Winix T1 Professional VS. Bissell air400 Air Purifier

Has a heavy duty True hepa filter – has been independently certified and proven to remove 99.97% of allergens, bacteria and VOCs to the size of 0.3 microns in size.

Timer can be scheduled – switches off air purifier after a particular period of up to 12 hours.

Room coverage is 1000 square feet. Ideal for large rooms within that range. Recommended to clean large spaces, offices, schools, other rooms etc

Uses AOC carbon filter to remove cigarette odor. Chemically absorbs all kinds of odor from cigarettes, cooking, pets, human perfumes etc

Covers a room size of 1000 square feet. Practically room sizes within that range can be cleaned. Extends to clean kitchen and other rooms.

Fights germs using patented Plasmawave system – neutralizes germs from the indoor air that cause health issues.

Removes all dust mites – they usually hide in mattresses, cushions, comforters and carpets.

Removes pet dander – usually tinny skin particles shed from pets. Creates harmonious living with pets.

Identifies and gets rid of pollen. Filters air to gather all pollen that can cause health risks like trigger allergies.

Removes smoke easily. Activates carbon contaminants to remove smoke through chemical absorption.

Removes fungal mold from living space. Environments with mold lead to health complications like : cough, stuffed nose and skin irritation

Combination of 6 filtration system like True Hepa filtration traps allergens. Allergen when breathed in leads to allergic reaction.

Operates powerfully but relatively quiet. Its noise level is 34 db on the lowest speed. Highest fan speed is 55 db.

Can be washed – it gathers dead skin and hair from the hair. Should be washed to prevent clogged and ineffectiveness.

Filter replacement is simple – make sure it is powered off before you pull out the filter for replacement.

Smart air quality detects quality of indoor air. Provides superior clean by automatically adjusting speed to suit quality of air.

Activate sleep mode at night. It dims the light in the room as it purifies the air.

On low speed, it uses 10 wattage and 200 watts on high speed. Save energy by running it on low speed often.

Has been energy start certified for low power usage. Saves you from heavy energy bills even when used full time.

Controls like language settings, volume and brightness. Comes with Sleep mode

Change filter indicator – turns on to remind you to change your filter.

Economical on the low speed settings – its smart sensor will place device on sleep mode to save energy.

Mixture of filtration stage is ideal for asthmatic people. Asthmatic attacks will be no more.

Built with wifi connectivity and WinixSmart app. Assists monitor and control air quality remotely.

Replaced once the bar is empty depending on usage

Features a child lock – prevents children from making changes to Winix T1

Built with various modes and controls that determine its effectiveness. Sleep mode releases zero particle emission and is ozone free.

Premium and compact design – won’t require much space for storage

17 x 17 x 39.8 inches

57 pounds