Germguardian AC4020 VS. Coway AP 1512HH

Uses a True HEPA filter which is very effective at removing odors, dust, smoke, pet dander, pollen and allergens that could make you sick.

The timer will let you schedule 1/4/8/12 hours so that you can choose the best time of operation.

It is quite a compact unit with the ability of covering a large room of about 528 Sq.ft

The unit uses a deodorization filter to eliminate cigarette odors and other harmful gases from your home.

The recommended room size is 528sq.ft With an Airflow rate of: 7.6CMM.

The True HEPA filter is very effective at removing germs and bacteria that find their way into the air you breathe.

It can easily detect, capture and remove dust mites thus saving you from allergies that are triggered by these small creatures.

Pet dander will be captured and removed by the Washable Pre Filter & True HEPA filter thus saving you from Pet dander allergies.

This unit can easily capture and remove pollen using a True HEPA Filter in-order to provide you with fresh and clean breathable air.

The Deodorization filter will eliminate smoke and all harmful gases from your house. This makes the coway a perfect device for use in the kitchen.

It can eliminate mold spores by filtering airborne spores from the air using a True HEPA Filter. Coway can filter mold spores from any room.

No Allergen will escape Coway without being detected because this device uses a pollution-sensor to detect any allergens or pollutants within air.

With a noise level of Noise level: 24.4 - 53.8 dBs, Coway operates silently and effectively when purifying air in your room.

It has a washable Pre-filter that captures large sized particles and needs to be washed the every 14-days to ensure optimum performance.

Yes, you don’t need a tech guy to do filter replacements for you with this device.

Uses an intuitive air quality indicator which will show you the status air quality in your room and then the device will take necessary action.

On Coway it is called an Eco Mode and it is efficient and energy saving. In fact, this mode will save energy and cut electricity-bills.

This device features a Power-Consumption of: 4.9~77.8 Watts which makes it very energy efficient.

Yes, it is energy star certified for saving energy which implies that it will help you save a lot of money on electricity bills.

You can customize the functionality of the unit by selecting from any of these modes; Auto mode, Energy Saving (Eco mode), ion mode.

The Coway Air Purifier's Filter indicator will always alert you when there is a need for filter changes.

It’s an economical appliance with a Power consumption of: 4.9~77.8 Watts and it is Energy Star Certified.

Yes, it is very affordable and effective.

The 4 stage filtration system will always ensure that air in your room is always clean and safe to breathe making it perfect for asthmatic-people.

The Pre Filter is Washable and the Carbon Filter should be replaced after 6-months while the True HEPA filter should be replaced after 12-months.

It has a Vital Ion system which generates electrochemical reactions that reduce particles in the air without producing ozone.

It has a compact tower-design which makes it perfect for use in living room, apartments, and middle sized spaces.

It features a simple and compact design with dimension of 16.8Wx 18.3H x 9.6D inches.

It lightweight and only weighs about 8.82lbs which makes it easy to move in different rooms of your house.