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Smart Air

Smart Air Blast

Smart Air Blast

A from Smart Air, with True H13 HEPA filtration, rated for rooms up to 1400 sq ft.

Who this is for:Shoppers looking for a purifier suited to large living rooms and open-plan spaces. If odors, pet smells, or smoke gases are a concern, this model includes activated carbon.

Owners like this air purifier because its auto mode and sensors actually work, it moves a lot of air for its size, and it runs quietly enough to fade into the background.

Key specs

New to these numbers? Read What is CADR? and Decibels, translated
Room coverageiThe largest room, in square feet, this purifier can effectively clean — assuming standard 8-foot ceilings and 4–5 air changes per hour.Room size guide →1400 sq ft
Noise rangeiDecibels (dB) measure loudness on a scale where every +10 dB sounds roughly twice as loud. 20 dB is a whisper, 40 dB a quiet library, 60 dB normal conversation. For bedrooms, look for under 30 dB on the lowest setting.Noise guide →29–43 dB
Filter lifeiHow long the manufacturer rates the filter to last under normal use. Running in smoky or dusty homes shortens it.Ownership cost guide →22 months
WarrantyiThe manufacturer's warranty period. Longer coverage signals confidence in the motor and build.2 years

Who the Smart Air Blast is for

Specs only matter in context. Here's where the Smart Air Blast genuinely fits — and the trade-offs worth knowing before you buy. If you're deciding between this model and similar options, focus on the fit cards below: they highlight the specific use cases where this purifier shines and the situations where it falls short.

  • Good fitBedrooms and light sleepersAt 29 dB on its lowest setting, the Smart Air Blast clears the 30 dB bedroom bar — roughly a whisper.
  • Good fitOdors, pets, and smokeAn activated carbon stage traps the gases a particle filter can't — cooking smells, litter-box odor, VOCs, and wildfire smoke gases.
  • Keep in mindCADR is self-reportedThe Smart Air Blast isn't AHAM Verifide, so its CADR and coverage figures come from the manufacturer rather than an independent lab — treat them as a ceiling, not a promise.

What owners say

2 recommendations
Filter by theme

  • 5.0 out of 5 starsr/ZeroCovidCommunity

    “I think I’m going with the SmartAir Blast as you recommended. The CADR is really good and it seems like it is so quiet compared to everything else.”

    Read the thread
  • 4.0 out of 5 starsr/Masks4All

    “If I had it to do over again, I’d buy a SmartAir Blast or Blast Mini.”

    Read the thread

Compare with similar models

These alternatives share key traits with the Smart Air Blast — same brand family or similar room coverage. Compare their scores, owner sentiment, and specs side by side to see which fits your specific needs better.

Common questions about the Smart Air Blast

Quick answers to the questions shoppers most often ask before buying. If your question isn't covered here, check the full specifications below or compare against similar models above.

  • What size room can the Smart Air Blast handle?It's rated for rooms up to 1400 sq ft.
  • Is the Smart Air Blast quiet enough for a bedroom?Yes — 29 dB on the lowest setting is under the 30 dB threshold most sleepers need, roughly a whisper. On high it reaches 43 dB, so size it to run on low or medium overnight.
  • Can the Smart Air Blast handle odors and smoke?Yes — its activated carbon stage traps odor and VOC gases while the True H13 HEPA filter handles the particles, which is the combination smoke and pet households need.

Full specifications

cadr m3hiClean Air Delivery Rate expressed in cubic meters per hour — the metric used outside the US.CADR guide →
950
dimensions
22.6 x 13.0 x 48.4 in
weight lbs
68.9
filter typeiThe particle filter grade. True HEPA captures 99.97% of particles at 0.3 microns; 'HEPA-type' has no standardized efficiency.Filter guide →
True H13 HEPA
model numberiThe manufacturer's exact model identifier — handy when comparing listings across retailers.
Blast MKII
noise db maxiThe loudest fan setting, in decibels. 60 dB is normal conversation; above that you'll hear it across the room.Noise guide →
43
noise db miniThe quietest fan setting, in decibels. 20 dB is a whisper, 40 dB a quiet library — for bedrooms, look for under 30 dB here.Noise guide →
29
warranty yearsiThe manufacturer's warranty period. Longer coverage signals confidence in the motor and build.
2
room coverage sqftiThe largest room, in square feet, this purifier can effectively clean — assuming standard 8-foot ceilings and 4–5 air changes per hour.Room size guide →
1400
has activated carboniActivated carbon traps gases, odors, and VOCs that HEPA filters can't catch — essential for smoke, cooking smells, and pet odor.Filter guide →
True
filter lifespan monthsiHow long the manufacturer rates the filter to last under normal use. Running in smoky or dusty homes shortens it.Ownership cost guide →
22