10 Best Filterless Air Purifier of December 2025

• ✔️ HOW IT WORKS: Our unique Patented Thermodynamic TSS Technology system applies the same concept as boiling water by using heat to eliminate microorganisms, mold, dust mites, bacteria, viruses, pollen, ozone, or other organic allergy-causing allergens from those with one pet or multiple pets like dog/dogs or cat/cats.
• ✔️ SAFE: Our true purifying device doesn't emit, vent or spray ozone, ions, harmful UV light, or other dangerous products into the air. Ozone is a toxic gas known to the EPA (Environmental Protection Agency) to trigger asthma and destroy essential lung tissue. Independent lab testing found that our devices provide 26% ozone removal.
• ✔️ SILENT OPERATION: Our fresh clear air purifiers not only create better indoor air quality but are silent. It will run noise-free in a bedroom, bedrooms, dorm or a nursery and still allow you to sleep and enjoy sleeping. Our quiet operation also makes it an ideal fit for an office or kitchen inside your house.
• ✔️ SMART DESIGN: Our electronic purifying machine is portable, compact, and easy to use. It also blends well with any decor or space. The harmonic blue glow night light will help comfort a baby, child, or small children so kids can breathe a sigh of relief at not being left alone in the dark while also breathing easier.
• ✔️ SAVES GREEN: You will save money since you don't need to buy a long list of expensive & high priced replacement supplies like filters, parts, sterilizer, sanitizer or other cleaners. Not using an electric fan allows our energy power consumption to be low and not high which is good for the environment.

AirFree

• ecommended room size: 650 ft131
• With exclusive Patented Thermodynamic TSS Technology, Airfree applies the same concept as boiling water by using heat to destroy microorganisms and attains 100% efficiency at the Airfree air outlet.
• Airfree destroys mold, allergens, dust mites, bacteria, viruses, pollens, pet dender, tobacco, ozone and other organic pollutants. *Filterless technology: No extra costs with replacement filters.
• It is completely silent.
• Kindly refer the user manual's given below for troubleshooting steps.

AirFree

• HOW IT WORKS: Our unique Patented Thermodynamic TSS Core Technology system uses heat to kill chemical and organic allergy causing microorganisms such as mold spores, fungus, dust mites, bacteria, viruses, pollen, or pet hair dander. Having a pet or multiple pets like dog/dogs or cat/cats doesn't matter.
• SAFE: Our true purifying device doesn't spray or vent ozone, ions, harmful UV light, or other harmful products. Ozone is a toxic gas known to the EPA to trigger asthma and destroy essential lung tissue and independent lab tests found our device provides removal of 26% ozone and 99.99% of all microorganisms.
• SILENT OPERATION: Our fresh clear air purifiers not only create better indoor air quality but are silent. It will run noise-free in a bedroom, bedrooms, dorm or a nursery and still allow you to sleep and enjoy sleeping. Our quiet operation also makes it an ideal fit for an office or kitchen inside your house.
• SMART DESIGN: Our electronic machine is portable, compact, and easy to use. It also blends well with any decor or space. The built-in night light is harmonic, easily adjustable, and allows ten different color selections for just the right lights so kids can breathe a sigh of relief at not being left alone in the dark.
• SAVES GREEN: You will be breathing easier while saving money since you don't need to buy a long list of high priced replacement supplies like filters, parts, sterilizer, sanitizer or other cleaners. Not using an electric fan helps our max energy power consumption stay low which is good for all.

Airfree

• ✔️ HOW IT WORKS: Our unique Patented Thermodynamic TSS Technology system applies the same concept as boiling water by using heat to eliminate microorganisms, mold, dust mites, bacteria, viruses, pollen, or other organic allergy-causing allergens from those with one pet or multiple pets like dog/dogs or cat/cats.
• ✔️ SAFE: Our true purifying device doesn't emit, vent or spray ozone, ions, harmful UV light, or other dangerous products into the air. Ozone is a toxic gas known to the EPA (Environmental Protection Agency) to trigger asthma and destroy essential lung tissue. Independent lab testing found that our devices provide 26% ozone removal.
• ✔️ SILENT OPERATION: Our fresh clear air purifiers not only create better indoor air quality but are silent. It will run noise-free in a bedroom, bedrooms, dorm or a nursery and still allow you to sleep and enjoy sleeping. Our quiet operation also makes it an ideal fit for an office or kitchen inside your house.
• ✔️ SMART DESIGN: Our electronic machine is portable, compact, and easy to use. It also blends well with any decor or space with its lovely tulip shape. The built-in night light allows ten different color selections for just the right glow so kids can breathe a sigh of relief at not being left alone in the dark.
• ✔️ SAVES GREEN: You will be breathing easier while saving money since you don't need to buy a long list of expensive & high priced replacement supplies like filters, parts, sterilizer, sanitizer or other cleaners. Not using an electric fan allows our energy power consumption to be low and not high which is good for the environment.

Airfree

• ✅ For use in: Kitchen, Closet, Bedrooms, Corridors, Bathrooms, Living Rooms, Staircases, Basements, Offices, & Garages
• ✅ Ionization Technology: Up to 10 Million pcs/cm^3 of Negative Ion-Output
• ✅ Efficient: Low noise & low energy consumption
• ✅ Sleek Design: Compact form factor with blue LED light to let you know it's working
• ✅ Easy to Install: Simply Plug It In - No Maintenance Needed (No filters or Upkeep)

Clarifion

• Recommended room size: 450 ft². This product is CARB-certified
• With exclusive Patented Thermodynamic TSS Technology,  Airfree applies the same concept as boiling water by using heat to destroy microorganisms and attains 100% efficiency at the Airfree air outlet.
• Airfree destroys mold, allergens, dust mites, bacteria, viruses, pollens, pet dender, tobacco, ozone and other organic pollutants.
• Filterless technology: No extra costs with replacement filters.
• It is completely silent.

Airfree

• SILENT OPERATION - Destroy airborne germs and odors without ambient noise
• IONIC PURIFICATION - Sanitize & remove 99. 9% of airborne allergens, irritants, and pollutants in your home - plus destroy cold & flu viruses, mold spores, and staph and strep bacteria.
• 3X CLEAN - Purifies the air in medium to large size rooms (up to 500 square feet) up to three times in one hour. Perfect for the home or office.
• FOREVER FILTER - Easy to clean, washable filter will save you money and lasts for years.
• ENERGY EFFICIENT - Sophisticated tower design uses less energy than a compact fluorescent bulb

Envion

• ✅ HOW IT WORKS: Thermodynamic TSS Technology, strong destroying power against mold, bacteria, viruses, pollen and organic allergens. Will also reduce indoor ozone levels. Enjoy better health and cleaner, fresher air. Great for reduction of allergy causing molds, toxins, spores, dog and cat dander.
• ✅ SAFE: Air purification unit doesn't emit ions, ultraviolet light or other harmful products back into the air. Airfree's new technology uses heat for purifying the air without making the room hot. Can be used in bedrooms with air conditioning units without a problem. Safe for pets and kids.
• ✅ COMPLETELY SILENT: Plug machine into wall and enjoy better air quality without noise. Easily use with comfort in the bedroom, dorm or a nursery for a good nights sleep. Quiet sound and special designs make it an ideal fit for an office, kitchen or bathroom indoors. Perfect for baby, kid or teen.
• ✅ FILTER FREE TECHNOLOGIES: Designed with advanced tech that does not use filters or fans allowing for low energy consumption. No extra costs from replacement parts, cleaners, sanitizers or maintenance. Enjoy green, eco friendly, high-efficiency function throughout your home with pure, fresh air.
• ✅ COMPACT DESIGN: Portable, compact and easy to use. Fits in with any decor or space. For best results, keep unit on at all times and in the same room. Use on tabletop, floor, counter or desktop. Provides ultra disinfecting protection against troublesome allergies, asthma and organic material.

Airfree

• SAVE MONEY AND THE ENVIRONMENT - With just 7.5W of ultra-low energy consumption and no costly filters to replace, the purifier is a bargain for you and the environment. Size: 17"(H) x 6"(W) x 7"(D).
• Electrostatic Ionizer Purification - Negative ions (O1) remove airborne pollutants as small as .01 micron such as allergens, pollen, mold, smoke, pet dander, unpleasant odors, dust, and other airborne irritants.
• Whisper Quiet Purification Fan and Night Light - Silently draws air in for purification and cleans and sanitizes the air around you.
• Carbon Filtration and Ozone Power (O3) < 0.05 ppm - Reduces odors, freshens the air, and absorbs volatile airborne pollutants.
• UVGI technology - Kills germs, viruses, bacteria, and other microorganisms that cause disease.

OION Technologies

• High Performance Hepa Grade Filter: Captures 99% of pet dander, dust, dust mites, pollen, and mold / mildew spores as small as 3 microns from the air.
• Easy to clean: Allergen reducing air purifier has a permanent Hepa-grade filter that easily vacuums clean.
• Compact, stylish design: Allergen reducing air purifier is perfect in the office or in rooms up to 160 square feet
• Versatile air care that fits anywhere: Position the unit vertically or horizontally to best fit in your bedroom, den, nursery, hallway or living room at home or at the office.
• Quiet and powerful: Use whisper clean for extra quiet operation at night, the medium setting or the quick clean setting for more powerful air cleaning.
• 3 versatile speed settings: Air purifier has three versatile speed settings that give you ultimate control. Use quiet setting at night or quick setting for powerful air cleaning.
• Use how you want, where you want: this air cleaner works standing up or on its side.

Hamilton Beach