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Bedroom Machine Air Purifier


the ULTIMATE in air purity


Bedroom Machine (NSF) Air Purifier

Austin Air’s Bedroom Machine is the most advanced filtering system that they have ever designed. It was built to meet the requirements set out by the Johns Hopkins University Medical School for ongoing studies in which the filtering system must capture gasses and particles at the sub-micron level. There is a growing body of evidence that our modern homes are producing exorbitant amounts of micro-particles. It is believed that a substantial reduction of these particles will be beneficial to our health and our ability to have a more restful sleep. Every minute, over 250 cubic feet of air passes through 15 pounds of activated carbon and over 60 square feet of true medical grade HEPA, providing air so clean it could change how you sleep, which could change your life. If it doesn’t, Austin Air will refund your money within 30 days of purchase!

Due to the addition of a fifth level of filtration this unit does a superior job trapping pet dander, pollen and dust mites; chemicals like benzene, ammonia, dry cleaning solvents and other harmful toxins; and odors from cooking and other sources.
STAGE 1 – LARGE PARTICLE PRE-FILTER removes particles easily seen by the naked eye (e.g. dust, hair and pet dander)
STAGE 2 – MEDIUM PARTICLE PRE-FILTER removes small to medium size particles (e.g. molds, spores and pollen)
STAGE 3 – ACTIVATED CARBON (15 lb) removes chemicals, gases and odors (e.g. sulfuric acid, ammonia), traps smoke and VOC particles.
STAGE 4 – TRUE MEDICAL GRADE HEPA (60 sq ft) removes harmful micro-organisms (e.g. bacteria and viruses)
STAGE 5 – HEGA CARBON CLOTH High Efficiency Gas Adsorption cloth removes chemical pollutants and provides an extra level of filtration before the purified air is sent back into the room.

The Austin Air Bedroom Machine was used in clinical trials at the University of John Hopkins to reduce Nitrogen Dioxide levels in the homes of local residents. Nitrogen Dioxide (NO2) is a gas often present in homes where there are gas stoves. High levels of NO2 are particularly dangerous for people with COPD. The gas can dramatically increase symptoms of coughing, wheezing and chest tightness. The results were dramatic. NO2 dropped in the kitchen by 27% and continued to stay low for the length of the study. Within a week NO2 levels in the bedroom dropped by 23%.

In a second study at Johns Hopkins, the Bedroom Machine was placed in the homes of women, living with a smoker, who were either pregnant or with very young babies. Again the results were impressive. It was clinically proven that running an Austin Air Bedroom Machine will effectively remove indoor pollutants from the home, including nicotine.

  • Bedroom Machine (HM402) cleans up to 1500 square feet. Height: 23″ | Width: 14.5″ x 14.5″ | Weight: 47 lbs. | Fan Rating: 400 cfm
  • 99.97% efficient at removing particulates as small as 0.3 micron, 95% efficient in removing particulates 0.1 micron and smaller.
  • FREE GROUND SHIPPING in the continental USA. Contact us for a quote to other areas and expedited shipping.
  • 30-day, no-questions-asked, money-back guarantee (RA number is required, $25 restocking charge) | 5-year mechanical warranty | 5-year pro-rated filter warranty
  • See model comparison chart | purchase replacement filter

When to replace your Austin Air filter

Austin Air filters are designed to last up to five years under normal residential use. Many air purifiers on the market today come with an indicator that tells you when to replace the filter. These devices provide only a measurement of time, not a true indication that the media is exhausted. To know when it’s time to replace an Austin Air filter, watch for a change in smell when it’s running; normally a sweet or sour smell, or an odor of ammonia or vinegar, indicates the unit needs a replacement filter.


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