Dyson Pure HOT Cool HP04 VS. AIRMEGA 400s HEPA Air Purifier

Has a sealed hepa filtration system. Captures 99.97% of particles down to a small size of 0.3 microns. Teams up with activated carbon filter that eliminates odor and other pollutants.

Automatic on/off timer – can be scheduled in advance to clean for specific time. After which, automatically powers off.

Large room size of 290 square feet. Will purify air within this range without missing a spot.

Removes cigarette and household odor. Detects indoor odor and filters 99.97% of them into the system.

Has a room of 290 square feet. Will distribute over 77 gallons of powerful airflow per second. Uses 350 degree oscillations to direct airflow to areas that you require more cleaning.

Fights germs, bacteria and viruses – eliminates germs to a size of 0.3 microns. Removes germ contamination from your air space.

Eliminates dust mites easily. Captures and traps dust mites using sealed hepa filtration system. relieves you from nasal congestion, sneezing, coughing etc.

Removes pet dander – makes it easy to live from pets. Gathers pet dead skins, hairs etc and locks them inside filters.

Gets rid of plant pollen – grass, trees flowers etc. Eliminates powered forms of pollen to relieve you from pollen allergy.

Cleans smoke from indoor air – cigarette, cooking, wildfire smoke. Smoke dangerous to eyes, throat, lungs and hearts. Ideal for indoors with smokers and other smoke.

Removes mold fungus – eliminates all colors of mold. Saves you from constant reactions like skin irritation, wall and floor damages in damp areas.

Captures allergens – uses sealed hepa and activated carbon filter to trap 99.97% allergens to tiny sizes of 0.3 microns. Allergens dangerous to asthmatic people.

Purifies air with quietness – awarded with noise reduction QuietMark certification.

Remove the filter from the device after opening it. Place the new filters inside and close the device. Power it on and continue purifying indoor air.

Automatic sensor – detects air pollution events and kicks off purification. Displays air quality levels on LCD. Includes ultrafine PM2.5 particles, VOCs, PM10 of allergens and NO2.

Sleep mode – reduces the lights of the device and activates quiet mode. Enjoy restful sleep throughout the night.

Uses wattage of 44 watts on maximum speed settings. Saves energy by using little electricity as it purifies.

Has multiple controls and modes that make it operational. Features Auto mode, night time mode, backward airflow mode, thermostatic control, wi-fi and Alexa connection.

Filter replacement reminder - Device mobile app will notify you on your Smartphone. Alerts once it’s time to replace filters. Eliminates guesswork

Consumes only 44 watts to save on power consumption. You will not end up with skyrocketing levels of power bills.

Removes the need for constant use of steam inhalers. Uses 2 stage filtration system to destroy airborne particles that trigger asthmatic attacks.

Alexa compatible – allows the use of voice commands to operate the air purifier.

Mobile app through Wifi and Alexa – provides remote control from anywhere you are located. No need to keep walking to the device.

Filter life takes a year before replacement. Will take less if used more than 12 hours a day on multiple speed modes. Authentic Dyson filters are recommended.

Ozone free – doesn’t produce UV or any ions that create ozone. Safe to breathe air while it freshens.

Sleek compact and stylish design – has a modern and unique design that will suit every interior and requires small storage space.

9.8 x 8.1 x 30.1 inches

19.07 pounds