Okaysou AirMax8L H13 True HEPA Air Purifier Review: Under $100?

Last updated on September 7th, 2021

The starters

There is more than meet the eyes with the Okaysou AirMax8L air purifier. At first glance, it may seem like a typical air cleaning device, but underneath the 12.9 inches width and 19.4 inches height is an ultra-duo filtration system that can break down even the toughest pollutants and gases. To support the 5-stage filtration, a bigger turbine is fitted into the machine that pushes the weight to 13.7 pounds. Heavy but still possible to move it around for a room to room purifying. The bottom air inlet is nicely hidden from the clean white exterior without having to compromise on the airflow distribution. Overall, the build quality is good with no sign of off-gassings.

Moving to the top controls, you have the standard 3 fan speed plus speed mode, child lock, timer, and a filter replacement indicator. Child lock is a nice feature to have that prevents children from messing with the setting and the 4 preset timers are very useful to manage the air purifier running hours. The sensitive intelligent filter replacement indicator is great to remind you to change the filter when it is damaged or worn out. An air cleaner with a dirty filter is as good as useless.

Let’s round up the other features you will find in this affordable air cleaner. For a start, the safety assurance CE, FCC, and ETL are all here. Okaysou AirMax8L is also CARB certified to be 100% Ozone Free. Finally, an impressive 5 years warranty with lifetime US-based customer support is well appreciated to quickly resolve any issue.

Airflow, speed, and CADR

Combining an advanced turbine motor and Ultra-Duo filtration system, Okaysou AirMax8L deliver an abundance of air cleaning power via the 3 adjustable fan speed. At 1.5 air changes per hour, the air purifier can cover up to 800 square feet of room size. Suitable for living room, basement, garage, kitchen, bedroom, lounge, and dining area. For an asthmatic person or people with severe allergies, you can increase the air count so clean air can be delivered faster. As such, the purifying coverage will drop to 500 square feet at 3 air changes per hour and 320 square feet at 5 air changes per hour. The clean air delivery rate (CADR) is equally as impressive as the airflow circulation. All dust, smoke, and pollen are rated at 210 cfm by AHAM, exceeded our 200 cfm benchmark. There is no air purifier in the market that offers such capacity at this price point. The only letdown is the lack of auto mode that can come in handy for those that does not like to tinker with the setting.

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What’s inside count

It comes as a surprise that Okaysou AirMax8L manage to fit in a 5-stage Ultra-Duo filtration system despite being so affordable. Starting with the fine preliminary filter that traps large particles like dust, hair, debris, and pet fur. The washable pre-filter is also designed to protect the HEPA filter from being damaged by unwanted particulates. Moving to the highlight, the medical-grade H13 HEPA filter will capture 99.97% of microscopic particles as small as 0.25 microns e.g. pet dander, dust mite, pollen, mold spore, germ, bacteria, and virus. To inhibit the captured mold and germs from spreading, the coated antibacterial filter will inhibit microbes' growth. For smoke particles, the carbon filter is there to remove cooking smells, stinky diapers, and pet odor. Lastly, the cold catalyst filter eliminates toxic fumes and chemicals like formaldehyde, VOCs, benzene, ammonia, and hydrogen coming from cigarettes, paint, outdoor pollution, and cleaning product. Overall the filter quality is decent despite being slightly thinner and smaller than usual.

Keep it down

Here is another strong point of the Okaysou AirMax8L air purifier. The latest Silenceboost quiet technology produced less noise and less energy than its competitor model. At the lowest speed, noise output is a whispering noise of 22 dBA and not more than 51 dBA at full speed. For everyday use, set it to second or third speed that will strike the balance between performance and noise. For night use, set it to sleep mode before you hit the bed. Enjoy breathing in cleaning air the whole day without any interruption.

Taking into consideration how powerful airflow output is, Okaysou AirMax8L is averaging 50 watts per hour. Even if you leave it running all day every day, it will have little impact on your electricity bill. Doing some simple math, the cost is around $0.1 dollars per day with 12 hours of operation, or $3.2 dollars a month, $38 a year. For the recommended 24 hours running time, multiply everything by 2 so $0.2 per day, $6.4 a month, and $72 a year.

At what cost

There are so many other models that charge more but offer way less. Okaysou AirMax8L H13 True HEPA air purifier is retail around 120 but you can easily get it under 100 dollars. For such a low price, you'll get a decent filtration performance and a must-have top-grade H13 True HEPA filter. Filter replacement cost is also on the lower side between 38 to 72 dollars depending on usage hours and room air quality. Even though the filter available is limited, you can still find the filter replacement set online via Amazon.

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