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October Promotion주문 9/27 ~ 10/28

Monthly Rate $9.99부터

6년 신규 렌탈 고객 · 10/31까지 설치 완료 시 적용

코웨이 프라임 정수기 P-6320L Prime Water Purifier 월 $9.99For 6 Months 코웨이 프리미엄 냉온정수기 CHP-5722L Premium Countertop Hot & Cold Water Purifier $19.99/mofor 8 months 코웨이 노블에어 공기청정기 AP-2021A Noble Air Purifiers 월 $29.99For 10 Months

일시불 30% 할인 노블에어 · 비데 · 연수기 해당 모델

Tax 별도 · AutoPay 기준 · 렌탈 혜택은 11월부터 적용

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코웨이 공기청정기 렌탈·구매 | 방 크기별 모델 비교 | CowayCA
Coway Air Purifier

Matched to your spaceCoway Air Purifier

From bedrooms to large living rooms and offices. Compare 7 Coway air purifier models by 2 ACH coverage area, airflow, filter configuration, and maintenance style.

Compare air purifiers → View all products → Chat on Kakao
7 models comparedCurrent CowayCA lineup
551–1,496 ft²2 ACH coverage range
Service in 13 statesCheck installation areas
Choose by Room Size

Which air purifier is right for your space?

Decide on your room size and how you’ll use it first, and choosing a model gets much easier.

침실과 서재에 설치한 코웨이 공기청정기

Bedroom · Study

Compare models suited to rooms where a slim footprint and quiet operation matter most.

AP-1018F · AP-1125G →
거실과 다이닝 공간에 설치한 코웨이 공기청정기

Living Room · Dining

For medium and larger living spaces, check the coverage area, air circulation direction, and sensor features together.

AP-1523D · AP-2021A · AP-2023K →
넓은 거실과 오피스에 설치한 코웨이 공기청정기

Large Living Room · Office

For open-plan or large work spaces, start by comparing models with a larger 2 ACH coverage area.

AP-2425H · AP-3018B →
Current Lineup

Full Coway Air Purifier Lineup

Compare the 7 air purifiers currently listed on CowayCA by 2 ACH coverage area and key features.

Air Purifier Buying Guide

When choosing an air purifier,
check just three things.

Rather than just the size of the unit, it’s important to look at your actual room area, the air changes you need, and the filter configuration and maintenance style together.

01

Check your room’s area

Calculate your room’s square footage (length × width) and compare it with the product’s recommended coverage area.

02

Understand ACH and CADR

ACH is the number of air changes per hour; CADR is the amount of clean air delivered over a set period of time.

03

Compare filters and maintenance

Check the fine-particle and deodorizing filter configuration, washing and replacement intervals, and whether visit service or self-service is offered.

Filter & Official Guidance

Check filters, CADR, and CARB with official sources

Filter configurations and performance ratings differ by model, so it’s best to check the basic criteria for air purifiers against official agency resources.

US EPA · Air Cleaners

Find criteria for choosing a home air purifier, including room size, CADR, and filter selection.

View official EPA resource ↗ HEPA Filter · EPA

See the U.S. EPA’s explanation of the basic definition of a HEPA filter and its particle-capture performance.

View official HEPA explanation ↗ California CARB

Find the list of certified portable indoor air cleaners sold in California.

View CARB certified list ↗
FAQ

Coway Air Purifier FAQ

Which Coway air purifier suits the size of my home?
First check the area of the room you’ll actually use, then compare it with each model’s 2 ACH coverage area. The current CowayCA lineup covers a range of spaces, from 551 ft² for the AP-1018F to 1,496 ft² for the AP-3018B.
What does 2 ACH mean?
ACH stands for Air Changes per Hour and shows how many times per hour the air in a space is circulated and cleaned. 2 ACH is the standard of processing the air volume of the space once about every 30 minutes, in theory.
Is a higher CADR always better?
CADR is an important metric for comparing clean-air output, but it should be considered together with room area, ceiling height, ventilation, noise, and filter configuration. What matters is choosing enough performance for the size of the room you’ll actually use.
Which is better: visit service or self-service?
Availability of visit service or self-service depends on the model. If you prefer regular maintenance service, look at visit service; if you’d rather manage the filters yourself, compare the self-service options.
Are there standards to check when buying an air purifier in California?
In California, CARB certification requirements apply to portable indoor air cleaners. You can search for products yourself in the official CARB certified list above.
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