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혁신적인 공기질 솔루션

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Vary the Speed Settings According to the Time of the Year

공기청정기는 얼마나 오래 사용해야 하나요?

공기청정기는 연중무휴 24시간 가동하는 것이 가장 이상적입니다. 공기청정기를 끄면 2~4시간 이내에 실내가 재오염될 수 있습니다. 하지만 얼마나 오래 ...
2021-04-23
Air purifier, News
공기청정기를 두기에 가장 좋은 장소는 어디인가요?

공기청정기를 두기에 가장 좋은 장소는 어디인가요?

공기청정기를 올바르게 배치하면 공기 중 오염 물질을 제거하는 능력이 크게 향상됩니다. 하지만 실제로 어디에 배치해야 할까요? 어떤 것들이 ...
2021-04-23
Air purifier, News
공기청정기는 어떻게 사용하나요? 공기 정화를 위한 효과적이고 쉬운 6가지 방법

공기청정기는 어떻게 사용하나요? 공기 정화를 위한 효과적이고 쉬운 6가지 방법

이미 성능이 뛰어난 공기청정기의 성능을 최적화할 수 있다는 사실을 모르시나요? 방법을 알아보려면 계속 읽어보세요! 공기 ...
2021-04-21
Air purifier, News
공기청정기는 어떻게 작동하나요? 알아야 할 모든 것

공기청정기는 어떻게 작동하나요? 알아야 할 모든 것

공기청정기를 구매하기 전에 어떻게 작동하는지 알고 싶으신가요? 작동 원리는 매우 간단합니다. 이 간단한 다이어그램을 보세요: 공기 ...
2021-04-21
Air purifier, News
공기청정기가 필요한가요?

공기청정기가 필요한가요? 공기청정기는 돈 낭비인가요?

더 깨끗하고 안전하며 통기성이 좋은 공기를 원하든, 먼지와 부유 세균, 바이러스를 제거하든 공기 청정기가 도움이 될 수 있습니다. 정말 필요한가요?
2021-04-13
Air purifier, News
업계를 위한 최고의 닌자 저소음 공기청정기 9가지

업계를 위한 최고의 닌자 저소음 공기청정기 9가지

2021-04-13
뉴스
히말라야 소금 램프는 정말 공기를 정화할까요?

히말라야 소금 램프가 정말 공기를 정화하나요?

히말라야 소금 램프는 실내 공기를 정화하지 않습니다 - 공기청정기는 정화합니다. 이 게시물에서는 마케팅 사기를 믿지 말아야 하는 이유를 자세히 설명합니다.
2021-04-08
Air purifier, News
공기청정기로 바이러스를 죽일 수 있나요? 코로나 바이러스에 대한 진실

공기청정기로 바이러스를 죽일 수 있나요? 코로나 바이러스에 대한 진실

2021-04-07
Air purifier, News
blue tinted house interior fully ventilated

9가지 최고의 대형 실내 공기청정기 - HEPA 필터, 자외선

As an Air Purifier Manufacturer , we'll tell you exactly which air purifier you need for your large spaces.  Source: Molekule Blog We've laid out ...
2021-04-07
Air purifier, News
침실의 공기 청정기

Top 12 World-Class Air Purifier Brands (2026) HEPA

회사나 가정에 적합한 공기청정기 브랜드를 선택하는 데 어려움을 겪고 계신가요? 최고의 HEPA 공기청정기에 대한 솔직한 리뷰를 확인하세요.
2021-04-05
공기청정기 제조업체, 뉴스
인도 최고의 공기청정기 제조업체 5곳 (2021) - HisoAir

5 Best Air Purifier Manufacturers in India (2026) – HisoAir

인도 최고의 공기 청정기 제조업체를 찾고 있다면 올바른 페이지에 도착했습니다! 이 게시물에서 우리는 5를 모았습니다 ...
2021-01-15
공기청정기 제조업체, 뉴스
중국 최고의 공기청정기 제조업체 5곳 (2021) - HisoAir

5 Best Air Purifier Manufacturers in China (2026) – HisoAir

고품질의 HEPA 등급 공기청정기를 수입할 계획이신가요? 비용을 절약하고 싶지만 여전히 고품질의 제품을 원하신다면, ...
2021-01-15
공기청정기 제조업체, 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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