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공기청정기 리뷰

office coway air purifier

Best Coway Air Purifier Reviews 2026

코웨이 공기청정기는 가정용 공기청정기 시장에서 상당한 인기를 얻고 있습니다. 따라서 베스트셀러 제품 몇 가지를 확인하고 비교하는 것이 좋습니다 ...
2025-05-08
Air purifier, Air Purifier Reviews, News
levoit air purifier (3)

Best Levoit Air Purifier Reviews 2026

이번 레보아 공기청정기 리뷰에서는 최고의 레보아 공기청정기의 성능을 분석하고 평가했습니다 계속 읽고이 공기를보십시오 ...
2025-05-07
Air purifier, Air Purifier Reviews, News
벽걸이형 공기청정기 HA380 (2)

The Best Proton Air Purifier Reviews in 2026

프로톤은 Nu Lifestyle Marketing, LLC의 브랜드입니다. 후자는 원래 공기 청정기 제조업체가 아니며 다양한 제품을 제공하는 회사입니다.
2025-05-04
공기청정기 리뷰, 뉴스
홈즈 로고

Best Holmes Air Purifier Reviews 2026

홈즈는 미국의 가정용 공기청정기 제조업체입니다. 여기에서는 베스트셀러 공기청정기를 나열하고 검토했습니다. 어떤 것이 적합한지 확인하고 비교하세요 ...
2025-05-03
공기청정기 리뷰, 뉴스
위닉스 공기청정기 (2)

17 Best Winix HEPA Air Purifier Reviews in 2026

공기청정기에 관해서는 Winix는 여러분이 확인해야 할 신뢰할 수 있는 브랜드 중 하나입니다. 우리는 몇 가지 Winix HEPA 공기 청정기를 나열했습니다 ...
2025-05-02
공기청정기 리뷰, 뉴스
하니웰 로고

5 Best Honeywell True HEPA Air Purifier Reviews in 2026

평판이 좋은 브랜드를 선택하는 것은 집에 적합한 공기청정기를 찾는 데 필수적입니다. 이 블로그에서는 몇 가지를 나열하고 비교해 보겠습니다.
2025-05-01
공기청정기 리뷰, 뉴스
벽걸이형 공기청정기 HA200 & HA380

5 Best Air Purifiers for Smoke in 2026

실내 공기를 개선하고 더 건강한 생활을 위한 이상적인 솔루션인 연기 입자와 냄새에 대한 최고의 공기 청정기를 소개합니다. 모든 형태의 ...
2025-04-28
공기청정기 리뷰, 뉴스
Xiaomi 로고

샤오미 공기청정기 리뷰(평가 및 테스트)

We have listed all the top Xiaomi air purifiers--including their respective specifications and features--for a more accurate comparison to help you meet your ideal air ...
2022-10-22
Air purifier, Air Purifier Reviews
필립스 공기청정기 리뷰

필립스 공기청정기 리뷰

인기 판매중인 필립스 공기 청정기 모델을 확인하여 사양, 기능 및 성능을 비교하고 이상적인 필립스 공기 청정기를 찾을 수 있습니다 ...
2022-09-01
공기청정기 리뷰, 뉴스
Alen

최고의 알렌 브리즈스마트 공기청정기 HEPA 리뷰 5가지

오늘날 시장에는 많은 공기청정기 제조업체가 존재합니다. 여기에서는 인체 공학적으로 설계된 공기 청정기 제조업체인 Alen을 소개합니다.
2022-08-16
공기청정기 리뷰, 뉴스
정말 효과가 좋은 최고의 먼지용 공기청정기 4가지

정말 효과가 좋은 최고의 먼지용 공기청정기 4가지

공기 여과를 통해 깨끗한 공기를 마시려면 공기청정기를 구입하는 것이 중요합니다. 이러한 장치는 먼지 및 기타 오염 물질을 제거하여 공기를 정화하며, ...
2022-07-27
공기청정기 리뷰, 뉴스
최악의 생활 악취를 없애는 4가지 최고의 VOC 공기청정기

최고의 VOC 공기청정기 4가지: 최악의 생활 악취 제거하기

최고의 VOC 공기청정기를 사용하면 더 쉽게 숨을 쉬고, 더 잘 자고, 더 건강한 환경에서 휴식을 취할 수 있습니다. 최고의 VOC 공기청정기는 ...
2022-07-27
공기청정기 리뷰, 뉴스
Contaminant Engineering•3 min read

PFAS Water Filtration Technologies Explained: Carbon, Resin & RO

Key Takeaway:

PFAS reduction depends on the specific compounds present, treatment media, contact time, water chemistry, and system design. Activated carbon, ion exchange, and Reverse Osmosis address PFAS through different mechanisms.

PFAS are a large family of persistent fluorinated compounds that can occur in drinking-water supplies. Their treatment behavior varies significantly by molecular structure, chain length, functional group, concentration, and the chemistry of the source water.

Granular Activated Carbon (GAC) removes PFAS primarily through adsorption. It is generally more effective for many longer-chain PFAS, while shorter-chain compounds tend to break through more quickly. Carbon performance depends on media properties, Empty Bed Contact Time (EBCT), competing organic matter, loading, and replacement frequency.

Ion-exchange resins use charged functional sites to capture many PFAS compounds. Properly selected anion-exchange media can provide high capacity and may perform better than conventional activated carbon for some shorter-chain PFAS, although performance still depends on water chemistry and competing ions.

Reverse Osmosis (RO) uses membrane separation rather than adsorption. Properly designed RO systems can provide broad reduction across many PFAS compounds as well as dissolved salts and other contaminants. Unlike carbon or resin, however, RO also produces a concentrate stream that must be managed.

No single technology should be selected from a PFAS label alone. System design should consider which PFAS compounds are present, their concentrations, required reduction targets, flow rate, media life, and the applicable third-party certification or validation requirements.

HisoAir Water Technical Series
Product Discovery•3 min read

How to Choose an Under-Sink Water Purifier for Modern Kitchens

Key Takeaway:

Match the treatment technology to your water quality first, then evaluate cabinet space, faucet configuration, flow rate, drain and power requirements, and filter replacement needs.

Choosing an under-sink water purifier starts with water chemistry. Carbon filtration is well suited to chlorine, taste, odor, and many organic contaminants, while Reverse Osmosis is more appropriate when dissolved salts, fluoride, nitrates, or broader dissolved contaminants need to be reduced.

For compact kitchens, tankless RO systems eliminate the conventional storage tank and can significantly reduce the space required under the sink. However, membrane capacity stated in GPD does not directly equal faucet flow. When comparing systems, check the actual dispensing flow rate, inlet-pressure requirement, recovery ratio, and whether a booster pump is required.

Installation architecture also matters. Many RO systems require a drain connection, electrical power, and either a dedicated drinking-water faucet or a compatible multi-function faucet. High-flow carbon systems can often connect directly to the existing cold-water line with a simpler installation, but pressure drop and available faucet flow should still be verified.

RO also removes much of the naturally occurring dissolved mineral content. Where taste or mineral balance is a priority, a post-RO remineralization stage can be added. Filter life should be evaluated by both rated capacity and local water quality rather than replacement time alone.

The right system is therefore not simply the smallest or highest-GPD model. It is the configuration that matches the target contaminants, available cabinet space, desired faucet setup, peak dispensing demand, and maintenance expectations.

HisoAir Water Technical Series
Water Quality•2 min read

What Does TDS Mean in Drinking Water? Measurement vs Contaminant Reality

Key Takeaway:

A TDS meter estimates the overall concentration of dissolved ionic substances from electrical conductivity. It cannot identify specific contaminants or determine whether water is chemically safe.

Total Dissolved Solids (TDS) refers to the combined concentration of dissolved substances in water. Most handheld TDS meters do not measure TDS directly. Instead, they measure electrical conductivity (EC) and convert that reading into an estimated parts-per-million (ppm) value.

This means a TDS reading can indicate how much dissolved ionic material is present, but not what that material actually is. Calcium, magnesium, sodium, nitrates, and other dissolved ions can all contribute to conductivity, yet a simple TDS meter cannot distinguish between them.

TDS meters are also not suitable for detecting trace contaminants such as PFAS, many VOCs, pesticides, pharmaceuticals, or disinfection byproducts. These substances may be present at concentrations far below the level needed to noticeably change electrical conductivity.

A low TDS reading therefore does not guarantee safe drinking water, and a higher TDS reading does not automatically indicate contamination. Water-treatment decisions should be based on laboratory testing for specific contaminants of concern rather than TDS alone.

HisoAir Water Technical Series
Technology Selection•2 min read

RO vs UF Water Filtration: Understanding Pore Sizes & Dissolved Minerals

Key Takeaway:

Ultrafiltration can reduce bacteria, turbidity, and suspended particles while retaining most naturally occurring dissolved minerals. Reverse Osmosis provides much broader reduction of dissolved salts and smaller contaminants.

Ultrafiltration (UF) typically uses hollow-fiber membranes with pore sizes in the approximate 0.01–0.1 micron range. These membranes physically retain turbidity, suspended solids, colloids, and many microorganisms while allowing dissolved minerals and salts to remain in the water.

Reverse Osmosis (RO) operates at a much finer separation level. Unlike UF, RO can substantially reduce dissolved ions such as sodium, calcium, fluoride, nitrates, and other contributors to total dissolved solids (TDS). This makes RO more suitable when dissolved-salt reduction is a primary treatment objective.

UF generally requires less system pressure and produces little or no continuous concentrate stream in many point-of-use configurations. RO typically requires greater pressure and produces a reject-water stream, but delivers broader contaminant reduction.

For water with acceptable TDS and mineral content, UF can be a simpler mineral-retaining treatment option. Where dissolved salts, fluoride, nitrates, or broader dissolved contaminants are a concern, RO is generally the more appropriate technology.

HisoAir Water Technical Series
Technology Selection•4 min read

Carbon Block vs Reverse Osmosis: Which Fits Your Need?

Key Takeaway:

Choose RO for dissolved inorganic salts and heavy metals; choose Carbon Block for chemical taste/odor, no wastewater, and high line-pressure flow.

Reverse Osmosis (RO) and Carbon Block filtration represent two fundamentally different treatment methods: membrane separation and adsorption. Understanding these differences helps determine which technology is better suited to a specific water-quality requirement.

Reverse Osmosis uses a semi-permeable membrane with pore sizes of approximately 0.0001 microns. It can significantly reduce dissolved inorganic contaminants such as TDS, fluoride, nitrates, and certain heavy metals. Because water must be forced through the membrane, RO systems require sufficient pressure or a booster pump and generate a concentrated wastewater stream.

Carbon Block filtration relies primarily on adsorption through compressed activated carbon, commonly with nominal pore sizes around 0.5–5 microns. It is highly effective for chlorine, chloramines, VOCs, taste, and odor, while allowing substantially higher direct-flow rates without producing wastewater.

From an operating perspective, Carbon Block systems are generally simpler, require less energy, and avoid the water loss associated with RO. RO involves higher system complexity and operating cost, but provides substantially broader reduction of dissolved contaminants that Carbon Block alone cannot address.

HisoAir Water Technical Series

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