|Green Air Encore||Bissell air400 Air Purifier|
|Child Lock Function||No||No|
|For Large Rooms||Yes||No|
|Removes Cigarette Odor||Yes||Yes|
|Room Size and Airflow||Yes||Yes|
|Ideal for Asthmatic People||Yes||Yes|
|Eliminates Dust Mites||Yes||Yes|
|Removes Pet Dander||Yes||Yes|
|Gets Rid of Pollen||Yes||Yes|
|Filter Replacement Reminder||Yes||No|
|Easy Filter Replacement||Yes||Yes|
|Automatically Detects Airborne Particles||Yes||Yes|
|Size and Appearance||Yes||Yes|
|Filter Life - based on use||Yes||Yes|
|Controls and Modes||Yes||Yes|
Green Air Encore: Covers up to 1000 sq. ft. - It is equipped with a high-performance, 3-stage advanced air-purification system coupled with IonCluster Technology that helps to attack airborne microbes, bacteria, dust and other particles in-order to thoroughly purify your home air.
Bissell air400 Air Purifier: Room coverage is between 300 Sq.Ft & 400 Sq.Ft. It has a 3 stage filtration system which ensures that all small particles of about 0.3 micron are trapped and filtered. It also uses an activated carbon filter to capture and filter bad odors like cigarette.
Green Air Encore: True HEPA (High-Efficiency Particulate Arresting) filter that helps to capture up to 99.97% of bacteria, microbes, allergens and other particles less than 0.3 microns in-order to provide you with purely breathable air within your home at all times.
Bissell air400 Air Purifier: Uses a HEPA filter to capture 99.97% of air contaminants. It works hand-in-hand with the Pre-filter and an activated Carbon filter which captures Odor and germs. It will trap and pull in contaminated air through the back panel, filter it extensively and release it through the top vent.
Green Air Encore: It is ideal for Medium – Large rooms of up-to 1,000sq.ft. It has a powerful filtration-system that can optimally purify air in different room-sizes. So, if you have been looking for an air-purifier that can clean-up air within your large bedroom, living-room, kitchen or office, then this device will work perfectly for you.
Green Air Encore: Features an odor fighting filter that can effectively reduce on cigarette smoke, odor and other harmful off gassing VOCs including Formaldehyde and Benzene. This implies that this air-purifier will work perfectly for people living with smokers since it can eliminate the cigarette smoke and odor in just seconds in-order to keep your home smelling fresh at all times.
Bissell air400 Air Purifier: Features a 1 inch thick activated carbon filter to capture various household odors including cigarette odor.
Green Air Encore: It is designed to effectively purify air in both small and large rooms up to 1,000-sq.ft using its 3 air-filters. On the other hand, this device is equipped with a big air-inlet that pulls in air from different directions for purification and after releases purified air through a big-outlet in an upward and downward motion so that it can quickly reach all parts of your room.
Bissell air400 Air Purifier: Room coverage is between 300 Sq.ft and 400 Sq.ft. Air flow quality is great, the unit has an auto mode, but while in the auto mode, the CirQulate Syste offers thorough filtration basing on the quality of air in your home.
Green Air Encore: Is very economical and energy efficient because its uses only 58-Watts of power consumption to purify air in both small and larger rooms. So, in-case you have been searching for an economical air-purifier that is very efficient when it comes to cleaning-up your home-air then this device will work perfectly for you.
Bissell air400 Air Purifier: The unit is Energy Star Certified. It uses 75 watts only while on the highest mode and filters air in your room 3 times per hour. It also has a night mode function which turns off lights on the top of the unit when lights go off in your room.
Green Air Encore: Uses a true-HEPA filter and IonCluster Technology to destroy mite allergens and to maintain low levels of airway inflammation which makes it good for use by people with mild to moderate asthma. So, if you or the kids are suffering from asthma then this air-purifier will greatly help reduce on attacks by providing you with thoroughly clean-air at times.
Bissell air400 Air Purifier: Right, Its CADR is 279 for Smoke, 307 for Dust and 206 for pollen - so if you have asthma, you will find this unit relevant to your health.
Green Air Encore: This unit uses a True HEPA Filter to remove 99.97% of germs that are harmful to your health.
Bissell air400 Air Purifier: Gets rid of germs and bacteria that could cause harm to your health. The HEPA filter traps and removes 99.97% of air contaminants.
Green Air Encore: Yes it does eliminate dust mites - using the True HEPA filter
Bissell air400 Air Purifier: Captures and removes dust mites that hide in thick carpets, sofas, bed sheets, rugs ....etc.
Green Air Encore: Yes it does eliminate pet dander - using the True HEPA filter. So you can leave comfortably with your pets without worrying about Pet Dander. The Mesh Pre-Filter that can trap 99.9% of pet-hair and other particulate matter larger than 0.28mm hence improving on your home air-quality while increasing on the lifespan of the other two filters.
Bissell air400 Air Purifier: If you suffer from allergies and have asthma - You will notice a huge air quality change when you put this unit in your room. It will get rid of pet dander and dust in your home.
Green Air Encore: The True HEPA Filter captures and removes 99.97% of pollen
Bissell air400 Air Purifier: Uses the HEPA Filter to capture and remove pollen that gets into the air you breathe thus saving you from pollen related allergies.
Green Air Encore: This unit is equipped with a granulated carbon filter (odor fighting filter) that can effectively reduce on smoke, bad-odor and harmful off-gassing VOCs including; Formaldehyde and Benzene within your home.
Bissell air400 Air Purifier: Can detect and remove smoke from your room. This could be smoke from the kitchen or from a forest fire next to your home
Green Air Encore: This 3 stage air filtration purifier uses its True HEPA filter to remove Mold by 99.97% success rate.
Green Air Encore: It is a bit affordable compared to other high-end air-purifiers within its range
Bissell air400 Air Purifier: YES. It is not expensive.
Green Air Encore: Filter change indicator will let you know when it’s time to change the HEPA and the Carbon multi-functional filters in-order to maintain maximum efficiency
Green Air Encore: This device uses a True HEPA Filter and IonCluster technology to capture and remove allergens and airborne microbes, purify your air and to even aggressively kill any bacteria within air in-order to provide your home with complete supply of purely clean breathable air.
Bissell air400 Air Purifier: Uses its HEPA air filter to capture 99.97% of air pollutants including allergens of all types. , it will trap and remove those small allergens that pets release from their saliva and dander.
Green Air Encore: Has a silent-mode and night-mode that ensure quiet operation in-order to provide you with a more comfortable sleeping experience. So, this makes the air-purifier perfect for use in the bedroom where optimum silence is required.
Bissell air400 Air Purifier: Runs quietly and it switches off its indicator lights when you switch off light in your room. You will sleep comfortably without getting any noise pollution.
Green Air Encore: Its washable pre-filter that can be easily removed to easy cleanup under tap-water. In fact, this pre-filter helps to capture large particles so as to extend the life of the other 2-filters.
Bissell air400 Air Purifier: The pre-filter is washable. It traps large particles so that they don't reach the HEPA filter and carbon filter. You can wash it once every week.
Green Air Encore: Easy access to the filters whereby you don't need to detach any parts of the device during the filter-changing process thus making this air-purifier very user-friendly.
Bissell air400 Air Purifier: Simply open the purifier from the front panel and remove the old filters to be replaced.
Green Air Encore: Features an auto-mode function that uses air quality sensors to identify modifications in air composition and then start the purification automatically so as to maintain good air quality all day long.
Bissell air400 Air Purifier: While in auto mode, the unit's sensors will always be on alert of air contaminants. Once the sensor detects a change in air quality, it adjusts fan speed to increase suction power of the unit.
Green Air Encore: 58-Watts power consumption rate that makes it very energy efficient yet effective when it comes purifying air within your home
Bissell air400 Air Purifier: Uses only 75 watts while on its highest mode
Bissell air400 Air Purifier: Yes, it is energy start certified – your power bills won’t go up the roof.
Green Air Encore: Dimensions of 25H x 7.5W x 14L inches coupled with an elegant and modern look that will make your living-room, bedroom, office or kitchen look great while getting clean breathable-air at all times.
Bissell air400 Air Purifier: Unit Dimension is 16.13 x 9.75 x 24 inches. Control buttons are well positioned at the top and the AirQuality display is positioned at the front panel so you can easily know the quality of air in the room.
Green Air Encore: The HEPA and the Carbon multi-functional filters require replacements every 6-months depending on usage.
Bissell air400 Air Purifier: On average it is 6 months.
Bissell air400 Air Purifier: Its called a Night Mode. The unit will detect that your room has got dark, so the white lights on the top of the unit will turn off and also the color wheel will go dim.
Green Air Encore: Non-Ozone based air purifier - this implies that it won't give-off substances that may deplete the earth's protective ozone layer
Bissell air400 Air Purifier: YES
Green Air Encore: Features 4 operating modes of; AUTO, FAN, NIGHT and SILENT which can all be set using the integrated buttons. The AUTO mode automatically keeps your indoor-air as clean as possible, the FAN-mode helps to provide optimum air-cleaning results. NIGHT and SILENT modes help to ensure quiet operation.
Bissell air400 Air Purifier: All controls are found at the top of the unit. Modes include: Auto mode (auto detects air contaminants), Turbo mode (highest mode) and Silent mode (lowest mode - ideal for night time when you're sleeping).
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