It uses an electrostatic charge to "grab" pollen out of the air
One_Mess525 in r/HomeClimateTech
SourceBlueair Blue Pure 211i Max vs Alen 75i
Reddit head-to-head
12 Reddit comments and posts discuss both products: 4 lean toward Blueair Blue Pure 211i Max, 6 toward Alen 75i, and 2 don't pick a side.
Blueair Blue Pure 211i Max · 4 Neutral · 2 Alen 75i · 6
Why Redditors pick the Blueair Blue Pure 211i Max
Why Redditors pick the Alen 75i
If you want to buy one machine and be done for the next 20 years, Alen is it.
One_Mess525 in r/HomeClimateTech
SourceThey are the only company that offers a Forever Guarantee
One_Mess525 in r/HomeClimateTech
SourceThey are the only company that offers a Forever Guarantee
One_Mess525 in r/HomeClimateTech
SourceFeature comparison
Green marks the row winner: the strongest supported feature sentiment with at least 3 mentions, or the lowest listed price. Everything else stays neutral.
Blueair Blue Pure 211i Max
39 Reddit mentions
$349.99
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Alen 75i
106 Reddit mentions
$749.00
Buy on Amazon
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coverage
noise level
purification performance
airflow
warranty
Blueair Blue Pure 211i Max
No mentions
odor control
Blueair Blue Pure 211i Max
No mentions
allergen control
filter quality
build quality
filter longevity
| Feature | Blueair Blue Pure 211i Max | Alen 75i |
|---|---|---|
| Price | ||
| coverage | | |
| noise level | | |
| purification performance | | |
| airflow | | |
| warranty | No mentions | |
| odor control | No mentions | |
| allergen control | | |
| filter quality | | |
| build quality | | |
| filter longevity | | |
Products
#25
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#27
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Frequently asked questions
Which is better according to Reddit: Blueair Blue Pure 211i Max or Alen 75i?
12 Reddit comments and posts discuss both products: 4 lean toward Blueair Blue Pure 211i Max, 6 toward Alen 75i, and 2 don't pick a side. Overall, Reddit leans toward Alen 75i.
How do Blueair Blue Pure 211i Max and Alen 75i compare in overall Reddit sentiment?
Across all discussions RedDB tracks, Blueair Blue Pure 211i Max has 97% positive sentiment over 39 Reddit mentions, while Alen 75i has 86% positive sentiment over 106 mentions.
More comparisons
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Coway AP-1512HH vs Blueair Blue Pure 211i Max 15 Reddit comments and posts discuss both
Coway ProX vs Alen 75i 14 Reddit comments and posts discuss both
Alen BreatheSmart 45i vs Alen 75i 14 Reddit comments and posts discuss both