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Best HEPA Filter Air Purifiers

GermGuardian AC4825 3-in-1 Air Purifier with True HEPA Filter, UV-C Sanitizer, Captures Allergens, Smoke, Odors, Mold, Dust, Germs, Pets, Smokers, 22-Inch Germ Guardian Air Purifier
Package Quantity: 1. True HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens. Only one single filter needs to be replaced every 6-8 months depending on the use of the product; Replacement filter is filter B - Model FLT4825 (ASIN B0055521W0) .
Reviews
"To the point that over the past month we have both been having major issues with the pollen and smog in the air, even with being home most of the time! With a true HEPA filter that you replace once a year (opposed to once a month) it would save money in the long run. Set up was easy straight out of the box, and I put it out of traffic areas in the house. In fact with it on high I noticed a tag on the other side of the room (directly across) was moving on one of the toys yesterday as I was cleaning. I am super excited at the thought of having better air quality in the house so we dont have as many issues, and I know it will take probably a good month for me to be able to judge that (and trust me I keep up with our flair ups b/c my son sees a specialist so I can tell you if it will make a difference or not). Sorry took me so long to come back and update =) Fortunately if you see below I did give a heads up three weeks in we still loved it. Within the first month I stopped waking up with a stuffy nose, and it was taking particles out of the air so I wasn't seeing as much dust. We have since moved to a larger place, that has more sq footage in the den, and also two open doorways leading to other rooms. I think a big contributor to not catching it is because we had this unit running on high with the uv light."
"The home filter cost me $20, and after cutting it up into 3 pieces each filter for the guardian really only cost me around $7."
"I took it to the garage where the odor was not present and sniffed around the vents, but I still wasn't sure if the GermGuardian was the source of the burning smell. The crazy part is the unit was still functioning - still blowing air and appeared to be working normally."
"I was told that the cable was not a replaceable part, that I needed to ship the entire unit back to them, and that I would have to pay for shipping. The exact wording in the email was, "Per the terms of the warranty as stated in the manual, the customer is responsible for the shipping costs..." The product manual doesn't state this. Guardian wants me to pay a third of my original purchase price in shipping charges in order to exercise the warranty on their faulty product."
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Honeywell True HEPA Allergen Remover, 465 sq. Ft, HPA300
Configuration: Allergen Remover. 3 air cleaning levels plus Turbo Clean setting.
Reviews
"The air is pulled in from the front of the unit where it goes through both filters and then comes out from an air grate on the top of the unit just behind the controls. In searching for this air filter I looked very closely at comparable units priced as high as $600.- I was searching for an air filter that offered great filtration, but was also quiet so I could use it daily in my home theater room. After looking at almost 20 different units and brands in the $200-$600 price range, checking Consumer Reports as well as the Amazon consumer feedback I was won over by this Honeywell unit because of the price, the basic method of filtration, the very cool control panel, the fact that I could place the unit against a wall, the convenient size of the unit, and finally my positive experience over the past 20 years with Honeywell products."
"I have a 20'x20' living room with 9' ceilings connected to a kitchen roughly the same size. I ran it downstairs where I am doing demolition and BOY does it clean the air up fast when I have it on Turbo. Sound wise in correspondence with fan speed: Low ( They call it the "Germ" setting ) - sounds like an average fan on low. Medium ( They call it "General Clean" setting) - sounds like a fan on medium. High (They call it "Allergen" setting) - starting to get a little loud."
"As in no conversation in the room loud. Our running mode is to put them on 'High' (not Turbo) at night and then either off or 'germ'/low during the day. Based on what I see so far I think we'll probably get 2 months for the pre-filters and 9 months for the HEPA filters."
"Seems to capture a lot of dust."
"I can turn it off and back on in 10 or so minutes and the noise is gone, but then it is back. The noise is bothersome and not sure if it will continue to get worse."
"One GREAT feature this has is a dimmer for the lights, I also purchased a smaller version that doesn't have the dimmer and the blue lights light up my daughters bedroom."
"For warranty work, I will have to pay for shipping the 21# air purifier + pay $10 for its return shipping."
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PureZone 3-in-1 True HEPA Air Purifier – 3 Speeds Plus UV-C Air Sanitizer – Eliminates Dust, Pollen, Pet Dander, Smoke, Mold Spores, & Household Odors – with Whisper-Quiet Operation & Auto Off Timer
Thanks to True HEPA filtration–which is proven to eliminate 99.97% of particles as small as 0.3 microns–PureZone provides a perfect solution for making the air more comfortable for people who suffer from allergies, asthma or other breathing issues. Product Specifications. Size: 10.8” L x 6.9” W x 12.1” H. CADR: 80 cfm. Power: AC 120V, 50Hz, 60W. Noise Level: 30dB (Low), 40dB (Medium), 50dB(High). UV Light: Wavelength: 254nm | Lamp life: Approx. PURIFIES THE AIR: True HEPA filter captures 99.97% of dust, pollen, pet dander, smoke, mold spores, and household odors.
Reviews
"I had it in my bedroom for a few days and I have now moved it into my open floor plan living room/dining room. With the seasons changing (summer to fall) my allergies usually flare up. On the highest setting (3) it sounds like a small fan on low. It doesn't apply to any damage you may do to it, but it's nice to know for the next 5 years, if some component fails, the warranty should cover it. I would wake up in the morning with a super sore and dry throat."
"And the easy access control panel contains a simple set of illuminated buttons that are as intuitive as they are elegantly designed. You only have to pull off the front panel (which is simply and appealingly attached with magnets) and unwrap the filter from its plastic bag. Activated Carbon (absorbs formaldehyde (e.g. glues, adhesives, and coatings), benzene (e.g. cigarettes, gas), and other smelly gases). 2. UV-C Light (destroys micro-organisms like germs, viruses, bacteria, and fungi (e.g. toxic mold)). It has a "replace filter" light and will last for ~6 months. Air Purifier Replacement Filter - 3-in-1 True HEPA Filter Compatible with PureZone Air Purifier You should also remove and clean the top layer of the filter ("pre-filter") once a month by vacuuming it off (or if necessary, washing it with soap and water.). and extinguishes the UV-C Light (and the light of the buttons)."
"Set up: Before running the unit for the first time you have to open the unit. so that you can remove the filter from the plastic bag it's in. The unit is very quiet, it's hard to even hear it running on the low and medium setting. There are 3 timer settings, you can chose to run the unit for 2, 4 or 8 hours, then it will shut itself off. There is also a "sleep" mode, that is different from the "timer" mode, where the unit runs on it's most quiet mode and the indicator lights are shut off, so it's dark and quiet when you're sleeping."
"I like the idea how are they rewarding people who left 5 star reviews with their free filters."
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Best Commercial Air Fresheners

Levoit LV-H132 Air Purifier Filtration with True HEPA Filter, Odor Allergies Allergen Eliminator Cleaner for Room, Home, Pets, Smoke, Dust, Smokers, Mold, Night Light
Three stages of filtration (Fine Preliminary, True HEPA, Activated Carbon filters) tackle 99.97% of particles and odors. Ionic air purifier emits negatively charged ions into the atmosphere of a room. Quietly operates throughout the night, and has a gentle night light with two brightness settings. On average, the filter should be replaced every 6 months and is available for purchase (Search for: LV-H132-RF); the air filter may need to be replaced sooner or later depending on the air quality in your area.
Reviews
"My son(toddler) has extreme sensitivity to smells and starts coughing on any change in envt. Update Oct 2017: Works like a charm no issues yet, the moment we have some spicy stuff cooking or want to just do away with food smell(for the sake of my son) we have it on."
"This is an amazing little air purifier."
"The air purifier has made my day so much easier. I know only dust every week instead of every day."
"If you are in a situation where you need a small compact air purifier, I would advise you to take a hard look at this unit."
"I have never owned a air purifier before and decided to get this because we have a sewer smell every so often in our bedroom when it gets really cold."
"This ran for two days before the power failed."
"When I called support, they said to hold down one of the buttons for 3 seconds. I'm dealing with the smoke from the CA fires and now I have overpaid for a broken chirping air purifier."
"Very excited to see my package but when I opened it up there were two big hole on two sides of the box, nervously I opened it up and revealed no damage to the unit, so I thought."
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Best Commercial Odor & Drain Maintainers

Levoit LV-H132 Air Purifier Filtration with True HEPA Filter, Odor Allergies Allergen Eliminator Cleaner for Room, Home, Pets, Smoke, Dust, Smokers, Mold, Night Light
Quietly operates throughout the night, and has a gentle night light with two brightness settings. On average, the filter should be replaced every 6 months and is available for purchase (Search for: LV-H132-RF); the air filter may need to be replaced sooner or later depending on the air quality in your area.
Reviews
"My son(toddler) has extreme sensitivity to smells and starts coughing on any change in envt. Update Oct 2017: Works like a charm no issues yet, the moment we have some spicy stuff cooking or want to just do away with food smell(for the sake of my son) we have it on."
"This is an amazing little air purifier."
"If you are in a situation where you need a small compact air purifier, I would advise you to take a hard look at this unit."
"We haven't had to change the filter yet, just occasionally clean the dust and pet hair stuck around the outside of the air intake."
"I never believed in air purifiers until now."
"This ran for two days before the power failed."
"When I called support, they said to hold down one of the buttons for 3 seconds. I'm dealing with the smoke from the CA fires and now I have overpaid for a broken chirping air purifier."
"Very excited to see my package but when I opened it up there were two big hole on two sides of the box, nervously I opened it up and revealed no damage to the unit, so I thought."
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Best Home ULPA Air Purifiers

VicTsing 300ml Cool Mist Humidifier Ultrasonic Aroma Essential Oil Diffuser for Office Home Bedroom Living Room Study Yoga Spa - Wood Grain
5.You can press “LIGHT” to change the color of LED light. ”Light”: Press the “Light” button to turn on the LED light, the color will change automatically. Press the “Light” button again to change another color, 7 color is available. With compact and portable design, the cap of the aroma diffuser is easy to take off, you won’t bother to unscrew the cap with great force when your hands is wet. This aroma diffuser can hold up to 300ml of water and produce up to 30ml of moisture per hour. Each color is adjustable between bright and dim.The soft light creates romantic atmosphere which helps you escape the hustle and bustle of modern life.
Reviews
"With that said, I wanted a reliable diffuser that I would be able to put my favorite Lemongrass scent throughout my home. Knowing I had plenty of time to return to Amazon, I didn't call it a failure and just reloaded the water and oil mixture. My suggestion, BUY IT and don't jump to conclusions as others have done. I always put it on high and it covers most of our 1300 sq ft ranch home."
"Use as diffuser: I got a set of essential oils for use with this as well, and it works great! My room smells so nice. I recommend this set that I bought: Floral Set of 6 Premium Grade Fragrance Oils - Violet, Jasmine, Rose, Lilac, Freesia, Gardenia - 10ml but don't just get this one right away, there may be better sets on the market right now so do your own research too. Light: The light settings are a nice touch, I personally don't use them a lot, but I occasionally do and it could replace your night light if you use one! The best part is that there's also a light at the top where the vapor comes from, so when the light is on you can see the vapor catching the light, which looks nice. tl;dr: Works well in my large room, works well as diffuser, looks really nice, light settings are great!"
"This diffuser started out great."
"It is easy to fill with water and essence oil and has night light in several colors which I love the blue. I had to toss it and the one I bought for friend for gift I had to advise her to make sure it wasn't sitting directly on furniture and keep on eye on it."
"After 1 week of using the product, the top was cracking and falling apart... Fast forward 6 months later, and I pulled it out of my cabinet and decided to give it a try anyway since it can't be returned. But, after 1 week of using the product, not only is the wood laminate wrapping coming off, but the actual material it is made of is cracking off."
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Best Home Charcoal Air Purifiers

GermGuardian AC4825 3-in-1 Air Purifier with True HEPA Filter, UV-C Sanitizer, Captures Allergens, Smoke, Odors, Mold, Dust, Germs, Pets, Smokers, 22-Inch Germ Guardian Air Purifier
Package Quantity: 1. True HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens. Only one single filter needs to be replaced every 6-8 months depending on the use of the product; Replacement filter is filter B - Model FLT4825 (ASIN B0055521W0) .
Reviews
"To the point that over the past month we have both been having major issues with the pollen and smog in the air, even with being home most of the time! With a true HEPA filter that you replace once a year (opposed to once a month) it would save money in the long run. Set up was easy straight out of the box, and I put it out of traffic areas in the house. In fact with it on high I noticed a tag on the other side of the room (directly across) was moving on one of the toys yesterday as I was cleaning. I am super excited at the thought of having better air quality in the house so we dont have as many issues, and I know it will take probably a good month for me to be able to judge that (and trust me I keep up with our flair ups b/c my son sees a specialist so I can tell you if it will make a difference or not). Sorry took me so long to come back and update =) Fortunately if you see below I did give a heads up three weeks in we still loved it. Within the first month I stopped waking up with a stuffy nose, and it was taking particles out of the air so I wasn't seeing as much dust. We have since moved to a larger place, that has more sq footage in the den, and also two open doorways leading to other rooms. I think a big contributor to not catching it is because we had this unit running on high with the uv light."
"The home filter cost me $20, and after cutting it up into 3 pieces each filter for the guardian really only cost me around $7."
"I took it to the garage where the odor was not present and sniffed around the vents, but I still wasn't sure if the GermGuardian was the source of the burning smell. The crazy part is the unit was still functioning - still blowing air and appeared to be working normally."
"I was told that the cable was not a replaceable part, that I needed to ship the entire unit back to them, and that I would have to pay for shipping. The exact wording in the email was, "Per the terms of the warranty as stated in the manual, the customer is responsible for the shipping costs..." The product manual doesn't state this. Guardian wants me to pay a third of my original purchase price in shipping charges in order to exercise the warranty on their faulty product."
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Best Electrostatic Air Purifiers

Victsing 150ml Mini Ultrasonic Aroma Essential Oil Diffuser, Wood Grain Cool Mist Humidifier for Office Home Room Study Yoga Spa, 14 Color Lights
A Diffuser: Adding several drops of oils into it, it can help remove bad odors,making your space fill with lovely fragrance; A Humidifier: Use it without oils to add more moisture to your dry skin and chapped lips; 14 LED Light & A Night Light: This diffuser has14 colors mood light to choose from. Modes: 1H/3H/Continuous Patterns, Lights Only, Mist Only; 2. Lighting Modes: Cycle through or set it to one fixed color (You willhave 14 colors to choose from). 3. This essential oil diffuser with stylish wood grain finish matches any décor at your office or home perfectly, a lovely unit with fragrance (if you add several drops of oils into it) making your life beautiful and healthy. This aroma diffuser has 15 lighting modes to create relaxing and romantic ambience. This ultrasonic diffuser can offer therapeutic effects if you add some special water-soluble oils.The released negative ions enhance your mood for a happy life.
Reviews
"Loaded this baby up with DoTerra Breathe, Frankincense, OnGuard and Lime essential oils and made my head cold clear up while I slept!!"
"I love the optional light and auto shut off features - No worries about leaving the house with the candle burning."
"VicTsing Direct sent my party a larger version of the product above, a 300ml EO Diffuser. Thank you so much VicTsing Direct, I will definitely order from you in the future."
"But I have left it running while I'm at work, and my house smells amazing."
"I picked it up after emptying it and turned it upside down only to see that the plastic had melted and formed a big soft rubber bubble that you could poke your finer through!"
"the mist emits about 12 inches into the air and it doesn't make the surrounding surface damp."
"I struggled with trying to figure out the size of this diffuser, so here is a photo I took of it in front of an 8x10 frame and a 4x6 photo album."
"It's compact in size and perfect for small spaces or areas that I want to plug in and diffuse an oil."
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Best Home Travel-Size Air Purifiers

GermGuardian AC4825 3-in-1 Air Purifier with True HEPA Filter, UV-C Sanitizer, Captures Allergens, Smoke, Odors, Mold, Dust, Germs, Pets, Smokers, 22-Inch Germ Guardian Air Purifier
Package Quantity: 1. True HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens. Only one single filter needs to be replaced every 6-8 months depending on the use of the product; Replacement filter is filter B - Model FLT4825 (ASIN B0055521W0) .
Reviews
"To the point that over the past month we have both been having major issues with the pollen and smog in the air, even with being home most of the time! With a true HEPA filter that you replace once a year (opposed to once a month) it would save money in the long run. Set up was easy straight out of the box, and I put it out of traffic areas in the house. In fact with it on high I noticed a tag on the other side of the room (directly across) was moving on one of the toys yesterday as I was cleaning. I am super excited at the thought of having better air quality in the house so we dont have as many issues, and I know it will take probably a good month for me to be able to judge that (and trust me I keep up with our flair ups b/c my son sees a specialist so I can tell you if it will make a difference or not). Sorry took me so long to come back and update =) Fortunately if you see below I did give a heads up three weeks in we still loved it. Within the first month I stopped waking up with a stuffy nose, and it was taking particles out of the air so I wasn't seeing as much dust. We have since moved to a larger place, that has more sq footage in the den, and also two open doorways leading to other rooms. I think a big contributor to not catching it is because we had this unit running on high with the uv light."
"The home filter cost me $20, and after cutting it up into 3 pieces each filter for the guardian really only cost me around $7."
"I took it to the garage where the odor was not present and sniffed around the vents, but I still wasn't sure if the GermGuardian was the source of the burning smell. The crazy part is the unit was still functioning - still blowing air and appeared to be working normally."
"I was told that the cable was not a replaceable part, that I needed to ship the entire unit back to them, and that I would have to pay for shipping. The exact wording in the email was, "Per the terms of the warranty as stated in the manual, the customer is responsible for the shipping costs..." The product manual doesn't state this. Guardian wants me to pay a third of my original purchase price in shipping charges in order to exercise the warranty on their faulty product."
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Best Home Air Purifier Parts & Accessories

Filtrete Clean Living Basic Dust AC Furnace Air Filter, MPR 300, 16 x 25 x 1-Inches, 6-Pack
Size: 16x25x1 |. Unit Count: 6 301DC-6 Size: 25" H x 16" W x 1" D Features: -Ideal for high velocity equipment. Size 25" H x 16" W x 1" D - Filter Width - Side to Side: -16". Electrostatically charged fibers attracts and capture large airborne allergens like Pollen, Household Dust, Lint.
Reviews
"Keeps the dust down in the house, clears most the germs from having the windows shut all winter, and is easier on the furnace."
"To my dismay, I noticed that the new filter had several thin spots in it, not unlike the less expensive fiber filters I prefer not to use. Well, not only was the newer one noticeably thinner, there were 3 fewer pleats in the filter."
"Higher rated filters will only reduce the efficiency of your heating and A/C systems and end up costing you more for the filters and in utility costs. A tip I was taught to improve your filter's MPR rating without impacting air flow is to give the filter a quick spray with Pam (or similar) each time you replace the filter. As much as I want to switch brands entirely, I am giving 3M's 600 MPR filters a chance first (Filtrete Clean Living Dust Reduction Filters, 600 MPR, 20 x 25 x 1, 6-Pack). 3M claims they provide better filtration AND are more efficient at allowing air through then the 300 MPR filter, which makes very little sense, but, OK. At first glance they seem a lot like the 300 MPR filters used to be before the quality went downhill. UPDATE 4: It's January 2016 and I've made the switch to the comparable Nordic Pure product (Nordic Pure 16x25x1M8-6 MERV 8 Pleated AC Furnace Air Filter, 16x25x1, Box of 6)."
"Do not buy these, they are not safe."
"The quality of these filters has declined."
"As soon as the fan come on, the filter came loose from the cardboard frame and a three inch gap appeared on one side."
"The current design uses folding that is triangular in cross section (around the outer perimeter of the filter), and relies on the stiffness of the triangle to retain shape. The old design had a square/rectangular cross section (the outer perimeter of the filter), and was much much stiffer."
"I bought these a while ago and have used them alternating with the ones from my furnace man."
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Best Home Air Ionizers

Enerzen Commercial Ozone Generator 4500mg Industrial O3 Air Purifier Deodorizer Sterilizer (4,500mg - Black)
This professional grade ozone purifier DESTROYS odors and leaves a fresh smell. This professional grade ozone purifier DESTROYS odors and leaves a fresh smell. Commercial/Industrial Grade Ozone Generator - Low maintenance (NO filters to clean) and Portable Design (Compact and lightweight design means you can use the ozone generator virtually anywhere -- in your home, office, boat, car, just about anywhere!). THE ENERZEN OZONE GENERATOR IS BIGGER AND BETTER THAN THE OTHERS -- Compare our unit with the other generic box units on the market and you will see that our fan is larger for better ozone distribution, our ozone plates generate more ozone, and our industrial design is sturdier.
Reviews
"Some of the features that make these units a better value than others we previously purchased on Amazon are: PROS: 1) The ozone output is a consistent 14.3ppm @ 80 cfm = 4,157 mg/h average throughout the entire treatment process. Other Amazon units, both different and similar in appearance, couldn’t maintain the steady output needed to properly treat an area and many were weaker than advertised. However, the lack of a fan and heat sinks on these type of units caused the parts to overheat stopping ozone production mid treatment, resulting in us having to retreat the area. Previous Amazon purchases with similar looking units to the Enerzen had a usable time up to several thousand hours less than advertised. Pro tip: only use ozone generators in well sealed areas and never occupy the same space or your lungs will regret it very quickly."
"Instead of using a gallon of febreeze or other items that would mask the scent, I thought I would give this a try. My truck wasn't bad but it did have some residual smell left over from my dog and fast food containers. I simply parked in the driveway, set the timer for 30 minutes, closed the windows and sat the unit on the middle console. At the end of the 30 minutes the unit turned off and I rolled down the windows to let it air out for a few. Now when I see detailing shops offer $120 odor removal I just laugh."
"No way I would suggest an hour of this running unless you are wearing protective equipment. I've used to many other combinations, portable versions and purifiers but THIS one is beats them all hands down."
"The unit destroys odors at the source using Ozone instead of filtering out odors like the usual air purifier, and it is worth repeating that people need to evacuate the room while the unit is operating because Ozone it produces is intense."
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