Alen BreatheSmart 45i VS. Winix 5500 2

It uses a True HEPA Filter, Odor Reducing Carbon Filter and WINIX PlasmaWave Technology to filter 99.97% of air contaminants

The Set and Forget function allows you to time and schedule the machine - you don't have to worry about air quality when you're not at home.

Uses its 3 stage air purification system to get rid of Cigarette Odor.The Coated Deodorization Carbon Filter reduces VOCs and household odors from cigarette smoking, cooking, and pet urine.

Room coverage is 360 sq. ft. AHAM Verified & CADR Rating for Dust - 243 sq.ft, for Pollen - 246 Sq.ft, for Smoke - 232 Sq.ft

Its PlasmaWave technology creates Hydroxyl to neutralize germs, bacteria, VOCs, gases and odors

These will be captured and eliminated by the True HEPA Filter because Dust mites are very small in size - about 0.3 microns in size.

The True HEPA filters will capture 99.97% of all airborne particles including pet dander that comes from your pets.

The True HEPA Filter will get rid of pollen thus save you from pollen related allergies such as flu, sneezing and blocked nose.

Does not matter if the smoke is from the kitchen, cigarette or wild fire - Winix 5500-2's True HEPA Filter will trap and remove 99.97% of smoke.

Can remove mold using its powerful True HEPA system.

The TrueHEPA filter traps 99.97% of Allergens that could make you sick thus make the environment you leave in safe.

The unit operates quietly while in auto mode - so you won't lose your sleep

Uses Washable Advanced Odor Control carbon filters which should be cleaned every after 14 days; these pre-filters are permanent.

All you have to do is to turn off the air filter before removing filters. After that - remove the front panel by pushing its upper edge and slowly pull forward.

Has SmartSensors that monitor air quality 24/7. So the moment contaminants get into the air you breathe, the unit will automatically increase fan speed to capture allergens.

You can easily press the Mode button on the control panel to select Sleep mode. You will see a LED ''Sleep'' light indicating Sleep mode is activated.

70 Watts, Power Voltage - AC120V/60Hz

Yes it is energy star certified

(1) Auto Mode - enables auto operation .(2) Sleep Mode - once it's in the sleep mode, the Air Quality Indicator LED light is disabled and the fan speed is automatically set to LOW.

Has a filter replacement reminder which notifies you when it’s time to replace air filters.

The unit is Energy Star Certified - it uses very little power to clean and filter air in your room. Its True HEPA filter & AOC Carbon Filter lasts up to 12 months and the Pre-filter is Permanent.

Yes, it is one of the best affordable air purifiers on the market.

The True HEPA filter and PlasmaWave Technology work hand-in-hand to break down allergens, odors, indoor pollutants, chemical vapors, dust, dust mites, pet dander and other related air contaminants

Control this unit with a remote control. Things you can do with this remote control include; turning ON/OFF the unit, Enable Auto Mode and Increase Fan Speed.

Both the Carbon filter and True HEPA filter last up to 12 months.

Yes, it does not emit off bad gases.

Simple Design - With a 3 Stage Filtration System

15 x 8.2 x 23.6 in

15.4 lbs