Germguardian Ac4100 VS. Winix c555

It is equipped with an Anti-microbial True HEPA Filter that captures airborne-pollutants as small as 0.3-microns at an efficiency of 99.97%.

The included Timer-button will allow you to set the device to operate for either 1, 4 or 8 hours depending on your air-purification needs.

It uses a washable activated-carbon filter to trap and eliminate different household-odors including; cigarette-odor and other chemical-pollutants within air.

It’s designed for use in small-rooms of up-to 360Sq.Feet. It also features air-inlets on sides and outlets at the front coupled with a decent airflow-delivery-rate.

It uses PlasmaWave-Technology and an Anti-microbial Coating on the True HEPA Filter to help eliminate germs, bacteria and to prevent other microbes from growing.

It uses an Anti-microbial True HEPA Filter to trap and eliminate dust-mites while the FineMesh Pre-Filter traps large dust-particles.

Its Anti-microbial True HEPA Filter captures 99.99% of airborne pollutants including; pet-dander and other allergens as small as 0.3-microns to help you comfortably with pets.

It uses an Anti-microbial True HEPA Filter to remove things like pollen and other airborne-particles down to 0.3-microns at an efficiency-rate of 99.97%.

It uses a Washable Odor Control Carbon Filter to eliminate cooking-smoke, cigarette-smoke and other household-odors in-order to keep your house smelling fresh.

It uses an Anti-microbial True HEPA Filter and PlasmaWave-Technology to trap and eliminate mold-spores at an efficiency of 99.97% down to 0.3-microns.

It can trap and eliminate 99.97% of allergens and other airborne-pollutants using an Anti-microbial True HEPA Filter and PlasmaWave-Technology.

This unit can be very quiet when operating on the lowest speed-setting and even features a sleep-mode that ensures whisper-quiet operation with lights-off.

It comes with a Washable FineMesh Pre-Filter and Washable Odor Control Carbon Filter. Both filters must be washed every 3-months for maximum effectiveness.

It features easy to replace filters that can be accessed by removing the front-panel using simple tools like a screw-driver.

It features an Auto-mode that work with the Air-Quality-Sensor to consistently monitor the air around and then automatically adjusts fan-speeds in-order to meet your environmental-needs

It features a Sleep-mode that works with the light-sensor to automatically lower fan-speed and dim the control-panel display for quiet night time operation.

It has a total maximum energy-consumption rate of 65-watts which makes it very energy efficient and perfect for use in most homes.

It’s Energy Star Certified because it uses only 65-watts at the highest speed setting which makes it very energy efficient.

It features a control-panel at top-section with several modes like; Auto, sleep, PlasmaWave, Fan-speed, Timer and several LED indicators and sensors.

An integrated filter-change-indicator button will light-up to let you know that it’s time to replace the true-HEPA-filter & Washable Carbon Filter.

This unit is energy-efficient and will help you save a lot of money on electricity bills annually and this makes it very economical.

It is a bit affordable yet equipped with some of the best features. In fact, it competes with other more expensive and advanced air-purifiers on the market

It uses an Anti-microbial True HEPA Filter coupled with PlasmaWave Technology to effectively remove 99.97% of allergens which are the main causes asthma.

Includes a remote-control for convenient-operation within a 20-foot radius from the unit so that you can always control the fan-speed and modes without getting up.

The Anti-microbial True HEPA Filtration must be replaced every 12-months while the Odor-Control-Carbon-Filter & FineMesh-Pre-Filter must be washed every 3-months and replaced after 12-months.

It’s CABR-certified for being ozone-free. In fact, it uses PlasmaWave-Technology to neutralize airborne-pollutants without producing harmful ozone.

It has a simple tower-shaped body with a control-panel at the top-section featuring several button-modes, LEDs and sensors coupled with a bottom-stand and air-vents.

Has dimensions of; 14.9 x 7.8 x 23.6inches and this makes it very portable. It even features a white, nice-looking, tower-shaped-body made of durable ABS-plastic.

This unit weighs about 17.6-pounds and this makes it easy to lift and move from one room to another within your house.