Innovative Air Quality Solutions

SteamPure™ Tech

Stainless Steel Humidifier

Global Patented SteamPure™ Tech Stainless Steel Humidifier for Premium Brands

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Why Choose Stainless Steel for Your Humidifier?

The Smart Upgrade Your Humidifier Deserves —— Durability. Cleanliness. Confidence.

🔩 1. Corrosion-Proof Performance

Plastic cracks. Stainless steel endures.
No rust, no scale — even after years of daily use.

🦠 2. Hygienic & Bacteria-Resistant

Naturally inhibits bacteria.
Perfect for babies, allergy sufferers, and clean-air lovers.

👃 3. No Odors, No Chemicals

Pure mist, no plastic smell.
Breathe only what you should — clean water.

🏠 4. Modern, Minimalist Aesthetic

Sleek and elegant.
Fits seamlessly into premium homes, offices, and clinics.

💪 5. Built to Last

No cracks. No discoloration.
Longer lifespan = better value, less waste.

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New Launch Stainless Steam Humidifier

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HM300 Premium Stainless Steel Steam Humidifier

HM300 is the only medical-grade stainless-steel, boiled-steam humidifier that keeps plastic, bacteria, and odors out of your air—built for wellness-focused homes, nurseries, and clinics.

🎯 Perfect For

  • 👶 Health-Conscious Families – Safe mist for babies & sensitive users

  • 🏡 Luxury Homeowners – Sleek, premium materials that match modern décor

  • 💡 Smart Home Enthusiasts – Full voice/app control with Wi-Fi integration

  • 😮‍💨 Asthma & Allergy Sufferers – Pure mist with 99.99% sterilization

  • 🛏️ Offices & Bedrooms – Whisper-quiet performance for work or sleep

  • 🌱 Eco-Friendly Buyers – Sustainable, durable stainless steel design
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HM300 Product Specifications
Voltage 110V / 240V ~ 50–60Hz
Power 300W
Noise ≤30 dB(A)
Coverage Up to 35m²
Tank Capacity 4.2L – 100% 304 Stainless Steel, Dishwasher Safe
Humidification 150 / 250 / 350 mL/h
Mist Levels 3 (Auto–1–2–3)
Humidity Setting 40%–70% Adjustable
Timer 1–12h
Function Child Lock, Night Mode, Mood Light, Essential oil tray
Dimensions φ198×305mm
Why HM300 Stands Out
Plastic contact with water 100% stainless steel
Bacterial/mold growth Boiling sterilization
Hard to clean Removable, dishwasher-safe tank
Short runtime 36 hours on 4L
Loud operation Whisper-quiet <30 dB
No smart controls App + voice control
Mist in wrong direction Adjustable nozzle (top & side)
Plastic odors / VOCs No off-gassing from plastic or rubber parts
Frequent filter changes Filter-free design, low maintenance cost
Requires replacements Durable stainless steel body, no consumables
Setup / Use Experience Top-fill + intuitive interface
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100% 304 Stainless Steel Water Tank

  • No plastic touching water
  • Corrosion-resistant, non-porous & dishwasher safe
  • Eliminates bacteria, mold, & mineral buildup
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Unlike conventional humidifiers that rely on plastic interiors prone to bacteria, odors, and mineral buildup, the HM300 uses a fully 304-grade stainless steel tank—inside and out. This medical-grade, non-porous metal resists corrosion, eliminates contamination risks, and keeps your water supply safe and sterile.

No microplastics. No leaching. Just clean, hygienic mist—every time. Whether you’re caring for a baby, sensitive skin, or respiratory health, HM300’s all-metal tank is a long-lasting solution you can trust. And when it’s time to clean? Simply remove it

Top-Fill Design

🧼 Wide Top-Fill Opening
Say goodbye to awkward angles — pour water in effortlessly through a wide, precision-machined stainless steel opening.

💧 Leak-Proof Lid
Anti-spill and anti-drip design ensures zero mess, even when moving the unit or refilling quickly.

🔄 Removable Tank
The top-lift tank design makes cleaning and maintenance simple, safe, and hassle-free.

⏱️ Quick Refills Anytime
Whether it’s bedtime or a busy morning, refilling takes seconds — no spills, no stress.

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Smart Safety & Timer Features

💧 Low-Water Warning
An LED ring flashes when the tank runs low, preventing dry-run damage and guaranteeing uninterrupted operation.

🔁 Tip-Over Auto-Off
A built-in tilt sensor instantly cuts power if the unit is knocked over, stopping spills before they start.

🔒 Child-Lock Mode
Long-press to disable the controls—perfect for keeping curious hands safe.

🔥 Overheat Shield
A temperature monitor shuts the heater down automatically if internal heat rises beyond safe limits.

⏲️ Preset Timer Options: 1-12 hrs
Set it and forget it—perfect for nighttime or workday use.

♻️ Eco Mode
Automatically reduces mist output when the target humidity is reached—saving energy and extending runtime.

🚫 Auto Shutoff
Automatically turns off the unit if tipped, overheated, or out of water.

Flexible Control Methods

📶 Wi-Fi Connectivity
Control the device remotely via stable 2.4GHz connection for seamless operation.

📱 Smart App Functions
Manage mist levels, schedules, and humidity tracking through the iOS or Android app.

🎛️ Multi-Feature Control
Easily toggle Night Light, Eco Mode, and Child Lock from your phone.

🎙️ Voice Assistant Compatibility
Works with Amazon Alexa and Google Home for hands-free operation.

🌀 Knob Control
Simple manual control option for quick on/off and mist level adjustment.

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More Products

hm2206

HM2206 Premium Stainless Ultrasonic Humidifier

  • 💧 Convenient top-fill design
  • 🧴 Stainless steel water tank
  • 🧠 The intelligently constant humidity (AI)
  • 🌙 Night light
  • 🕰️ Timer function
  • 😴 Sleeping mode
HM618 Product Specifications
Power Supply 24V DC adaptor Power 23W
Tank Capacity 3.8L Coverage Up to 20m²
Humidification 200 mL/h Mist Levels 3 settings
Control Type Touch control Dimensions 180 × 180 × 266 mm
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hm618

HM618 Premium Stainless Ultrasonic Humidifier 

  • 💧 Convenient top-fill design
  • 🧴 Stainless steel water tank
  • ⚠️ Automatic shut-off for safety Boil-dry protection
  • 🌙 Night light
  • 🕰️ Timer function
HM618 Product Specifications
Power Supply 24V DC adaptor Power 23W
Tank Capacity 3.4L Coverage Up to 20m²
Humidification 180 mL/h Mist Levels 2 settings
Control Type Touch control Dimensions 193 × 193 × 256 mm
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Multiple Integrated Sensors Technology

Optional integrated sensors for customized air quality monitoring.

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Advanced PM2.5 Sensor

It is capable of continuously monitoring indoor air quality. In auto mode, the purifier intelligently adjusts fan speed based on PM2.5 levels, ensuring optimal purification performance.

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Precision Temperature & Humidity Sensor

Optional temperature & humidity sensor offering accurate, real-time environmental monitoring with wide range, fast response, and robust performance in demanding conditions.

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High-Precision Radar Sensor

Advanced radar technology for reliable detection of objects, motion, and environment—ideal for automotive, industrial, and security applications.

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Noise Sensor™ Technology

An embedded acoustic sensor constantly listens to both the purifier’s airflow and the room’s ambience. When the household settles down—for instance at bedtime—the fan automatically drifts into whisper-quiet mode, so fresh air keeps moving while you hardly notice a sound, creates a calmer, healthier living space where you can sleep deeper, work happier, and simply enjoy the peace.

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Light Sensor™ Technology

Automatically adjusting brightness for optimal illumination, our sensors enhance comfort and energy efficiency. Ideal for creating the perfect ambiance and ensuring a well-lit, adaptive environment that suits your needs at any time of day or night.

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Flexible Smart Control Technology

Optional Wi-Fi, Matter™ & Thread integration for seamless smart control.

Wi-Fi Remote Control & Real-time Monitoring

Through the Tuya application, clients can remotely control the device and monitor air quality in real-time anytime, anywhere.

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Matter™ Universal Smart-Home Integration

HisoAir also supports the Matter™ universal smart home integration protocol, meaning devices can easily connect to multiple platforms like Apple HomeKit, Google Home, Amazon Alexa for unified control.

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Thread Ultra-Reliable Mesh Network

Thread ultra-reliable mesh networking technology is also available as an optional configuration, providing low-power, self-healing connectivity to ensure uninterrupted performance and extended range and response time.

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Certifications & Compliance Standards

Premium Quality Humidifiers You Can Rely On

Our Core Testing Capabilities

  • Humidity Control Assessment: Measures mist output, dehumidification capacity, and set‑point accuracy.
  • Noise Level: Records noise levels across all operating modes.
  • Environmental Chamber: Evaluates function under varying temperature and humidity conditions.
  • Aging & Safety Testing: Simulates extended usage cycles to verify product durability, environmental adaptability, and electrical safety compliance.

We offer tailored product features based on your needs – including mist volume, tank size, smart control settings, and noise control optimization – all within certified production frameworks.

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Reliable Testing & Quality Control

Ensuring Long-Term Performance and Safety

Our in-house testing laboratories are CNAS-accredited and equipped with advanced facilities to simulate real-world conditions. Every humidifier undergoes comprehensive testing to verify stability, adaptability, and user satisfaction.

We continuously monitor market trends, new technologies, and user insights to drive product innovation and maintain the highest quality standards.

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Certified to International Standards

Our humidifiers are certified to meet international standards for safety, reliability, and performance. Each unit is manufactured in compliance with regulations including:

  • ETL & UL for electrical safety
  • FCC for electromagnetic compatibility (EMC)
  • CE & RoHS for European market access and environmental compliance
  • TÜV SÜD tested for product integrity and global conformity
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Why Choose Us

Choose HisoAir for unparalleled expertise in air purification, where our commitment to “Maximum Purification, Minimum Noise” meets the exacting standards of the world’s leading brands and Fortune 500 companies, including: Henry Singh, JP Morgan, AFLAC, and BlueAir.

Prestigious Partnerships: Trusted by industry leaders like Henry Singh, JP Morgan, Aflac, and BlueAir, HisoAir is a top-tier provider of air purification solutions, meeting the high demands of global brands.

Decibel Cancellation™ Technology: Our unique technology offers quiet, high-performance air purification, making our purifiers ideal for noise-sensitive environments.

Tailored, High-Performance Solutions: We offer premium air purifiers customized to each client’s needs, ensuring superior air quality and exceeding customer expectations.

20+ Years Experience

Over 20 years of expertise and 200+ customized humidifier projects.

2-4 Weeks Delivery

A dedicated team of over 20 engineers and experts overseeing each project.

OEM | ODM | JDM

Leverage our manufacturing experience to design and develop proprietary humidifiers that are highly favored by users.

Founders of HisoAir

Connect with experts to improve and maintain your indoor air quality.
alween lee hisoair founder
Mr. Lee
Founder

As the founder of HisoAir, I am deeply passionate about improving indoor air quality and the well-being of our environment.

With a commitment to clean air and healthy living spaces, I am dedicated to developing innovative solutions that make a significant difference.

My expertise lies in social media marketing and global brand distribution, allowing me to bring our air quality products to a wider audience.

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Evelyn Wen
Co-Founder

With over 16 years of experience as a Product and Quality Engineer in Apple's supply chain, Evelyn Wen is a dedicated expert in designing high-quality products that improve indoor air quality.

She is passionate about user experience and committed to creating innovative solutions that enhance the well-being of customers through cleaner, healthier living environments.

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Mr. Ng
Co-Founder

With over 20 years of experience in air treatment, he is an expert in product design and manufacturing. He has dedicated his career to developing advanced solutions for improving indoor air quality.

Passionate about innovation, he leads the design and production of high-performance air purification systems that create healthier, more comfortable living environments.

Global Manufacturing
- China+1 Strategy Ready

China / Vietnam / Thailand / Malaysia
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Vietnam Factory

Streamlining US Trade with Cost Efficiency and Quick Delivery.
intelligent systems

  • Established: 2020
  • Building Area: 20000㎡
  • Focus On Environment-Friendly Appliances
  • Employee: 400+
  • Assembly Line: 4+3
  • Production Heating Elements In House
  • Own Testing & Verification Lab
  • Annual Capacity: 2 Million Units
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Thailand Factory

Replacement Factory outside China
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Private Label —Launch Your Brand Fast

Customize a proven platform and start shipping in weeks
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Tailored Solutions for Every Market Need

With deep expertise in bespoke humidifier design and manufacturing, we create tailored solutions to meet the precise demands of residential, commercial, industrial, and healthcare environments.

From adjustable mist output to intelligent humidity control and scalable capacity, our customizable features ensure every product matches your exact specifications.

All solutions are built with performance, comfort, and global certification compliance in mind.

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Adaptable to Renowned Global Brands

With over 20 years of expertise, we specialize in delivering air quality solutions that seamlessly integrate with the needs of the world’s most recognized brands. Partner with us to achieve exceptional performance tailored to your market.

Blueair Logo - Premium Air Purification Brand
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Alen Logo - Trusted in Air Purification
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Honeywell Logo - Leader in Air Purification and Filtration Solutions
IQAir Logo - Premium Swiss Air Purification Solutions
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Levoit Logo - Trusted Brand in Home Air Purification
GermGuardian Logo - Trusted Air Purification and Filtration Brand

Customer Testimonial

“ 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 ”
customer testimonials
Herina
Hospitals and government supplier from Romania

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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

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