October 2021
Air Purifiers: Aggregated Ranking Report
This report contains an aggregate consensus of Air Purifier rankings posted by key online experts, as of October 2021.
At a glance - October 2021 Ranking
| Rank | Change | Price | Air Purifier |
WIRED
|
The Spruce Pets
|
NBC News
|
This Old House
|
CNET
|
Popular Mechanics
|
Wirecutter
|
Business Insider
|
Tom's Guide
|
Audacy
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1
|
- | $170 |
Coway AP-1512HH
|
-
|
-
|
-
|
-
|
3
|
1
|
1
|
-
|
1
|
-
|
|
2
|
- | $120 |
Blue Pure 411
|
4
|
-
|
-
|
-
|
4
|
7
|
-
|
-
|
3
|
4
|
|
3
|
- | $87 |
GermGuardian AC4825
|
-
|
-
|
8
|
2
|
-
|
3
|
-
|
-
|
-
|
6
|
|
4
|
- | $500 |
Coway Airmega 400
|
2
|
7
|
-
|
-
|
5
|
-
|
-
|
-
|
4
|
-
|
|
5
|
- | Check price |
Honeywell Insight HPA5300B
|
3
|
1
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
3
|
|
6
|
- | $298 |
Blueair Pure 211+
|
-
|
-
|
-
|
-
|
1
|
-
|
7
|
-
|
2
|
-
|
|
7
|
- | $500 |
Honeywell HPA300
|
-
|
-
|
9
|
-
|
2
|
-
|
-
|
-
|
6
|
-
|
|
8
|
- | $270 |
Coway Airmega 200M
|
1
|
-
|
-
|
-
|
-
|
-
|
2
|
-
|
-
|
-
|
|
9
|
- | $76 |
Levoit LV-H132
|
-
|
6
|
7
|
-
|
-
|
-
|
-
|
-
|
7
|
-
|
|
10
|
- | Check price |
Dyson Purifier Cool TP07
|
-
|
-
|
2
|
-
|
-
|
-
|
-
|
-
|
-
|
2
|
|
11
|
- | $899 |
IQAir HealthPro Plus
|
-
|
-
|
-
|
3
|
-
|
-
|
-
|
-
|
9
|
-
|
|
12
|
- | $320 |
Alen BreatheSmart Classic
|
-
|
3
|
-
|
4
|
-
|
-
|
-
|
-
|
-
|
-
|
|
13
|
+7 | $140 |
Blueair Pure 411 Auto
|
5
|
-
|
12
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
14
|
+2 | Check price |
Dyson Pure Humidify + Cool
|
6
|
-
|
-
|
-
|
-
|
6
|
-
|
-
|
-
|
-
|
|
15
|
+3 | Check price |
Honeywell HPA250B
|
8
|
-
|
-
|
-
|
-
|
10
|
-
|
-
|
-
|
-
|
|
16
|
-3 | $220 |
Winix AM90
|
-
|
-
|
-
|
-
|
-
|
9
|
4
|
-
|
-
|
-
|
|
17
|
-3 | $180 |
Levoit Core 400S
|
-
|
-
|
-
|
-
|
-
|
-
|
6
|
-
|
11
|
-
|
|
18
|
-3 | $715 |
Austin Air HealthMate
|
-
|
-
|
10
|
-
|
-
|
-
|
-
|
-
|
5
|
-
|
|
19
|
-2 | $799 |
Molekule Air
|
-
|
-
|
11
|
-
|
-
|
8
|
-
|
-
|
-
|
-
|
We ranked Coway AP-1512HH #1 in October 2021 because:
- 4 independent experts mentioned it in their “best Air Purifiers” rankings.
- Out of those, 3 experts ranked Coway AP-1512HH as #1.
Tom's Guide
The best air purifier overall
|
Pros
Consistently exceptional performance in real-world tests
Quiet
Low-profile design
|
Cons
Questionable customer support
|
We ranked Blue Pure 411 #2 in October 2021 because:
- 5 independent experts mentioned it in their “best Air Purifiers” rankings.
Tom's Guide
The best air purifier for small spaces
|
Pros
Energy efficient
Affordable
|
Cons
Small design with limited reach
|
Methodology: combine opinions of key experts
Identify Experts
We identify key publishers and experts that consistently review and recommend Air Purifiers.
Capture Rankings
For each publisher we find a currently recommended "top 10" list of Air Purifiers, it must be updated in the last 9 months.
Aggregate Rankings
We put all those lists together and aggregate them. The more frequently a product is recommended, the higher it is in our ranking
Experts chosen for October 2021 ranking
WIRED
The Spruce Pets
NBC News
This Old House
CNET
Popular Mechanics
Wirecutter
Business Insider
Tom's Guide
Audacy
We ranked GermGuardian AC4825 #3 in October 2021 because:
- 4 independent experts mentioned it in their “best Air Purifiers” rankings.
This Old House
Best Value
|
Pros
This affordable unit requires minimal maintenance, clears air, and reduces odors. It’s a great pick for pet owners, as it’s designed to remove pet dander, odors, and hair.
Reduces pollutants in rooms up to 390 square feet
Charcoal filter removes odors
Optional UV-C light with Titanium Dioxide to reduce airborne bacteria, viruses, and germs
|
Cons
Deodorizing filters need to be replaced weekly
Can be a bit loud on its highest setting
|
We ranked Coway Airmega 400 #4 in October 2021 because:
- 4 independent experts mentioned it in their “best Air Purifiers” rankings.
The Spruce Pets
Best for Large Rooms
|
Pros
Suitable for spaces larger than 1,000 square feet
Dual air intake design for faster filtration
Sleep mode automatically reduces fan speed when lights dim
|
Cons
Doesn't offer app control
Replacement filters are pricey
|
Tom's Guide
The best air purifiers for large spaces
|
Pros
High-performing dual filters
Aesthetically pleasing
|
Cons
Expensive
|
We ranked Honeywell Insight HPA5300B #5 in October 2021 because:
- 3 independent experts mentioned it in their “best Air Purifiers” rankings.
- Out of those, 1 expert ranked Honeywell Insight HPA5300B as #1.
The Spruce Pets
Best Overall
|
Pros
Pet-specific filters available
See air quality info at a glance
|
Cons
Only available in black
|
We ranked Blueair Pure 211+ #6 in October 2021 because:
- 3 independent experts mentioned it in their “best Air Purifiers” rankings.
- Out of those, 1 expert ranked Blueair Pure 211+ as #1.
Tom's Guide
The most attractive best air purifier
|
Pros
Exceptional performance on highest speed
Fun color options
|
Cons
Loud on low speed
More expensive upfront and over time than competing models
|
We ranked Honeywell HPA300 #7 in October 2021 because:
- 3 independent experts mentioned it in their “best Air Purifiers” rankings.
Tom's Guide
A good value pick among air purifiers
|
Pros
Portable and easy to use
Quiet on low speeds; relatively quiet on high setting
|
Cons
More expensive than some similar units
Significant maintenance requirements
|
We ranked Coway Airmega 200M #8 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
- Out of those, 1 expert ranked Coway Airmega 200M as #1.
We ranked Levoit LV-H132 #9 in October 2021 because:
- 3 independent experts mentioned it in their “best Air Purifiers” rankings.
The Spruce Pets
Best for Small Rooms
|
Pros
Compact size
Offers true HEPA filtration
|
Cons
No timer or eco-mode function
Lacks air quality monitoring
|
Tom's Guide
The best air purifier for very tight budgets
|
Pros
Decent performance for the price
Small and portable
|
Cons
Loud
Minimal features
|
We ranked Dyson Purifier Cool TP07 #10 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
We ranked IQAir HealthPro Plus #11 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
This Old House
Premium Pick
|
Pros
Hospital- and FDA-approved
Quiet relative to other products reviewed
Device can be easily moved from room to room
Timer that conserves energy and prolongs filter life
|
Cons
New units may give off a chemical smell at first
Machine and filters are expensive
|
Tom's Guide
The best air purifier for allergy sufferers
|
Pros
Individually tested units
Top-notch warranty
Medical-grade filters
|
Cons
Expensive to buy and maintain
Loud on higher speeds
|
We ranked Alen BreatheSmart Classic #12 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
The Spruce Pets
Best Splurge
|
Pros
Features a color-coded air quality sensor light
Available in various finishes and colors
Filters up to 1,100 sq. ft. in 30 minutes
|
Cons
Large machine
Produces more noise than expected at higher speeds
|
This Old House
|
Pros
SmartSensor technology automatically adjusts airflow to remove impurities and reduce odors
Covers large rooms, cleaning 1,100 sq. feet every 30 minutes
WhisperMax technology produces a pink noise to promote better sleep
|
Cons
Requires replacement filters
New units may give off a plastic smell
|
We ranked Blueair Pure 411 Auto #13 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
We ranked Dyson Pure Humidify + Cool #14 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
We ranked Honeywell HPA250B #15 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
We ranked Winix AM90 #16 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
We ranked Levoit Core 400S #17 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
Tom's Guide
A sleek, smart air purifier with few downsides
|
Pros
Sleek and futuristic
Rich feature set
Easy to set up and transport
|
Cons
Highest fan speed can get loud
|
We ranked Austin Air HealthMate #18 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
Tom's Guide
The longest-lasting filters
|
Pros
Long filter life span
Effective for odor and chemical sensitivities
|
Cons
Expensive
Loud
|
We ranked Molekule Air #19 in October 2021 because:
- 2 independent experts mentioned it in their “best Air Purifiers” rankings.
