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high performance dehumidifier dm a212

High-Performance Dehumidifier with Air Purifier DM-A212

Categories: Dehumidifiers
  • Powerful Dehumidification

    Capable of extracting up to 12 liters of moisture per day (at 27°C, 60% humidity), effectively reducing indoor humidity and preventing dampness.

  • Quiet Operation

    Operates at a low noise level of 48dB, ensuring a peaceful environment suitable for bedrooms, living rooms, and offices.

  • Efficient Water Management

    Equipped with a 3.7L water tank and tank-full auto-off indicator, preventing overflow and enabling hassle-free operation. Optional continuous water drainage adds convenience for extended use.

  • Smart Humidity Control

    Adjustable humidity settings from 40% to 70% RH, with an intuitive digital display showing real-time humidity levels.

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Product Description

high performance dehumidifier dm a212
  • Energy-Efficient Performance: Rated at 194W, optimized for consistent performance while conserving energy.
  • Portable and User-Friendly: Lightweight design with a handle and wheels for easy movement.
  • Smart Connectivity Options: Optional TUYA Wi-Fi control for remote operation and monitoring.
  • Multi-Functionality Features auto-swing airflow for wide coverage, auto-defrost, and inner drying to prevent mold and maintain device hygiene.
high performance dehumidifier dm a212

The DM-A212 Dehumidifier combines powerful performance, smart controls, and enhanced air purification to create a healthier and more comfortable living space. Its compact design and advanced features make it an ideal choice for modern homes and offices. Let me know if you need further refinements!

high performance dehumidifier dm a212

Specifications

Power supply
110V/60Hz
Dehumidification Capacity
12L/day (27°C, 60%)
Rated Power
194W (27°C, 60%)
Water Tank Capacity
3.7L
Noise
< 48dB(A)
Speed
3
Humidity Range
Adjustable from 40%–70% RH
Refrigerant
R134a
Air Flow
180m³ / h (High speed)
Timer
1-12H
Dimensions
376 × 271 × 578 mm
Weight
14.5 kg
Filter
H11 Hepa Filter
Fuction
PM 2.5 sensor, Auto-Defrost, Child Lock, Inner Dry: Prevent mold, Tank full indicator with AUTO-OFF, Digital 88 Display
Optional
Water Drainage, TUYA Wi-Fi

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Why Choose Our Air Purifiers?

High-Performance Air Purification
Advanced Filtration Options
99.9% bacterial
removal rate
High CADR
(Clean Air Delivery Rate)
H13/H14 HEPA Filtration Options
Optional 270–280 nm UVC Module
H14 H13 extended filter life
lifespan HEPA filters
Third-Party Tested Filtration Performance

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.

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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 ”
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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 ”
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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 ”
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Herina
Hospitals and government supplier from Romania

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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.
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Thomas
Government Supplier from Germany
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.

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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
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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.

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