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革新的な空気品質ソリューション

ニュース

空気清浄機を備えた明るい老人ホームの内装

HisoAir 空気清浄システムは、老人ホームや福祉施設の室内空気の質をどのように改善しますか？

HisoAir空気清浄システムは、介護施設や福祉施設の室内空気の質を大幅に改善します。H13トゥルーHEPAフィルター技術を採用したこのシステムは、空気清浄に効果的な...
2024-12-18
ニュース
フィットネス機器と空気清浄システムを備えた近代的なジムの内部

HisoAir 空気清浄システムはどのようにジムの室内空気の質を改善しますか？

スポーツジムの室内空気環境は、健康とパフォーマンスにとって非常に重要ですが、多くの施設ではPM2.5、CO2、VOCなどの空気汚染物質に悩まされています。HisoAir空気...
2024-12-18
ニュース
HisoAir空気清浄機と居心地の良いインテリアのモダンなリビングルーム

HisoAir空気清浄機はどのように山火事の煙と闘い、室内の空気の質を高めるのでしょうか？

山火事の煙は深刻な健康被害をもたらし、住宅に侵入して室内の空気の質を悪化させます。HisoAir空気清浄機は、先進のH13トゥルーHEPAフィルターにより、99.95% ...
2024-12-18
ニュース
空気清浄機と大きな窓のある近代的な教室

HisoAir浄化システムは、米国の学校における室内空気の質をどのように改善しますか？

HisoAir浄化システムは、空気中の汚染物質、アレルゲン、ウイルスを除去する高度なろ過技術を活用することで、米国の学校における室内空気の質を大幅に改善します。この強化により、...
2024-12-18
ニュース
空気清浄機と大きな窓を備えたモダンなオフィス・インテリア

HisoAir 空気清浄システムはオフィスの室内空気の質をどのように改善しますか？

HisoAir空気清浄システムは、高度なろ過技術により、アレルゲンや汚染物質を含む浮遊粒子を99.95%除去します。既存のHVACシステムとシームレスに統合することで、...
2024-12-18
ニュース
サイドテーブルにスタイリッシュな空気清浄機が置かれたモダンなホテルの一室。

HisoAir 空気清浄システムはホテルの室内空気の質をどのように改善しますか？

ハイソエアーの空気清浄システムは、99.95%の浮遊粒子を捕集するH13トゥルーHEPAフィルターにより、ホテルの室内空気の質（IAQ）を大幅に改善します。これらの ...
2024-12-18
ニュース
HEPAフィルターと活性炭フィルターを並列に配置

EPA（米国環境保護庁）の最新ガイドラインに基づく、ヒソエアの空気清浄システムの室内空気品質改善効果とは？

COVID-19のパンデミック（世界的大流行）に鑑み、室内の空気を清潔に保つことが非常に重要になっています。HisoAir空気清浄システムは、高度なHEPAフィルターやスマートセンサーを活用し、室内の空気を清浄化します。
2024-12-18
ニュース
天井

HisoAir 天井用空気清浄機は、どのようにHVACの持続可能性を高め、室内空気質を改善するのでしょうか？

HisoAir 天井用空気清浄機は、エネルギー効率を最適化し、室内の空気の質を高めることで、HVACシステムに革命をもたらします。これらの革新的な装置は、既存のシステムにシームレスに統合され、天井に設置された空気清浄機に焦点を当てます。
2024-12-18
ニュース
スタイリッシュな空気清浄機と大きな窓のあるモダンなリビングルーム

米国の主要空気清浄機メーカーは？

このブログでは、インテリピュアやオランシといったブランドを中心に、アメリカの主要空気清浄機メーカーを紹介する。これらの企業は、戦略的に製品を組み立て ...
2024-12-11
ニュース
IoT機器と空気清浄機を備えたモダンなリビングルーム

IoTとAIは室内空気環境をどのように変え、より健康的な未来をもたらすのか？

IoTとAIは、スマートデバイスがリアルタイムで空気状態を監視、分析、最適化することで、室内空気環境管理に革命をもたらし、より健康的な生活を実現している。
2024-12-09
ニュース
エアフィルター製造工場で高度な機械を操作する作業員たち

タイのトップ・エアフィルター・メーカーとは？

このブログでは、タイにおけるエアフィルター・メーカーのトップ企業を調査し、LESHA Thailandの優位性、世界貿易力学の影響、技術の進歩、進化するエアフィルター・メーカーを紹介します。
2024-12-09
ニュース
明るい製造工場でエアフィルターを組み立てる作業員たち

ベトナムのベスト・エアフィルター・メーカーとは？

ベトナムは、貿易シフトとよりクリーンな空気への需要に後押しされ、エアフィルター製造の主要プレーヤーとして台頭しつつある。ベト・エア・フィルター（Viet Air ...
2024-12-09
ニュース
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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