Question 1

Does the area (1256 sqft) need to be one open area or can be split into multiple rooms with doors open ?

Accepted Answer

Well first off no real air purifier expert would tell you to use the 1256 sq.ft. You want a minimum of 5 air changes per hour (ACH) and 1256 only provides about 2. If you are truly looking for the benefits of air purification then you should be looking at 500-700 sq.ft and no more. With that said, you lose efficiency if it has to go to multiple rooms and thus less ACH. Unless you have an industrial Air purifier built into your HVAC system at your house you should think about limiting one air purifier per room (with the appropriate amount of power to handle it).

Question 2

I'm getting a shipping error for California. Why is there a restriction to ship to California? It doesn't go over the dimension or weight max.

Accepted Answer

California bans electrostatic air filters because they produce unsafe amounts of ozone. Ozone damages your lungs. This also might be an Amazon problem, where they take reviews for similar products and stick them all together. I'm not sure the  Airmega 400 has an electrostatic system in it. I don't see the no shipping alert on its Amazon listing (I live in California) but I see it on Healthmate HM-400 listing.  The Wirecutter did a whole article and missed the electrostatic filter, so thanks CA. Electrostatic filters are very effective at removing particles but they produce ozone. If you're tired of smelling chicken poop, moving from a chicken ranch to an oil refinery would work, but.....

Question 3

Does this work well to remove pet odors? It is so hard to hard to find any straight forward answers about odor removal on any of these higher end unit

Accepted Answer

I love it.  I have a very sensitive nose and breathing. Works great for pet odors!  I need one for the other side of the house.  Worth the investment.  I've tried some of the other $200-$300 purifiers

Question 4

Will this work for oil painters - i need it to help with the removal of vocs such as turpentine and mineral spirits?

Accepted Answer

NOT good at all. I wish I could say otherwise since I own this product. I have 3 different instruments that measure VOCs. DO NOT depend on this product for VOC removal. I bought the Conway and the VOC testing instruments because I am a victim of VOC poisoning in my living space.  After zeroing the testing instruments and getting baseline VOC measurements, the Conway did nothing to reduce them - even at the highest fan setting after 24 hours. I still love the Conway though as it does a SPECTACULAR job at reducing a full range of microparticulate matter.

ASIN	B0BZTQ16B5
Best Sellers Rank	#144,582 in Kitchen ( See Top 100 in Kitchen ) #318 in HEPA Air Purifiers
Brand Name	Coway
Color	White
Contaminant Filtration Capability	Odors, Pollen, Powder, Smoking, Volatile Organic Compounds
Control Method	Remote
Controller Type	Smartphone App
Customer Reviews	4.4 4.4 out of 5 stars (141)
Edition	PuroAir 240
Filter Class	HEPA Activated Carbon
Filter Type	HEPA
Floor Area	4253 Square Feet
Included Components	AIR_PURIFIER
Item Dimensions D x W x H	22D x 22W x 36H centimeters
Item Type Name	AIR_PURIFIER
Item Weight	22.68 kg
Manufacturer	Coway
Model Number	AP-3522F
Noise Level	23 Decibels
Number of Packs	1
Part Number	AP-3522F
Particle Retention Size	0.01 Micron
Power Source	Corded Electric
Special Features	Air Quality Indicator, Auto Mode, Dual Purification, Eco Mode, Filter Replacement Indicator
Specification Met	CARB Certified, ETL Certified, Energy Star Certified
UPC	826439000707
Unit Count	1 Count
Warranty Description	2 year
Wattage	65 watts

BLUEAIR Air Purifier for Rooms up to 86 m² | Blue Pure 3350i Max (311i Max) - Smart, Quiet, HEPASilent Technology, Removes Allergens, Pet Dander, Dust, Smoke & Mold

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