Top 10 Essential Tips for Buying an Air Purifier with Negative Ion Generation

When selecting an air purifier based on room size, it's important not to choose one with too low of a power or airflow, as it will take longer to filter the air, consume more electricity, and be less efficient.

The airflow of the air purifier should match the room size to ensure efficient operation and safety. Specifically:

• Rooms under 15 m² (usually bedrooms): Choose an air purifier with an airflow of around 160 m³/h.
• Rooms from 15 – 20 m² (usually dining rooms): Opt for a purifier with a maximum airflow of approximately 180 m³/h.
• Rooms from 25 – 30 m² (usually living rooms): Prefer air purifiers with airflow around 240 m³/h.
• Rooms from 35 – 40 m² (usually living rooms or smaller spaces with many windows): A purifier with airflow around 360 m³/h will be very suitable for these rooms.
• Rooms over 40 m² (usually large living rooms or spacious halls): You should choose air purifiers with airflow of 510 m³/h or more.

Mountainous Areas and Low-Humidity Regions:

• For families, businesses, and schools located in cold, low-humidity areas like Da Lat or Sapa, it's best to opt for air purifiers with ion-generating and dehumidifying features.
• These purifiers help protect users from respiratory issues, skin allergies, reduce odors from damp clothes, prevent slippery floors, and protect electronic devices from damage.
• If you're in dry, hot regions like Ho Chi Minh City or northern central provinces such as Hue, Quang Tri, and Vinh during the dry season, air purifiers with ion generation and humidifying functions are also recommended.
• These devices maintain a cool, pleasant atmosphere and prevent dry skin, eye irritation, and sore throats, while balancing humidity in air-conditioned rooms.

Urban Areas:

• In urban areas, where the climate is typically dry and hot with various types of dust, choosing an air purifier with an appropriate dust filter is crucial.
• Air purifiers are designed to filter different types of dust like PM 1.0, PM 2.5, and PM 10, so you should select one that best suits the air quality and your specific needs.

Popular air filter types currently available include:

• Coarse Filter: Designed to remove visible dust particles.
• Activated Carbon Filter: Keeps the room fresh, neutralizes odors, and effectively eliminates harmful toxins.
• Pollen Filter: Suitable for those allergic to pollen and pet hair.
• Titanium Filter: Highly effective at eliminating unpleasant odors.
• Water Filter: Maintains good humidity levels and traps dirt in the water.
• Ion Filter: Purifies the air, removes odors, and captures fine dust particles like PM 2.5.
• HEPA Filter: Captures particles larger than 0.3µm, such as dust, pollen, mold, and bacteria.

Users can select additional smart features based on their specific needs:

• If your family includes pregnant women, young children, or you live near rivers, choose an air purifier with mosquito trapping and antibacterial functions. This type of air purifier uses modern technology to trap mosquitoes without chemicals, effectively protecting your family from dangerous mosquito-borne diseases like dengue, yellow fever, malaria, and Zika virus.
• If you prefer a user-friendly, easy-to-clean device, choose one with clear control panels or app-controlled functionality for easy operation and guidance.
• Models with removable filters are ideal for easy cleaning and quick filter replacement.
• If you want to save energy, opt for air purifiers with Inverter technology that effectively purify the air while minimizing electricity consumption for your home or office.
• For portable options, choose compact air purifiers designed for cars, desks, or personal use, ensuring convenient air purification wherever you go.
• If mobility and ease of transport are important, look for air purifiers with wheels for easy relocation.

Mytour recommends the most popular air purifier brands currently available:

• Sharp Air Purifiers: When it comes to high-quality, durable air purifiers, Sharp is a leading brand that can't be overlooked. A well-known name in Japan, Sharp is trusted by many customers. The design is sleek and modern, adding aesthetic appeal to any room.
  The air purifier effectively removes all types of fine dust, with up to 98% efficiency. It also absorbs moisture, maintains room humidity, and eliminates odors. The standout feature of Sharp is its Plasmacluster ion technology and HEPA filter, which captures particles as small as 0.3 micrometers, ensuring rapid air purification.
  Additionally, Sharp air purifiers come with various features such as energy-saving, a timer function, mosquito trapping, clothes drying, child lock, and more, all tailored to meet user needs.
• Xiaomi Air Purifiers: Xiaomi is another trusted brand offering highly popular air purifiers. The product features a simple yet modern and stylish design with an OLED display. It is equipped with sensitive, accurate sensors that detect fine dust, odors, and harmful substances in the air.
  The air purifier utilizes a high-quality filter system and a three-layer filtration core that removes up to 99.97% of suspended particles and PM 2.5. Not only does it effectively purify the air, but it is also user-friendly, with phone and voice controls allowing easy monitoring and adjustments to the air quality in your room.
• Samsung Air Purifiers: Samsung air purifiers offer a compact, smart, and elegant design that fits seamlessly into any space. It ensures efficient and fast air purification with its 3-layer filter system, including a primary filter, activated carbon filter, and HEPA filter for ultra-fine dust. The air circulation technology guarantees that the air in the room stays pure and fresh.
  The device is easy to use, with a laser sensor, smart display, and mobile control, making it convenient for everyone, including children and elderly users. Samsung air purifiers also offer additional features like auto mode, sleep mode, child safety lock, and filter replacement alerts.

Important things to keep in mind when using air purifiers that generate negative ions:

• Proper placement of the unit:
• Incorrect placement of the air purifier may lead to lower performance compared to normal usage.
• Most air purifiers have three air intake vents: two on the sides and one at the bottom. It’s recommended to place the device at least 30 cm away from furniture, cabinets, or obstructions to allow proper airflow.
• If you use an air conditioner, it's best to position the purifier directly under the cold air vent. This will help the airflow circulate better, ensuring the air purifier cleans the air faster.
• Use the purifier's functions correctly:
  • Air purifiers with antibacterial and antifungal technology are effective for cleaning the air within a certain time frame, typically 4 to 6 hours. It's important to keep the device running for this period to ensure fresh air and promote good health.
  • Advanced models from brands like Coway, Hitachi, and Panasonic come with smart modes, such as econavi and inverter, which automatically stop when the air is clean, optimizing energy savings and convenience.
  • Some models like the Lifepro air purifier feature ozone and negative ion functions. It’s recommended not to run these functions continuously as it may cause a hospital-like smell.
  • Low to medium fan speed settings are useful when the air in the room is not too polluted, making it ideal for daily use.
• Regularly clean the filters and air purifier components: To ensure optimal performance, it's crucial to clean the filters regularly. Filters located at the back of the device can be removed manually and cleaned with a vacuum cleaner or small brush to improve efficiency. It's recommended to clean the filters every 1-2 months and replace them every 2 years.
• Monitor the settings and select the best mode to achieve the most effective air purification.

Xiaomi Mi Air Purifier 2S:

• The Xiaomi Mi Air Purifier 2S is designed to purify air and reduce the harmful effects of fine dust on human health.
• It features three main components: an air filter, a fan unit, and a powerful motor unit.
• The air filter is removable and washable, capable of filtering out fine dust and pollutants from the air, reducing respiratory threats.
• The machine's outer casing is made from fireproof PVC and ABS plastic, ensuring safety for users. It also has a textured surface for better grip, and small air vents to expel clean air.
• Additionally, the device integrates smart functions, including smartphone connectivity, temperature and humidity sensors, and notifications to your phone when changes are detected in your home environment.
• The built-in laser sensor can detect fine dust as small as 0.3 microns and the filter can remove it effectively.

Sharp KC-F30EV-W Air Purifier:

• The Sharp KC-F30EV-W (1.8L) is a mid-range model. Though compact, it can eliminate up to 99.9% of allergens in the air.
• It uses the exclusive Plasmacluster Ion (PCI) technology developed for Sharp air purifiers, effectively neutralizing viruses and bacteria. The air blowing function also eliminates unpleasant odors such as smoke, mold, and other undesirable smells.
• Equipped with an intelligent AI sensor and indicator lights, it alerts you to any changes in dust levels, odors, or humidity. With Auto mode, it automatically adjusts to maintain optimal air quality in your home.
• The device also features Inverter technology to reduce energy consumption, using up to 50% less electricity compared to similar products.

Sharp FP-GM50E Air Purifier:

• Besides its sleek, premium black design, the Sharp FP-GM50E can purify air in spaces up to 40 m², offering a cost-effective solution. Like the Sharp KC-F30EV-W, it incorporates Plasmacluster Ion (PCI) technology, removing up to 99% of airborne pollutants.
• The filter system includes three layers: a coarse filter, a HEPA filter, and a carbon filter. This triple filtration method efficiently removes dirt, bacteria, viruses, mold, and bad odors from the air.
• The unit also features a mosquito-catching function, ideal for homes with young children or elderly individuals, protecting them from harmful chemicals often found in mosquito repellents.

Panasonic F-PXM35A-B Air Purifier:

• The Panasonic F-PXM35A integrates advanced Nano technology, popular among small households.
• Although it's most suitable for small spaces up to 26 m², it uses Nano-E technology to eliminate up to 99.9% of dust and harmful bacteria and viruses.
• The filter also includes catechins from green tea to neutralize bacteria and viruses, reducing respiratory health risks. The Mega Catcher technology is perfect for families with young children, as it cleans the air near the floor, where children play.
• The filter system consists of four layers: coarse filter, HEPA filter, carbon filter, and a humidifying filter, which captures dust, bacteria, mold, and odors, including fine PM 2.5 particles.

An ionized air purifier is a device that utilizes ion technology. Each air purifier integrating this technology may have a different name, but their common function is to purify the air and eliminate harmful bacteria.

Air is made up of numerous molecules and atoms, which are affected by electromagnetic forces from charged particles known as ions. Positive ions have a positive charge (+) when they lose cations, while negative ions have a negative charge (-) when they absorb anions.

Negative ions are widely used in various industries, particularly in air purifiers, air conditioners, water purifiers, and air fans, to provide the cleanest and freshest air for users.

Most airborne impurities like dust, smoke, etc., carry a positive charge, so the negative ions in the device attract these positively charged particles, neutralizing them and making the air cleaner. The HEPA filter consists of three layers: a coarse dust filter, an activated carbon filter, and a HEPA filter.

An air purifier that generates negative ions works by producing negative ions and releasing them into the air. These ions neutralize positive ions by attracting them, such as allergens, dust, and bacteria.

This process makes pollutants heavier, causing them to fall to the ground. As a result, odors and mold in your room are significantly reduced. Therefore, this is a highly effective solution to keep your indoor air fresh and free from bacteria.

However, air purifiers that generate negative ions are considered unsuitable for asthma patients. The ions generated can exacerbate symptoms such as wheezing, coughing, or shortness of breath. It’s important to consider the health condition of your family members before use.

Benefits of air purifiers:

• Air purifiers help eliminate dust and fine particles such as PM 2.5. According to research from the National Health Institute of the USA, ion technology can reduce up to 97% of the pollutants in the air within 1.5 meters. The purifiers come equipped with HEPA filters that efficiently remove dust, fine particles, bacteria, viruses, and odors, providing clean air for users.
• Odor removal and disinfection: According to research from the U.S. Department of Agriculture, negative ions can reduce dust by 52% and bacteria by 95% in the air. This ion function helps eliminate odors and bacteria effectively, making the air safer and healthier for your family.
• Effective allergy protection: Negative ions have been certified by the FDA as an effective allergen combatant. They help eliminate various allergens like pet dander, dust, and mold in the air. This air purifier is perfect for people with sensitive skin or allergies.
• Boosts blood oxygen and supports the nervous system: Mineral ions like calcium, sodium, and potassium are essential for cell function. The process of ionizing minerals promotes metabolism, increases blood oxygen levels, and supports the nervous system's proper functioning.

These benefits will help you increase work productivity and reduce stress after a long, tiring day at work.