Airfree T800 Review In 2022: The Affordable Compact King

The smallest and most affordable Airfree air purifier in the lineup. Unlike other conventional air cleaning machines, Airfree T800 is powered by a unique sterilization method that kills 99.99% germs similar to boiling water. A 100% filterless air cleaner, how safe is it and is there any catch we need to be aware of? How effective is the patented purifying technology works compared with a HEPA filter? Does it actually clean the air and alleviate our allergies woes? Find out all the answers in our Airfree T800 review below.
online price (US)**
±99.00 $$/ 7

(annual filter cost ±0)

** MRSP (Manufacturer's Suggested Retail Price)/ RSP (Retail selling price) is accurate at the time of posting.
^ Annual filter cost is calculated based on filter price and 12 hours of usage. Pricing could vary depending on air quality, usage frequency, and speed.
` The indicated online price guides as follows: $ = under $50, $$ = $50-100, $$$ = $101-200, $$$$ = 201-300, $$$$$ = $301-400, $$$$$$ = 401-500, $$$$$$$ = over $500.

Airfree T800 Specification

ProductAirfree T800
6.1 x 12 x 6.1 in
(15.5 x 30.5 x 15.5 cm)
Weight1.5 lb (0.7 kg)
Coverage (up to)180 sq. ft. (17 m2)
Airflow speed
Dust free (CADR)
Pollen free (CADR)
Smoke free (CADR)
Humidifying(H) speed
- Lifespan
- Replacement cost ($)
HEPA filter
- Lifespan
- Replacement cost ($)
Carbon filter
- Lifespan
- Replacement cost ($)
Ionizer/ TechnologiesPatented Thermodynamic TSS Technology
UV-light/ PCO
Other filter
All-in-one filter
- Lifespan
- Replacement cost ($)
Optional/ Addon
Noise levelSILENT
Power usage level33 W
Timer/ Scheduler
Auto mode
Air qualityAQ indicator
Filter change indicator
More color options
Wi-Fi/ BTBluetooth
Remote control
Child lock
Warranty2 years
Email/ Phone support

Key Features

  • Exclusive Patented Thermodynamic TSS Technology
  • Compact and lightweight
  • Filterless with no maintenance needed
  • Pure silent operation
  • No ozone or ion emissions during operation
  • 2 years warranty

Design And Usability

Airfree T800 dimension
6.1 x 12 x 6.1 in
(15.5 x 30.5 x 15.5 cm)
Airfree T800 weight
1.5 lb (0.7 kg)

“Unique in its own way” is the most accurate way of describing the Airfree T800 modern and distinctive exterior design. At only 1.5 pounds, 6.1 inches in diameter, and a height of 12 inches, this compact filterless air purifier will fit in well in any home decor. You can literally place it anywhere in your home or bring it out during travel.

Being a 100% Portuguese company with European made quality, the plastic fitting is tight with no off-gassing detected. Air inlet/ outlet is located at the bullet tip shape top for extensive air circulation. Unlike a conventional air purifier, Airfree T800 is very simple to operate. Just plug it into a power source and you can leave Airfree T800 air purifier quietly clean the air. A worry-free 2-year warranty that covers all parts and labor in case the air purifier does break down. The warranty period may vary depending on the country you are located in.

Airfree T800 is safe for children and pets as it does not emit ozone, ions, ultraviolet light, or any harmful byproducts back into the air. The advanced sterilizing purification technology will also not make the room any hotter despite the heating elements. No problem using it during the winter or summer with air conditioning turned on.

Pro tips on using Airfree T800, never place it close to a wall or under the window with direct sunlight. Also, never exceed the power voltage output of the air purifier. Preferably plug it into a single wall socket then a socket extension. If your T 800 is loosened or damaged, sent it to an authorized service center for repair. Lastly, ensure the air inlet/ outlet is not impeded or disrupted.

Airflow, Coverage, And CADR

Airfree T800 coverage
Purifying coverage
180 sq. ft. (17 m2)
Airfree T800 fanspeed

Airfree T800 is specially developed for smaller rooms so naturally it has the poorest purifying coverage within its Airfree range at only 180 square feet. This filterless air purifier is ideal for small room sizes like bedroom, kitchen, washroom, small garage, and basement. With only one fixed speed, the slow sterilization method is based on a gradual improvement to the air that could take days to complete the whole purification cycle. There is no auto mode, sleep mode, or any special setting presence in Airfree T.

BrandPurifying CoverageFan Speed
Airfree Lotus650 sq. ft.1
Airfree Iris 3000650 sq. ft.1
Airocide APS-300300 sq. ft.2
Air Oasis 1000 G3300 sq. ft.1

Recommended Read

Filters And Performance

Let's focus on Airfree T800 patented Thermodynamic TSS purification system. Similar to the concept of boiling water, the contaminated air containing liters of water will be drawn in via natural air convection. The microorganisms inside will be heated close to 400°F (200°C), destroying anything that stands within the mini-ducts. The pass-by air will be cool down inside the cooling plate leaving only room temperature sterilized air will be released out. this eco-friendly method requires no filter and will eradicate 99.99% of bacteria, viruses, mold, fungi, pollen, pet allergens, dust mites, and other organic matters within minutes. Airfree T800 also reduces ozone up to 26% according to an independent lab test in Sweden. The entire cleaning process requires no maintenance and all you have to do is to switch on the device and let it work on its magic. You should feel a gradual improvement in air quality after 24 hours.

Undoubtedly the most tested air purifier in the world through different ISO laboratories like Intertek from the USA, Guang Zhou Institute of Microbiology (CNAS) from China, and INETI Library from Portugal. Airfree T800 is frequently tested in real-life situations e.g. hospitals, hotels, offices, and homes rather than in controlled chambers laboratories. The weekly result will be analyzed, measured, and compared after the installation of Airfree T800.

Noise And Energy Usage

Airfree T800 noise level
Noise level
Airfree T800 power consumption
Power consumption
33 W

Without utilizing any fan in the process, Airfree T800 completely silent operation performs better than most conventional air purifiers. The gentle noise output is equivalent to a whispering sound that will not cause any disturbance. Most people will use it in the bedroom as that is the place we spend most of our time in. Airfree T is also ideal for living hall, clinic, basement, garage, nursery, and meeting room.

Airfree T800 sterilizing technology is also highly efficient at only 33 watts hourly. Achievable thanks to the energy-saving mode that automatically shuts down its ceramic core once it reaches the purification temperature. Suitable for 24x7 purifying as the power consumption is way lower compared with other household appliances. With 24 operation hours, the average electric cost will be $0.12 dollars per day, $3.6 dollars a month, or $43 dollars a year.

Noise TypeDecibels
Airfree T800SILENT
Breathing10 dB
Rustling leaves20 dB
Whispering/ Quiet library30 dB
Light rainfall40-50 dB
Conversation50-60 dB
Vacuum cleaner/ Hair dryer/ Washing machine65-80 dB
City traffic80-90 dB

Pricing And Maintainence Cost

Airfree T800 MRSP/ RSP
+- 99.00
Airfree T800 annual filter replacement cost
Annual Filter Cost
+- 0
^ Replacement filters/ estimated cost
A good starter Thermodynamic TSS powered machine with a weaker purification and applicable area. For less than 200 before any discount, Airfree T800 is the cheapest in the lineup due to its weak purification and applicable area. Being half the price of most Airfree models, you can easily afford more than 1 unit for more comprehensive room coverage. you do save up a lot in the long-run as there is no annual filter replacement cost. Just pay for the one-off fee and enjoy Airfree T800 for many years to come.
Being a European made product, there are limited ways you can get your hands on Airfree T800 filterless air purifier. Amazon is by far the best place to shop as it comes with an attractive price, free shipping, bundled deal, and used/ refurbished options. Airfree official website is also doable as it comes with all the usual perks including 30 days return policy. Otherwise, try buying one through your retailers like Home Depot, Walmart, Best Buy but make sure to check with them on the availability.

Airfree T800 VS The Challengers

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Airfree Onix 3000

Another Thermodynamic TSS model with purifying coverage up to 650 sq. ft. and anti-stress blue light. Bulkier body with a higher price tag.
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GermGuardian GG1100 Elite Review

GermGuardian GG1100W/ GG1100B

Pluggable UV-C Sanitizer that relies on a UV light bulb to kill germs instead of filters. Smaller, cheaper but has a very limited air cleaning range.
Airocide APS-300 Filterless Air Purifier Review

Airocide APS-300

Another filterless air purifier that uses NASA developed PCO technology to clean the air. Photocatalyst Oxidation is reliable, safe, and effective but costly to own and maintain.

Final Thoughts On Airfree T800

With less than 150 reviews on Amazon, 75% of the reviewer gave positive feedbacks on how fantastic Airfree T800 is in eliminating mold, spores, mildew, pollen, germs, dust mites, and pet dander. Other noticeable praises include the long-term durability and low price tag with no extra filter costs. There are also few users who praise Airfree T capability in removing chemical fumes like radon, ammonia, cigarette, and cooking smell. On the flip side, 17% users gave 1-2 star ratings complained about the purifying efficiency or doubt if the device is working at all. Take note that the percentage might seem high is because of the limited pools of reviews available.

To conclude, Airfree T800 is filter-free, small, unconventionally designed with average TSS airflow performance. Leaving it on all-day cleaning can greatly reduce alleviate allergies symptoms like cough, chronic sneeze, scratchy throat, skin rash, and itchy eyes. If you need a completely hassle-free, filterless air purifier that is also portable, Airfree T800 is worthy of your consideration.


  • Sterilize bacteria and viruses through Thermodynamic TSS Technology.
  • Most affordable Airfree filterless air purifier with zero maintenance.
  • Fan free zero noise operation.
  • Very small and compact at only 6.1 inches in diameter.
  • Low energy consumption at only 33 watts hourly.


  • Considerably expensive when compared with other Airfree models with way better coverage output.
  • Mediocre airflow purifying coverage with no addon features.
  • Slow, gradual basis purification that could take days to clean up pollutants in the room.
  • Weak against large particles like dust, heavy smoke, and odor.
Airfree T800 Air Purifier Review

Max Fernandez

A loving father and a dedicated reviewer for airfuji.com with more than 1000 air purifiers under his belt. Max Fernandez is also one of the million patients currently suffering from asthma. Feel free to nudge him if you have any questions.
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