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Blueair 402 Air Purifiers

Blueair air purifiers are our most popular and quietest air purifiers. Available with HEPASilent™ particle filters. Optional SmokeStop™ filters available with 3 lbs activated carbon. The Blueair 402 air purifier is perfect for a mid-sized bedroom or office. Air purifier ratings, reviews, comparisons and reports by consumer experts are available.
blueair 402 air purifier
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Blueair 402 Air Purifiers
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Special Features
Technical Specifications
Review
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$399.00
- Very Good Plus
Buy Blueair 402 Air Purifiers now for $399.00. Purchase includes...
Filters and accessories

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A Blueair air purifier will help you achieve cleaner, more breathable air in your indoor environment without the noise. Virtually silent on low speeds, the 402 is the perfect air purifier for a mid-sized bedroom up to 365 square feet. Using patented HEPASilent™ and electrostatic technology, it captures 99.97% of the tiniest 0.1 micron particles on level one, including pollen, dust mites, mold spores and pet dander. This same filter technology has earned the larger Blueair 501 and 601 models "Best of Class" ranking in independent testing of Clean Air Delivery Rates. For great all-around air purification, replace the HEPASilent™filter with the SmokeStop ™ filter that has 3 lbs. of impregnated activated carbon for smoke, gas, chemical, and odor removal.

For rooms larger than 365 sq. ft. please see the Blueair 501 and Blueair 601 models.

See the entire family of Blueair air purifiers.

Blueair 402 Air Purifiers — ideal for someone who...

  • Suffers from allergies, asthma, or other respiratory conditions
  • Wants a quiet air purifier for mid-sized bedroom or office
  • Wants an energy efficient air purifier to run 24/7
  • Wants an air purifier with award-winning style and design
  • Needs to remove allergy-provoking particles like pollen grains, dust mites, mold spores and pet dander
  • Wants an air purifier that is easy to use, easy to maintain, and has a long warranty

Features of Blueair 402 Air Purifiers

  • Included Standard Filter: 1 HEPASilent™ particle filter of polypropylene. Good for general indoor air pollution control including pollen grains, house dust mites, mold spores, pet dander and more
  • Optional SmokeStop™ Filter: 1 SmokeStop™ filter of polypropylene with 3 lbs. of activated coconut shell carbon impregnated with an equal blend of Potassium Iodide (KI), Phosphoric acid (H3PO4), and Potassium Hydroxide (KOH)3lb. Good for smoke, gases, odors, chemicals, and general indoor air pollution control including pollen grains, house dust mites, mold spores, and pet dander (sold separately)
  • Award-Winning Swedish Design: Blueair designs air purification systems to meet your home's aesthetic standards without sacrificing performance. Their perfect combination of visual appeal and functionality has won them aesthetic design awards as well as Best of Class ranking in independent testing of Clean Air Delivery Rates (CADR)
  • Easy to use: just plug in the air purifier and it's ready to use - the signature blue light lets you know it is working
  • Low cost to run: very energy efficient using only 20 watts on low to 80 watts on high
  • Durable steel construction: the grills and powder-coated steel exterior are easy to wipe clean, and won't pick up grime and oily stains the way plastics can and they do not off-gas
  • SurroundAir™ technology diffuses clean air gently: through an area six times greater than the average air cleaner helping to reduce noise and annoying streams of air without reducing air flow; operating on its lowest setting, Blueair produces virtually
  • Environmentally safe filter media: Blueair replaces standard triclosan-coated paper or glass filter fibers, which can harm the environment when released into the waste stream, with safer, nontoxic polypropylene. This revolutionary filter media is one of the least harmful plastics, producing only carbon dioxide and water as it decomposes - used filters are 100% recyclable and release no toxins into landfills or the air
  • Filters resist contamination: polypropylene filters are waterproof and naturally resist contamination from bacteria, viruses and mold, without the need for chemical additives or weekly washes
  • Easy to change filters: simply open the side, slide out used filters and drop in replacements every 6 months - no screws, hooks or tools needed
  • Long warranty: Blueair air purifiers are durable and carry a 10-year limited warranty

Blueair air purifier filter
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Easy to change air filters

Technical Specifications of Blueair 402 Air Purifiers

 
Blueair 402 Air Purifiers
Air Purifiers Cleaning Capacity 365 sq. ft. or approx. 20' x 19' area
Ideal for mid size rooms
Housing Putty color; Galvanized Swedish steel
Filters included Standard: 1 HEPASilent particle filter (included)
Optional: 1 SmokeStop filter with 3 lbs. activated carbon for smoke, odor and gas removal (sold separately)
Carbon weight SmokeStop filter has 3 lbs of carbon
Air Purifiers Filter Materials Nontoxic polypropylene filter media to trap particles.
100% free of harmful triclosan, and glass fibers.
Avg. air filter life 6 months
Fan Speeds 4 Speeds
Air Flow Rate for fan speeds (cfm = cubic feet per minute) 1= 75 cfm
2= 95 cfm
3= 150 cfm
4= 240 cfm
Air purifiers noise level (decibels) 1= 32 dba
2= 39 dba
3= 46 dba
4= 58 dba
Clean air density rate (CADR): The amount of clean air measured in cubic ft. per min. that is delivered Smoke = 240, Dust = 250, Pollen = 255
Mobility of Air Purifiers Unit is easy to move, but no wheels; built-in hand grips on both sides of unit
Power Consumption 20-80 Watts
Ozonation No ozone emission
Size of air purifier 23"H x 20"W x 11"D
Weight 34 lbs.

How it Works — Blueair 402 Air Purifiers

The 402 draws air in from one side of the unit, passes it through the filter, and returns clean out of the other side.

Reports by Consumer Experts of Blueair 402 Air Purifiers

- Very Good Plus
Courtesy of AllergyBuyersClub.com
Seldom do we rave about a product, especially about air purifiers, which we regard as an area sometimes subject to misrepresentation and exaggeration. So when we tell you that this air purifier is a winner and among the best of its type we have seen anywhere, you can bet that is a very strong endorsement from us.

Pluses:

  • Unique filtration combines electrostatic and HEPA-like technology for a performance beyond almost every residential HEPA filter with the ability to filter 99.7% of particles down to .1 micron
  • Safe use of electrostatic technology does not produce ozone or off-gas
  • All-purpose air cleaner: the 402 used with the SmokeStop filter has 3 lbs. of impregnated activated carbon to offer removal of smoke, gases, chemicals and odors
  • Safe, effective and environmentally-friendly filter media:100% recyclable polypropylene filter material is water-repellent and naturally retards mold and mildew growth eliminating the need for chemical-bases bacteria or mold inhibitors that are used in most residential glass fiber HEPA filters
  • Less filter restriction polypropylene filter media is less dense than HEPA filter material and allows the Blueair 402 to have improved air flow, use less fan power, and reduce noise levels
  • Virtually Silent: its high air flow is great for quick cleaning and the lower, almost silent speeds provide the ideal operation level for continuous day or night use when you are in the room
  • Blueair's award winning design is not only stylish and offers excellent performance, it also allows for easy filter changes that take less then a minute of your time
  • Energy efficient uses about the same power as a 20-watt light bulb on low, or 80 watt bulb on high
  • Extended Warranty: as long as your replace your filter with Blueair replacement filters every 6 months, your air purifier is covered against manufacturer's defects for a full 10 years

Minuses:

  • The biggest minus we could find is the units lack of a pre-filter: Pre-filters help prevent dust build-up on the fan and inside the unit which are hard areas to clean; a pre filter also helps extend the life of the Particle filter by trapping the large particles that quickly dirty a filter
  • Replacement filters are expensive and require semi-annual replacement which is twice as often as many HEPA filters that usually have a life span of 1 year. However, because these filters are made of polypropylene they can be gently vacuumed to extend their useful life lasting for 1 year or more depending on use. (Please Note: the 6 month lifespan is based on running the air purifier on high speed, 24/7)
  • No filter change indicator leaves it up to you to check the filters to see if they are dirty
  • SmokeStop™ filters have to be purchases separately
  • The 402 does not have casters so it must be carried, not rolled from room to room

Summary:

The Blueair 402 is an ideal air purifier to have in a mid-sized bedroom or office up to 365 sq. ft. Its HEPASilent™ polypropylene filters are not only effective at filtering out the tiny, harmful airborne particles, but also do not restrict the units air flow allowing for more efficient cleaning while running on the preferred low speeds. Not to mention, these filters are nontoxic and 100% recyclable! We would encourage the purchase of the optional SmokeStop™ filter with 3 lbs of activated carbon for smoke, gas, chemical, and odor removal to provide the optimum clean indoor environment. The 402 with the standard HEPASilent™ particle filter does not offer any gas, odor or VOC removal. If you have a room larger than 365 sq. ft., please see the Blueair 501 and 601 models.
Warranty: 10 yr. manufacturer's extended warranty maintained by replacing filter twice a year

Availability: Usually ships out in 1-2 business days



Blueair 402 Air Purifiers BL AP 402 $399.00
These air purifiers are our quietest for medium rooms up to 365 sq. ft. Includes 1 HEPASilent particle filter recommended for airborne allergen and particulate control. The Blueair 402 has built-in handgrips, but no casters.
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Blueair 402 SmokeStop Filter BL AP 402SMOKE $119.95
Optional SmokeStop filter for the Blueair 402 model for smoke, gas, chemical and odor control. We recommend replacing the standard HEPASilent filter with the SmokeStop filter if you need to remove smoke, gas, chemicals, or odors from your indoor environment. The SmokeStop filter includes 3 lbs. of activated coconut shell carbon impregnated with an equal blend of Potassium Iodide (KI), Phosphoric acid (H3PO4), and Potassium Hydroxide (KOH). Replace every 6 months.

Blueair 402 Replacement HEPASilent Particle Air Filter BL AP 402FLT $59.95
One replacement HEPASilent particle air filter for the Blueair 402 model. Replace filter every 6 months.

The Blueair 402 Air Purifiers is only one of our air purifiers. See how the Blueair 402 Air Purifiers compares to other models in our air purifiers comparison. You can view other models around $399.00 with very good plus rating on all air purifiers.