Best 2021 Air Purifiers for filter replacement cost

#1 Levoit Core 300S
4.2

Filter replacement cost was generally manageable but still a recurring caveat; reviewers praised low running costs while warning buyers to budget for filters.

Pros: ozone-free operation, safety certifications

Cons: VOC sensor accuracy, handle design

#2 Honeywell HPA830W
4.1

Filter cost evidence is mixed but mostly favorable, with several reviews calling filters affordable or cheap and one expert wanting lower annual costs.

Pros: dust removal, pollen removal

Cons: app connectivity, remote control

#3 Dyson Purifier Cool Gen1 TP10
3.9

3 reviews provide opinionated evidence for filter replacement cost.

Pros: overall satisfaction, real-time air quality monitoring

Cons: VOC sensor accuracy, customer support

#4 Levoit Mini-P
3.7

Filter costs were mixed: some reviewers found maintenance affordable, while others said recurring filters reduce long-term value.

Pros: energy efficiency, power consumption

Cons: scheduling options, true HEPA filter

#5 Levoit 400S
3.7

Filter cost drew mixed-to-positive evidence: some called OEM or replacement filters fair and competitive, while others considered them pricey or expensive.

Pros: ozone-free operation, build quality

Cons: VOC sensor accuracy, washable pre-filter

#6 AROEVE MK01
3.4

Replacement filter cost is polarizing. Some testers and customers call the filters cheap or reasonably priced, while others think the cost is high relative to the low-priced unit.

Pros: customer support, allergen reduction

Cons: app connectivity, smart features

#7 Dyson Purifier Hot+Cool Formaldehyde, HP09
3.3

Filter cost drew mixed reactions: some saw it as acceptable or cost-effective, while others called replacements expensive.

Pros: dust removal, PM2.5 detection

Cons: mold spore reduction, durability

#8 MOOKA B-D02L
3.3

Replacement filter cost divides reviewers, with some calling filters reasonable and others saying they are pricey for this class.

Pros: ozone-free operation, breathing relief

Cons: CADR rating, remote control

#9 Dyson Purifier Cool Formaldehyde TP09
3.3

Filter replacement cost is a common caveat, usually described as pricey, though one related review considered longer filter life cost-effective.

Pros: allergen reduction, smoke removal

Cons: customer support, reliability

#10 PuroAir 240
2.8

Filter cost divides reviewers. Some find replacements reasonable or discounted, while others call them expensive or feel the purifier pushes filter purchases.

Pros: particle removal effectiveness, dust removal

Cons: CADR rating, air changes per hour

#11 Honeywell HPA5300
2.7

Customer evidence for filter replacement cost was mixed across 15 review(s), based only on cited transcript evidence.

Pros: particle removal effectiveness, pollen removal

Cons: child lock, listing accuracy

#12 Coway Airmega 250S
2.6

Filter replacement cost was mixed to negative, with HouseFresh and the video review criticizing high running costs despite one review liking the $79 filter price.

Pros: pre-filter quality, room coverage

Cons: fan speed options, filter replacement cost

#13 GermGuardian AC4825
2.6

Filter replacement cost varies by reviewer, from fairly cheap compared with some rivals to expensive when annual maintenance is considered.

Pros: filter availability, ozone-free operation

Cons: washable pre-filter, VOC reduction

#14 Dyson Purifier Cool TP07
2.5

Evidence for filter replacement cost appears in the listed reviews; scores reflect whether each source praised, criticized, or qualified that trait.

Cons: customer support, reliability

#16 Coway Airmega 250
2.2

Replacement cost was a repeated drawback, with reviewers calling official filters pricey or a significant recurring cost.

Pros: smoke removal, CADR rating

Cons: filter replacement cost, app connectivity

#17 AirDoctor 5000
2.0

Replacement-filter cost is the biggest recurring complaint. One expert calculated a higher annual cost for official filters, and an owner called the replacement filters outrageous.

Pros: ozone-free operation, particle removal effectiveness

Cons: filter replacement cost, app connectivity

#18 Alen BreatheSmart 75i
1.8

Filter replacement cost/subscription requirements are one of the recurring negatives.

Pros: particle removal effectiveness, HEPA filtration

Cons: real-time air quality monitoring, filter replacement cost