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공기청정기용 고효율 HEPA 필터로 실내 공기에서 미세 입자와 알레르기 유발 물질을 제거합니다.

HEPA 필터 공기청정기가 무엇인가요?

HEPA 필터는 공기 중 입자를 효과적으로 포집하고 다양한 환경의 공기질을 개선하는 데 사용되는 공기 정화용으로 널리 사용되는 제품입니다. 최근 몇 년 동안, ...
2024-11-01
뉴스
히로에어

전 세계적으로 OEM/ODM 서비스를 제공하는 상위 10개 공기청정기 제조업체

소개 :대기 오염이 증가하고 실내 공기질에 대한 인식이 높아짐에 따라 공기 청정기에 대한 수요가 계속 증가함에 따라 많은 기업들이 ...
2024-10-24
공기 청정기
levoit

르보아 공기청정기는 어디에서 제조되나요? 히소에어 제조 현장 비하인드 스토리

Levoit는 저렴하면서도 고품질의 공기청정기를 제공하는 것으로 유명한 미국 최고의 공기청정기 브랜드로 자리 잡았습니다. 출시 이후 ...
2024-10-17
공기청정기 제조업체
standing & wall mounted air purifier ha180 & ha380 (fabric panel)

공기 정화의 미래: 산업을 변화시킬 5가지 트렌드

공기질에 대한 관심이 높아지는 세상에서 공기 정화 기술의 발전은 소비자의 요구를 충족하기 위해 빠르게 진화하고 있으며 ...
2024-10-14
공기 청정기
A cozy living room corner designed for an aging dog, featuring soft bedding and a plush rug.

물을 사용하는 공기청정기는 무엇인가요? 물로 공기 정화에 대한 전체 가이드

물을 통해 공기를 여과할 수 있나요? 이것이 질문이라면 올바른 기사를 읽고 계신 것입니다. 공기 정화에 대한 종합적인 가이드를 확인하세요 ...
2022-10-31
공기 청정기
현대 거실의 공기 청정기

집안의 공기질에 곰팡이가 있는지 테스트하는 방법은 무엇인가요?

이미지 출처: moldinspectionandtest.com 곰팡이는 알레르기를 악화시킬 수 있습니다. 공기 중 곰팡이를 검사할 수 있나요? 공기 샘플은 공기를 펌핑하여 실내 곰팡이 포자를 측정합니다 ...
2022-10-31
공기 청정기
공기청정기 및 제습기

공기청정기 대 제습기: 비교 및 차이점

이미지 출처: iStockPhoto 공기 청정기와 제습기는 현대 가정에서 널리 사용되는 두 가지 가전 제품입니다. 그들의 주요 목표는 실내 공기를 보장하는 것입니다 ...
2022-10-31
Air purifier, Dehumidifier, News
2022년 공기청정기 대 가습기

Air purifier vs Air humidifier: Which is better?

이미지 출처: 홈 에어 어드바이저 공기청정기와 가습기는 오늘날 대표적인 가정용품입니다. 두 기기 모두 실용적인 용도로 사용되며 실내 공기질을 개선합니다. 하지만 ...
2022-10-31
Air purifier, Humidifier, News
재채기하는 소녀

미국 내 알레르기 최고 및 최악의 주

이미지 출처: 뉴스 의료 매년 봄에는 눈곱, 콧물, 끊임없는 긁힘과 함께 재채기 발작이 심하게 일어납니다. 대부분의 사람들에게 이러한 ...
2022-10-31
Air purifier, News
정전기 에어 필터의 작동 원리 다이어그램

필터 교체: 정전식 공기 필터 대 HEPA

Air filters like wall mounted ones such as electrostatic and HEPA types are made to combat air pollutants such as pollen, pet dander, dust, etc. ...
2022-10-31
Air purifier, News
이온 필터 전문가

이온 공기청정기와 헤파 공기청정기: 어느 쪽이 더 좋고 안전한가요?

이미지 출처: Pinterest 이미지 출처: Hisoair 작은 방을위한 이온 공기 청정기 또는 큰 방을위한 HEPA 공기 청정기, 일반적으로 인기있는 공기 정화 시스템 ...
2022-10-31
Air purifier, News
286평방피트용 공기청정기(Hisoair HA-380)

글로벌 최고의 공기청정기 기업

공기청정기는 오늘날 생활환경에서 가장 중요한 필수품입니다. 공기 중의 바이러스와 질병을 유발하는 물질은 올바른 공기 청정기로 제거할 수 있습니다.
2022-10-22
Air purifier, News
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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