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Innovative Air Quality Solutions

HA-138

Air purifier 900 sq ft (Hisoair HA-138)

The HisoMedical HA-138 air purifier technology removes 99.9% of airborne viruses, bacteria, and other pollutants.

Decibel Cancellation™ Technology
Our air purifiers deliver maximum filtration with minimum noise.

49-84m² Functional area
The applicable area can reach 49-84m² square meters, like school, business premises.

707m3/h CADR
The CADR called the Clean Air Delivery Rate is 707m3/h.

99.9% H1N1 Rate
The virus removal rate and H1N1 rate all is 99.9%.

0.1um Medical Grade HEPA
The high-efficiency particulate air (HEPA) reaches 0.1um medical grade.

20000H UVC Light
HA-138 air purifier with Ultraviolet Lamp Catalysis (270-280nm)

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Best air purifier 900 sq ft: specification

Items HA-138
Demensions (L x W x H) 320*320*690mm
Product weight 9 kgs
Energy consumtion 60 W
Air outlet Top side
Air inlet Front and Back side
Clean air delivery rate (CADR)-PM2.5 196m3/h (115CFM), 307m3/h (181CFM), 463m3/h (272CFM), 562m3/h (331CFM), 707m3/h (416CFM)
Clean air delivery rate (CADR)-Formaldehyde 80m3/h
Technologies Pre-filter, Antibacterial filter, H13 HEPA filter (H14 optional), Activated carbon filter,
Anion (optional), Photocatalyst (optional), UVC lamp (optional)
Sensor PM2.5 sensor, CO2 sensor (optional)
WIFI (Tuya APP) Yes (optional)
Certificates CE-EMC, CE-LVD, ROHS, CADR & Noise, WIFI, EN1822, Antibacterial filter test report
Carton Size (L x W x H) 390*390*760mm
Gross Weight 11 kgs
Loading quantity (20ft/ 40ft/ 40hq) 230untis/ 490units/ 580untis

Your Ultimate Solution for Quiet, High-Performance Air Purification

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  • Unique Air Duct Design – Good for smooth air circulation and noise control
  • Exceptional Low Noise – 5 -10dB lower than the competitor’s air purifier
  • Large CADR and Big Air Flow – Applicable for big classrooms or large commercial spaces
  • Multiple Sensors – Equipped with PM2.5, Temperature and Humidity sensor
  • Multiple Layer Filtration System – Anti-bacterial filter, Pre-filter,
  • HEPA filter and Activated Carbon filter
    Easy Operation – Operate or control the product without any effort

Why Choose Our Air Purifiers?

Hospital-grade
purifier technology
Virus-free
filter technology
99.9% bacterial
removal rate
High CADR
(Clean Air Delivery Rate)
0.1um Medical grade
HEPA
270-280nm
UVC light sterilization
H14 H13 long-hour
lifespan HEAP filters
Tested by
SGS & independent Labs

The Top 3 OEM/ODM Air purifier Manufacturer in China

Private labeling for branded Air Purifiers for decades

HisoAir offers private labeling air purifier services to clients who have already reviewed and agreed with HisoAir’s air purifier design and specifications. Once the agreement is signed, the selected products will be labeled with the client’s name.

OEM Air purifiers from start to end

HisoAir provides OEM air purifier services to partners who have the necessary specifications in a product. HisoAir provides research, design, engineering, mock ups or modifications, testing, and mass productions based on the client’s finalized design.

Over 50+ Air Purifier Projects

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TESTIMONIALS

“ I found hisoair's website from Google and to be honest, I wasn't sure if they were reliable at first, but they completed my project requirements in a month and a half. And when the project required the urgent addition of a CO2 Sensor, they had a new sample completed within a week, making them the most professional, customer-focused manufacturer I've ever worked with ”
tms 1
Thomas
Government supplier from Germany
“ We all know that the COVID has been a terrible disaster for the whole world, specially for the India, I've bought air purifier from HisoAir, this has been very useful for me and my office, home, families and friends.I've been working with Alwen for the last 7 years, who is from HisoAir, I can that he is a very reliable person, very efficient and very professional ”
customer testimonials 2
Ranjith Bala
Medical products importer from India
“ We are a company with over 15 years of experience in working with private institutions and private sectors, we have made collaboration with Hiso for 3 years, and we are really grateful for the works that Hiso has provided to us. We are grateful for the collaboration with Cherry and Mr. Lee ”
customer testimonials
Herina
Hospitals and government supplier from Romania

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KEEP IN TOUCH

Contact Information

Your query matters to us.
We’ll connect shortly, and your details always remain secure.
sales@hisoair.com
+86 138 0961 9940

US Office: 2180 S WINEVILLE AVE ONTARIO, CA 91761

Office: Room 712~713, Building 1, No. 4, Second Road, Songshan Lake Park, Dongguan City, Guangdong Province, 523429.

Factory: China | Vietnam | Thailand | Malaysia

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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