Sharp FXJ80UW Air Purifier review: Breathe easier in big rooms

Sharp FXJ80UW Air Purifier review: Breathe easier in big rooms

Indoor air quality has taken on heightened importance during the COVID-19 pandemic. Studies consistently show that air inside homes is worse than the air outside, so being homebound potentially increases the risks of allergic reactions or of exacerbating conditions like asthma. The Sharp FXJ80UW air purifier aims to have you breathing easier—literally and figuratively—with a two-pronged approach to eliminating common airborne allergens as well as bacteria, viruses, and mold. But while it’s packed with solid features and technology, it can often feel complicated to operate.

The FXJ80UW is a big air purifier for big rooms. Designed to clean the air in rooms up to 502 square feet, the unit measures 28.7 x 16.4 x 11.5 inches (HxWxD) and weighs 23.8 pounds. An appliance of this size will be noticeable wherever you put it, so the best you can hope for is that it doesn’t drag down your décor with an ugly industrial look. The FXJ80UW succeeds at this with a simple design that puts most of the buttons and settings on the top panel, where they’re out of sight until you’re standing right over it.

That panel includes everything you need operate the air purifier, including the power button and controls to adjust the fan speed, cleaning modes, and the front display. There’s also a button here to lock the panel, so no one can change your settings. Beneath the panel on the front of the unit is an air quality monitor light that changes color on a spectrum of blue to red to indicate the “air purity” of the room. At the extreme ends, blue means everything is great and red means it’s probably past time to open some windows.

sharp fxj80uw Sharp

The FXJ80UW is a big purifier for big rooms—it can clean the air in spaces up to 502 square feet.

The front display under this light provides greater detail about your indoor air quality, including changes in the levels of dust, odor, PM2.5 (particles smaller than 2.5 microns), temperature, and humidity. It can also tell you how much power the unit is consuming by the unit, when the filter needs to be replaced, and how much time is remaining when using the timer setting. There are enough functions and settings to recommend you hold on to the user manual until you get familiar with them all.

The FXJ80UW uses a two-step process to clean your air—HEPA filtration and Sharp’s Plasmacluster Ion Technology. The first passes air through a pre-filter to trap dust and other large particles, then through an active carbon deodorizing filter, and finally a HEPA filter that’s certified to capture 99.97 percent of particles small as 0.3 microns.

The Plasmacluster technology uses a Plasmacluster Ion-Generating Unit on the side of the machine to split water molecules into positively and negatively charged ions that are diffused throughout the room to breakdown germs, bacteria, fungus, mold, viruses and other pollutants, and then return to the air as water vapor. Sharp says this technology reduced 94 percent of E.coli bacteria, 84.3 percent of Staphylococcus Epidermidis, and 87.7 percent of Penicillium Citrinum, a common mold, during testing in in a closed laboratory over a four-hour period.

The purifier has a Clean Air Delivery Rate (CADR) of 334 cubic feet per minute (CFM) for dust, 324 CFM for smoke, and 361 CFM for pollen. CADR reflects the purifier’s effectiveness at removing indoor air pollutants based on room size and the volume of clean air produced per minute. Generally, the higher the CADR number, the more effective the purifier is.

sharp fxj80uw panel Sharp

You can control various features and functions by using the buttons on the control panel in various combinations, so don’t throw out he user manual.

The FXJ80UW includes Amazon Alexa support and enables voice commands for turning the purifier on and off as well as activating its various cleaning modes.

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