin Air is the only company I trust. Their purifiers have been used in studies conducted by Johns Hopkins and Cincinnati Pediatrics Hospital (the 2 notable) which is a testimony to their effectiveness. AustinAir products are amongst the best of the best. With the title of being the best comes with the price tag. These are the most expensive air purifiers I have ever come across; but it is 'American Made' and their filters have a 5 year warranty. But it is absolutely not for one looking for budget friendly or anything related to cost friendly. All that being said-- they are a top tier, studied in highly regarded medical institutions as proven and effective air purifiers, look sleek with their box frame on wheels, 3 simple settings. It's what I use for my parents and grandparents(and myself)- can't put a price tag on good health and I know everyone sleeps better with cleaner air. I've gotten them for multiple family members and some have even bought one for their office at work! If you are looking for elite products, search no more, but as I mentioned a few times it is costly. In my opinion, worth every penny. P.S. they have a model for animal owners who deal with shedding as you mentioned. I want to say all of their models contain the military grade HEPA filters in their 6 layer defense, but perhaps the type of filters differs per model so definitely double check whats inside! If you are interested link is below. [https://austinair.com/](https://austinair.com/) \-- My workplace doesn't allow me to bring my personal purifier and has 'Levoit 300 Core' in nearly every room. I believe they are a 6 month(we are constantly replacing ours, at the 5month mark). life filter and I do believe they work quite well. Never any foul odors on our floor or even the kitchen and eating area. Heres the link for what we use where I work and they are surprisingly budget friendly, but still include a quite powerful filter. Link for that is below: [https://levoit.com/products/core300-air-purifier](https://levoit.com/products/core300-air-purifier) So I do think there are alternatives to the elite Austin Air I went with for my home and family. Good luck in your search!
r/BuyItForLife • What are the Best Air Purifier in 2025? ->Austin Air - it’s a tank and made in USA. No fancy controls . Heavy metal frame big fan. Filters last 5 years. Some of their filters can filter chemicals.
r/BuyItForLife • What are the Best Air Purifier in 2025? ->I ended up getting an expensive Austin air purifier appropriate for medical use because all the cheaper brands i looked at intentionally or accidentally produce ozone, which is not healthy to breathe.
r/ZeroCovidCommunity • Air Purifier Brand questions ->The very best one is a PM1 unit. You will have to have a commercial contractor come out and give you a personalized quotation. And once you find out the price, you will likely back off your price doesn't matter bravado as the unit will cost as much as your car. You are not asking a BIFL question, so quit trying to shoehorn it as such. An air purifier is purchased based on sq ft of use and since we don't know if you want a room or whole house done, zero people here can give you advice worth a damn. Austin Air is the hive mind BIFL unit and is a PM 2.5 AKA HEPA unit. A HEPA unit is a HEPA unit, but Austin's killer warranty and filter period puts it in the top spot.
r/BuyItForLife • The REAL best air purifier - I HATE DUST! ->1. Step zero or purchasing this product is finding/posting the sq ft of the area served. You have not done so, so you are not ready to buy. 2. View 5 air purifier buyer's guides to gain knowledge. https://www.consumerreports.org/appliances/air-purifiers/buying-guide/ is one and google will find you others. 3. Your root cause is likely NOT dust as that is your assumption. You are best served by visiting a doctor and discussing allergies. 4. You do have a price range as a PM1 unit costs more than your car. 5. Silence is not a factor in any unit that conditions the air as you will either accept it or return it. You cannot ask about this metric online ever as that comes from dB and Hz. Makers may list dB using an unknown distance and unknown dB meter which means literally zero and they never list Hz which is a critical annoyance factor that varies to you...my unit may be whisper quiet to me as I was raised in a sawmill and when you buy it based on my recommendation it sounds like an annoying screech. 6. LEDs are not a metric as zero people know how many/what brightness will annoy you and they can all be solved with pieces of electrical tape. Austin Air is a BIFL brand when you factor in sizing, the 5 year warranty and 5 year filter replacement cycle. Which flavor of them is right for you....dunno as you didn't state the sq ft served.
r/BuyItForLife • Good air purifier to use against alergens/dust. ->I personally use Austin Air. I like the chunk filters they use that last a very long time. Think like 5 years between replacements. I also have a 5 inch thick HVAC filter that I run MERV 13 filters on. The pressure drop on a 5 inch filter is minimal as long as you replace them every 6 months to a year.
r/AirQuality • Best Air Purifier to Buy Now? ->I have 3 of these because I have Mast Cell Activation Syndrome & they have helped so much.
r/BuyItForLife • The REAL best air purifier - I HATE DUST! ->IQAir and Austin Air are the go-to “buy it for life” purifiers. They really have long-lasting filters and proven performance on my end
r/BuyItForLife • Looking for a high-quality air purifier that's built to last. ->Austin Air is what I use in my home now. I own a. Filtration business, and I've tried about 9 different types in my own home over the past 3 years - this is far and away my favorite. The second best would be the BlueAir systems.
r/BuyItForLife • The REAL best air purifier - I HATE DUST! ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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