
IQAir - GCX MultiGas
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Last updated: Sep 24, 2025 Scoring
I've used Levoit multiple times for a more economical version, but I love my IQAir GC MultiGas XE (I have MCS) if you can afford it.
r/AirQuality • The Best Air Purifier For home Now? ->I ordered the IQAir MultiGas, it’s been running all day, still have a crazy headache and sore throat. Feel like death. How are we going to live like this??
r/LosAngeles • What air purifiers are you using that’s helping during fires? W. no ozone and BPAs? ->Ah crud, bought another MutliGas too. Both have been running all day, one in the living room, one in the bedroom. Headache and sore throat gone at home, but comes on when I’m outside for 10 mins.
r/LosAngeles • What air purifiers are you using that’s helping during fires? W. no ozone and BPAs? ->Have worked through all sorts of filters over the years. Quick answers (just did a longer post to another similar question): A - Dyson, no way B - nothing with an ionizer or anything that tries to sell you on electronic or charged particles. C - the ½ or ¼ inch charcoal filters in most purifiers are worthless. If VOCs are the issue, just open some windows. If you can’t, then check out IQair Multigas, and the Austin Air unit with about 30 pounds of charcoal. D - you have to choose between HEPA (most of those on your list), or medical grade like the IQAir. The later cleans MUCH MUCH more, but they cost 3-4x as much (although their replacement filters last a long time.) Good luck and success!
r/AirQuality • The Best Air Purifier For home Now? ->We have the health pro, the compact, and the multi-gas. Wish we hadn’t the compact (was trying to save some bucks) as the health pro is better. We use the multi-gas near the kitchen. They are all great, but we like the health pro the best. Also, if you are focused on VOCs, then you want the multi gas, or AustinAir makes a great one with about 30 pounds of charcoal if memory serves. Not sure about any of these and Voc’s though. But for particulates, viruses, etc, these units are amazing.
r/AirQuality • What’s the Best Air Purifier to Buy Right Now? 🙏🙏🙏🙏🙏 ->IQAir makes some of the best in the industry - each unit is tested and certified, made in Switzerland. The units are quite large though. I have one per floor and s multigas unit in my garage where my workshop and home gym are
r/homeowners • What are the best air purifiers for home currently? Do you notice any difference when using them? ->… I already did. The Aerus is a VERY expensive photo catalytic oxidizer. It shines a weird light on a special surface and basically chemically bleaches the air. Safe? Yes. Effective? Sure. Cheap? Hahahahahaha no. They’re like $2000 or more. Is it good for VOC reduction? No. Is it a good HEPA filter? Meh. IQ Air has a hyperhepa filter and a carbon adsorption filter. Only about 5lbs of carbon in the HealthPro plus but it has two HEPA filters. A pre filter that’s H11/H12 and a main filter that’s H13+ and quite beefy. The carbon is in the middle. The MultiGas skips the first HEPA but isn’t a bad filter at all except for mediocre CADR.
r/AirPurifiers • Aerus Air Purifier Reviews ->This goes against all advice you may otherwise receive in this sub/youtube videos, but I really find the Dyson BP03/BP04 therapeutic as I recover from mold illness. I had a lot of mold in my home and accompanying lung pain and these dysons are the only thing that give me relief. For context, I also bought the IQ qir healthpro plus and IQ air multigas, and these units were not great at helping my symptoms. I think the main difference is that the dyson actually projects the air and cleans the room whereas many other purifiers might have superior filtering technology but they don't actually get the clean air into the room away from the unit.
r/AirPurifiers • Purifier for mold and fungus ->I use an IqAir GC, Coway Airmega 400s, and Coway Ap1513. I have invested in these over the years and bought them from wholesale or second hand. They are all heavy-duty purifiers, but anything with a hepa filter will do. Make sure if you are on multiple floors... air purifier on each floor. Make sure it's double the sq.ft of the area you want to filter. If it's not enough.. double up.
r/pasadena • Air Quality Concerns in Yellow Zone ->Iq Air GC series 12 pounds of activated charcoal $1350 Amazon.
r/HomeMaintenance • Air purifier or dehumidifier for cannabis smell in basement? ->Huh? He’s asking about air purifiers for smoke, VOCs, toxins of any sort. The air purifier I mentioned is hands the best on the market. The one I specifically mentioned is used in ER and surgical areas. It’s expensive but it’s the best tool on the market to get the job done. Life changing for me.
r/HomeMaintenance • Air purifier or dehumidifier for cannabis smell in basement? ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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