Blueair Classic 605 Air Purifier VS. KOIOS Large Air Purifier

Features a patented HEPAsilent-technology particle-filter that uses electrostatic and mechanical filtration to eliminate 99.97% of airborne-pollutants.

The downloadable Blueair-Friend-App will let you choose when to you want the air-purifier to run and on any given speed.

It’s designed for use in large rooms with sizes 700sq.ft and 800sq.ft. Additionally, it’s AHAM-rated at 775sq.ft making it perfect for use in large living-rooms and bedrooms.

Uses an optional SmokeStop carbon activated filter to eliminate cigarette-odor and other VOCs (gases) within your house.

Designed for use in medium-to-large rooms between 700sq.ft and 800sq.ft. It also uses a SurroundAir-system that takes in air from the bottom and sides while releasing clean-air at the top and sides.

Uses particle-filter with HEPAsilent technology to capture 99.97% of airborne particles like; germs down to 0.1-microns.

Its HEPAsilent-Particle-filter helps to capture 99.97% of airborne-particles down to 0.1-microns including; dust-mites. In fact, it has a Dust-CADR of 850m3 per hour.

Uses particle-filter with HEPAsilent technology to capture and eliminate 99.97% of airborne-pollutants including pet-dander in-order to help you live comfortably with pets.

Its HEPAsilent-particle-filter helps to remove 99.97% of airborne-pollutants including pollen.

It uses a SmokeStop-filter to create an extra-level of activated carbon filtration in-order to remove smoke from your house.

Uses a particle-filter with HEPAsilent-technology to capture 99.97% of air airborne-pollutants including mold.

It uses a HEPAsilent particle-filter that combines an electrostatic charge and mechanical filtration to effectively remove airborne allergens and pollutants.

It ensures whisper-quiet operation so as to allow you sleep easier without disruption. In fact, this device features whisper-silent filters that ensure maximum airflow.

This device requires very little maintenance and changing its filters takes only seconds without requiring any complicated tools.

You can add an optional Blueair Aware air monitor to allow this device to automatically monitor air-quality while sending updates in real-time to your phone so that can take necessary action.

With Night-Mode scheduled, this device will be whisper silent and emit no light so that you can enjoy your sleep at night.

It uses 15-watts on speed-1, 60-watts on speed-2 and 100-watts on speed-3. This makes it very energy efficient and economical.

Its Energy-star rated for low energy consumption specially when operating on speed 1 and 2.

It features a new flip-top display with different touch-controls and LED-indicators. In fact, it has 3 fan-speeds, Wi-Fi, filter-change-indicator and power-button.

Features a filter change indicator light that will alert you when it’s time to change the filters.

This unit is very economical because it uses only 15-watts on the lowest-speed-setting and 100-watts on the highest-speed-setting

Uses a patented HEPAsilent particle-filter to eliminate 99.97% of airborne-pollutants that cause asthma and other allergies.

This device is compatible with Amazon-Alexa so as to facilitate for remote voice-control while at home. It’s even compatible with other smart-home-systems like; IFTTT.

It can be remotely controlled via the Blueair-Friend-app installed on your Smartphone but it requires connecting both devices on a Wi-Fi network.

It is recommended to replace all filters every 6-months or depending on use and the air-quality of the area you live in.

Has a child-lock feature that can be set from the mobile-App in-order to ensure optimum safety in homes with kids and pets.

This unit is certified by the California Air Resources Board for no ozone emissions.

Features a sleek, Swedish style, tower-shaped body with a new flip-top display featuring touch-controls and different LED-indicators. It also features a galvanized steel housing with powder-coated finish.

Has dimensions of 26"H x 20"W x 13"D. It also features a tower-shaped-body with a new flip-top display featuring touch-controls.

Has a weight of 16kgs (31-Lbs) coupled with castors wheels which makes it easy to move around your house.