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Honeywell Allergen Plus AQSense HPA125

Ranked #21 of 24 in Best Bedroom & Small-Room Air Purifiers: Quietest Levoit, Coway, Blueair & Winix (2026). Here is every spec we scored, where it came from, and how it compares.

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H

#21

Honeywell Allergen Plus AQSense HPA125

Best for: An Energy Star purifier for rooms up to 110 sq ft

1.3/10

What we like

Carbon stage
Air-quality auto mode

Watch out for

No CADR, noise or power figures

Score breakdown

Quietest setting * 40%

Smoke CADR * 33%

CADR per watt * 13%

Carbon or odor stage included 13%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

Quietest setting	Not listed
Smoke CADR	Not listed
Loudest setting	Not listed
CADR per watt	Not listed
Carbon or odor stage included	Yes
Main filter life	Not listed
AHAM CADR	Not published by the maker
Room size	110 ft² at 4.8 ACH; 530 ft² at 1 ACH
Filter	360° 3-in-1: pre-filter + HEPA + carbon
Certifications	AHAM, Energy Star
Features	AQSense auto mode, sleep mode, filter indicator
Price	Check price

Check price at Amazon

Specs source:

Honeywell: HPA125

How it compares

Open the full comparison table

Coway Airmega Halo

#1 · 17.8 dB in sleep mode, Energy Star

Blueair Blue Pure 411i Max

#2 · 19 dB on low, 46 dB on high

Coway Airmega Mighty2 (AP-1512N)

#3 · The Mighty's successor with a laser PM sensor

Blueair Blue Pure 511i Max

#4 · A 4.2 lb nightstand-size purifier

Blueair Blue Signature Small

#5 · The smallest Signature, 160 CFM

Blueair Blue Pure Mini Max

#6 · A 2.8 lb desk or nursery purifier

Levoit Eleva 300X

#7 · 20 dB sleep mode with separate HEPA and carbon filters

Coway Airmega 150

#8 · A slim 153 CFM purifier, 6.5 in deep

Coway Airmega Mighty2 Mini

#9 · A compact Mighty with 143 CFM

Coway Airmega 100

#10 · A 108 CFM bedroom unit with a 1-year 3-in-1 filter

Coway Airmega AP-1512HH Mighty

#11 · The original Mighty: 233 CFM smoke

Rabbit Air BioGS 2.0

#12 · Rabbit Air's 4-stage bedroom model

Levoit Vital 100S

#13 · A 143 CFM purifier with HEPA-grade sleep mode

Levoit Sprout

#14 · A nursery purifier with ambient sounds and soft lighting

#15 · A 162 CFM Wi-Fi purifier with a 12-month carbon filter

Blueair Mini Restful

#16 · A purifier with a sunrise alarm clock

Levoit Core 300S

#17 · A compact 141 CFM Levoit at 23 W

#18 · A simple 360° purifier with no app

Levoit Core 200S

#19 · A 90 CFM purifier with a night light

Levoit Core Mini

#20 · A 2.2 lb desk purifier with aroma pads

Shark BreatheClear Compact Pro (HP062)

#22 · A small purifier with motion sensing and a 6-year filter

Shark NeverChange Air Purifier (HP152)

#23 · A 5-year-filter purifier for up to 650 sq ft

Molekule PECOAir

#24 · Molekule's PECO-HEPA purifier for bedrooms and offices