About this item
Let’s clear the air with Blueair. Blue Pure 311i Max HEPASilent smart air purifier quickly cleans 387 sq. ft medium room in about 12.5 min, up to 929 sq. ft medium space in 30 min, and 1,800 sq.ft in 1 hour on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen. Energy Star Most Efficient 2023.
Most awarded air purifier brand in the US*
Blueair’s #1 selling air purifier line; Blue family’s new Pure Max series with our proprietary HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise.†
Let’s clear the air quieter
Quiet Mark certified (23-50dB); Cleans 387 sq. ft medium rooms in about 12.5 min or up to 929 sq. ft medium space in 30 min, on high.
Let’s clear the air faster
HEPASilent dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone.‡
Let’s clear the air better
Removes at least 99.97% of tiny airborne particles like viruses and smoke down to 0.1 microns, and captures pet dander, pollen, mold allergen and dust; carbon filter traps light household odors from smoking, pets and cooking.§
Let’s clear the air smarter
Smart Air Purifier app enabled and voice control available; Features include Clean Air ETA, Welcome Home and RealTrack filter monitoring tells you more accurately when to replace within 9 months.
*Based on a survey of over 50 awards, accolades, and recommendations issued by independent consumer associations, media publications and industry competitions from 1/1/22-1/31/23, for products sold in the US by top 10 air purifier brands, NPD Group, Small Appliances, U.S. sales dollars 1/1–12/31/22.
†Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued. Noise refers to the dB(A) difference in acoustic power.
‡When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.
§Tested PM 2.5 (0.1 - 2.5 microns) up to 90min in a 30m3 room. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.
What's Included
Blue Pure 311i Max air purifier
Pre-filter in Seabed
Blue Pure Max 311i Max Filter
User manual
Energy Ratings
Key Specs
Recommended Room Size388 square feetApp CompatibleYesWireless ConnectivityBluetooth, Wi-FiAir Quality Indicator Light(s)YesFilter TypeHEPA, Electrostatic, Activated carbonClean Air Delivery Rate (CADR)250 cubic feet per minute
General
Product NameBlue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air PurifierBrandBlueairModel Number110829ColorWhite/Seabed
Dimensions
Recommended Room Size388 square feetProduct Height19 inchesProduct Width12.5 inchesProduct Depth12.5 inchesProduct Weight7.87 pounds
Compatibility
App CompatibleYesWireless ConnectivityBluetooth, Wi-FiVoice Assistant Built-inGoogle Assistant, Amazon Alexa
Features
Air Quality Indicator Light(s)YesNumber Of Fan Speeds4Programmable TimerYesRemote ControlNo
Filter Info
Filter TypeHEPA, Electrostatic, Activated carbonFilter IncludedYesFilter Model Number110037Filter Indicator Light(s)YesFilter Longevity9 months
Certifications & Listings
ENERGY STAR CertifiedYesClean Air Delivery Rate (CADR)250 cubic feet per minuteAHAM CertifiedYes
Warranty
Manufacturer's Warranty - Parts3-Year extended limited warrantyManufacturer's Warranty - Labor3-Year extended limited warranty
Other
UPC689122025308
Search
Q: Questionwhat is the difference between the 311i Max and the 311i + Max?(1 answer)
A: AnswerThe Blue Pure 311i+ Max air purifier cleans up to 1,116sqft large space in 30min on high and has a Clean Air Delivery Rate (CADR) of 300 for fine smoke particles, dust and pollen. The Blue Pure 311i Max air purifier cleans up to 929sqft space in 30min on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen.Answered by Anonymous
- A: AnswerThank you for your interest in Blueair! Our air purifiers feature unique HEPASilent™ technology, which combines traditional mechanical filtration with electrostatic charging to clean the air faster, produce more clean air, and do so much more quietly than conventional HEPA purifiers. This innovative technology, ensures maximum filtration with minimal noise, delivering clean, filtered air to your room as quickly as possible.
Answered by Blueair Support Team
Q: Questionhow much are the replacement filters(2 answers)
A: AnswerI sent a reply on this yesterday, Saturday, 01/18/2025. The filter price for the 311i Max is $ 44.99, and the cloth pre-filter that covers the outside is $ 10.99. I'm sure my reply got posted. Also, the sales people at BB should be able to answer this question.Answered by LannyM
Q: QuestionDo you use fiberglass/borosilicate filters or polypropylene filters?(1 answer)
A: AnswerPolypropyleneAnswered by Anonymous
- A: AnswerThank you for your interest in Blueair! Our Blue Max units are designed to improve air quality by filtering out pollutants such as dust, pollen, and smoke. They do not specifically target or remove carbon dioxide (CO2) from the air.
Answered by Blueair Support Team
Q: QuestionHow good is this unit for removing dust and rate of air circulation(3 answers)
A: AnswerThis air purifier is excellent. It is quiet and it has several settings including night time. So happy I chose this one.Answered by JudyWIphoneXR
Q: QuestionWhat is the difference between the Blue air 311i max and the 311?(1 answer)
A: AnswerYou tell us B Blue AirAnswered by Anonymous
Review Summary
Rating 4.8 out of 5 stars with 117 reviews
4.8Rating by feature
- 4.7Value
Rating 4.7 out of 5 stars
- 4.8Quality
Rating 4.8 out of 5 stars
- 4.9Ease of Use
Rating 4.9 out of 5 stars
Customers are saying
Customers are satisfied with the Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier for its quiet operation, ability to alleviate allergies, and overall improvement in air quality. Users appreciate the modern design, intuitive app, and auto mode that adjusts the fan speed based on air quality. The washable filter and smart features are also well-received.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Blueair - Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier - White/Seabed
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