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Solutions innovantes pour la qualité de l'air

Purificateurs d'air

purificateur d'air de ventilation hv 100 (copie)

Purificateur d'air de ventilation HV 200

Smart Ventilation Technology The HV200 combines fresh air ventilation with air purification. It increases oxygen levels indoors while removing harmful particles like PM2.5, smoke, and ...
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Purificateurs d'air, Ventilateur Purificateur
brouillon automatique

Purificateur d'air de ventilation HV 100

Le purificateur d'air HV100 combine une technologie avancée de purification, de ventilation et de chauffage dans un design compact et facile à installer, ce qui en fait la solution idéale pour ...
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Purificateurs d'air, Ventilateur Purificateur
brouillon automatique

Purificateur d'air haute performance HA600

Le purificateur d'air haute performance HA600 est un choix de premier ordre pour les grands espaces, offrant une purification robuste, un fonctionnement silencieux et un contrôle intelligent. Parfait pour les maisons, les bureaux et ...
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Purificateurs d'air, Purificateur d'air haute performance
purificateur d'air haute performance ha400

High-Performance Air Purifier HA4001

The HA4001 is the ultimate solution for maintaining clean air in large spaces, combining powerful purification, real-time monitoring, and whisper-quiet operation for a healthier and ...
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Purificateurs d'air, Purificateur d'air haute performance
purificateur d'air pour grands espaces ha 588

Air Purifier for Large Spaces HA588

Puissant et silencieux Doté d'un système de filtration complet avec technologie HEPA H13, charbon actif et UV, le HA-588 purifie efficacement les grands espaces tout en restant silencieux ...
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Purificateurs d'air, Purificateur d'air haute performance
purificateur d'air sur pied ha 1300

Purificateur d'air portable sur pied HA-1300

Puissant et silencieux : équipé d'un système de filtration à plusieurs niveaux comprenant un filtre HEPA H13, du charbon actif et des pré-filtres, le HA-1300 purifie efficacement les grands espaces tout en ...
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Purificateurs d'air, Purificateur d'air commercial, Purificateur d'air haute performance
purificateur d'air commercial sur pied ha 1000

Floor Standing Commercial Air Purifier HA1000

Powerful and Quiet: Equipped with a multi-stage filtration system featuring H13 HEPA, activated carbon, and pre-filters, the HA1000 efficiently purifies large spaces while maintaining ultra-quiet ...
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Purificateurs d'air, Purificateur d'air commercial, Purificateur d'air haute performance
purificateur d'air sur pied hab800

High Performance Air Purifier HA-B800

Une apparence haut de gamme : Un mélange d'élégance et de chaleur naturelleLe purificateur d'air HisoAir présente un design élégant et moderne qui rehausse l'esthétique de n'importe quelle pièce. Son ...
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Purificateurs d'air, Purificateur d'air haute performance
purificateur d'air de ventilation hv600

Purificateur d'air de ventilation HV600

Design compact et élégant Le HV600 est conçu pour s'adapter à tous les styles de maison grâce à sa construction minimaliste et à son montage mural. L'installation est simple, ce qui fait qu'il convient ...
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Ventilator Purifier, Wall Mounted Air Purifiers
purificateur d'air de ventilation hv380

Purificateur d'air HV380

Faible niveau sonore et volume d'air élevé : Découvrez le confort à l'état purLa technologie innovante Decibel Cancellation™ de HisoAir garantit un fonctionnement silencieux, avec des niveaux de bruit inférieurs de 5 à 10 dB à ceux des concurrents. Associée à ...
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Ventilator Purifier, Wall Mounted Air Purifiers
Wall-mounted air purifier with a grey fabric front panel

Wall Mounting Air Purifer HA380B

Compact Design & Easy InstallationThe HisoAir HA380B Air Purifier boasts a sleek, slim design at just 5 inches thick. Its compact build makes it a ...
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Purificateurs d'air muraux
purificateur d'air pour animaux de compagnie ha360

Purificateur d'air pour animaux HA360

Purificateur d'air pour animaux HA360 : La solution parfaite pour les maisons accueillant des animaux domestiquesConçu pour les amoureux des animaux domestiques, le purificateur d'air pour animaux HA360 garantit que l'air de votre maison est ...
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Purificateur d'air pour animaux de compagnie
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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