Germguardian AC4020 VS. Winix NK100

Comes with a True HEPA Filter that helps to capture 99.97% airborne-pollutants up-to as 0.3-microns.

It uses a CD Carbon Filter to eliminate different household-odors including; cigarette-odor so as to keep your home smelling fresher.

It’s designed for use in small-to-medium sized rooms of up-to320Sq.Ft. Likewise, it takes in polluted-air from sides for purification and after gives-off clean purified -air from the top-section.

It uses PlasmaWave-Technology and a True HEPA Filter to eliminate germs, bacteria and other indoor air-pollutants.

The True HEPA Filter helps to eliminate 99.97% dust-mites while the Pre-Filter helps to trap large dust-particles.

Its True HEPA Filter will help to capture 99.97% of airborne-pollutants including; pet-dander.

The True HEPA Filter can destroy airborne-pollutants like pollen down to 0.3-microns at an efficiency-rate of 99.97%.

Its CD-Carbon-Filter coupled with PlasmaWave-Technology will help to get rid of cooking-smoke, cigarette-smoke and other household-odors.

Its True HEPA Filter helps to eliminate mold-spores at efficiency of 99.97% and down to 0.3-microns so as to keep your home fresh and clean.

It can trap and eliminate 99.97% of allergens and other airborne-pollutants using a True HEPA Filter coupled with PlasmaWave-Technology.

This device can be whisper-silent on sleep-mode with only 33.7-DBs and it’s also really quiet when running on turbo-mode with only 52.7-DBs.

Its 360 degree all-in-one filter is very easy to access and replace by simply removing the side-panel without needing any complicated tools.

It uses an Auto-mode and Smart-Sensors to monitor indoor air-quality and after automatically adjust fan-speed so as to equalize any airborne-pollutants and create a clean-air environment.

At night-time, this unit can be set to sleep-mode in-order for it to operate at lower fan-speed with dimmed-lights to help you achieve a quieter and comfortable sleep.

It uses only 46-watts on the highest fan-speed (Turbo-mode) and about 5-watts at lowest fan-speed (sleep-mode). It also has a power-voltage of: 110-120V.

This unit is Energy Star Rated for its low power-consumption with only 46-watts at the highest speed setting and only 5-watts at the lowest speed-setting.

It features touch button controls at the top-section and these include; Mode (Manual-Operation, Auto Mode, Sleep Mode), Child-lock, Check-Filter, Power and several SmartSensors and LED-lights.

The Change-Filter-Indicator will light-up to help you instantly know when it’s time to replace the filters.

Since this device is ENERGY STAR certified, it does not take a lot of energy to run and this makes it very economical.

This unit is very affordable compared to other advanced air-purifier brands with similar features.

It’s very ideal asthmatic-people because it features a True HEPA Filter and PlasmaWave-Technology to eliminate 99.97% of allergens.

Its 360-degree All-in-One Filter should be replaced annually or depending on the air-quality-levels within your environment.

When the Child Lock feature is enabled, the control panel will be locked so that settings can’t be changed.

This device is ozone-safe and it even uses PlasmaWave-Technology to eliminate airborne-pollutants without emitting harmful-Ozone.

It has a circular, conical tower-shaped structure with a display-control-panel at the top-section coupled with an air-quality LED-lights & SmartSensors. It also has a white-body made of ABS-plastic.

Has a dimension of: 12.2”W x 12.2”D x 29.45H which makes it very slim and portable. It also features a white, conical-tower-shaped body made of durable ABS-plastic.

23.1-pounds coupled with carrying-handle for easy to lifting and movement from room-to-room.