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Austin Air Bedroom Machine Air Purifier (HM402)

Price: $764.99
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  • Product Overview

    Breathe easy and sleep soundly with the Austin Air Bedroom Machine Air Purifier – also known as the National Sleep Foundation Bedroom Machine. While you sleep, this air cleaner rids the air of common allergens and odors that trigger allergy and asthma symptoms and heighten multiple chemical sensitivities (MCS). Designed to clean the air in spaces up to 1,500 square feet, the Bedroom Machine captures nano-sized particles and absorbs harmful odors and chemicals, so you can rest easier.

    The Austin Air Bedroom Machine Air Purifier:

    • Features the highest level of filtration in any Austin Air purifier
    • Removes dust, pollen, tobacco smoke, chemical vapors, gases, viruses, bacteria, and more
    • Uses a 360-degree filtering system that draws air in from all sides of the unit and passes it through a 5-stage filter for the most thorough air filtration
    • Traps 99.97% of airborne particles as small as 0.3 microns and 95% of particles that measure 0.1 micron and smaller
    • Needs a filter replacement only once every 5 years, making it an economical choice
    • Requires minimal maintenance

    Relieves Overnight Allergies, Helps You Sleep Better

    The Austin Air Bedroom Machine—also known as the Austin Air HM402 Air Purifier—uses Austin Air's signature 360-degree progressive filtering system to remove the most symptom-aggravating allergens, odors, and chemicals from your home. With steady use, you'll get relief from your symptoms or even eliminate them all together both during the day and while you sleep. Every minute, the system pulls in room air from all sides of the air cleaner. Air passes through a 5-stage HEPA/carbon combination filter and is blown back out into your room using the Clean Air Pocket vent. This extensive filtration system cleans your air faster and more efficiently than conventional air purifiers, which means quicker relief from your symptoms.

    The Bedroom Machine Air Cleaner 5-stage combination filter includes:

    • PERMAFILT Pre-Filter - During stage 1, air passes through a cotton PERMAFILT pre-filter, which captures particles easily seen by the naked eye, such as large dust and pet dander particles.
    • Medium Particle Filter - Next, a medium particle filter traps small- to medium-size allergens, such as mold, pollen, and dust mites.
    • Carbon Blend Filter – Next, air moves through a 15-pound carbon and natural zeolite filter where odors, chemicals, gases, fumes, and VOCs are absorbed and locked away.
    • Medical-Grade HEPA Filter - Air then glides through 60 square feet of true medical-grade HEPA (High Efficiency Particulate Air) material where it is scrubbed free of harmful bacteria and viruses as well as smaller pollen, mold, pet dander, dust, and ragweed particles.
    • HEGA Carbon Filter - Lastly, a HEGA (High Efficiency Gas Absorption) filter constructed of military-grade activated carbon cloth acts as double protection against odors, gases, chemicals, and VOCs.

    Overall, this long-lasting combination filter eliminates 99.97% of airborne pollutants that are 0.3 microns and larger, 95% of particles that measure 0.1 micron and smaller, and more than 3,000 types of toxic gases and odors. You'll rest easy knowing that you and your family are breathing the cleanest air possible.

    Durable Construction for Years of Clean Air

    Made in the USA

    Made in the USA, the Austin Air Bedroom Machine Air Purifier is constructed with sturdy, long-lasting components that boost efficiency and energy savings. These include an energy-efficient Permanent-Split Capacitor (PSC) motor, a powerful centrifugal fan, and an all-steel outer body. The long-life PSC motor is rated for continuous use at high RPMs and is mounted on shock absorbers to minimize noise. When running, the Bedroom Machine's motor draws less current and reduces your operating costs by 50% when compared to other air purifiers.

    Additional Features

    • Easy Controls - Choose from 3 purification speeds using the simple manual knob control.
    • Independently Tested - Like all Austin Air Purifiers, the Austin Bedroom Machine has been independently tested for filtration effectiveness by third-party and U.S. government labs.
    • Easy Filter Changes - Just remove the bottom cover of the air purifier to access the old filter and drop a new one in.
    • Smooth-Roll Casters - Roll your air purifier from spot to spot for clean air throughout your home.


    The Austin Air Bedroom Machine removes common airborne allergens, odors, and chemicals, so you can sleep more soundly and symptom-free.

    What Customers Love

    • Easy to Use - No complicated control panels, the Bedroom Machine includes 1 manual knob control to adjust your fan speed and turn the unit on and off.
    • Long-Life Filter - The combination HEPA/carbon filter needs to be replaced only once every 5 years under typical use to help save you money on costly filter replacements.

    Things to Consider

    • Chemical Control - Consider if you need to remove specific chemical irritants such as formaldehyde. The Austin Air Healthmate Plus blends potassium iodide into the carbon filter for formaldehyde filtration.

    Manufacturer's Warranty

    5-year mechanical; 5-year pro-rated filter warranty

    Manufacturer's Literature

    Austin Air Owner's Manual
    User's Guide for Austin Air
    Product Specification Sheet
    Specification and feature information for the Austin Air Bedroom Machine Air Purifier.
    Austin Air Purifier Filter Change Instructions
    Easy, step-by-step instructions for changing your Austin Air purifier filter.

    What's In The Box?

    • Austin Air Bedroom Machine Air Purifier
    • Owner's Manual

    View All Air Purifiers »
  • Specifications

    Manufacturer-Suggested Room Size (sq. ft.)1500 sq. ft.
    Maximum Room Size for 4 Air Changes Per Hour 750 sq. ft.
    Recommended ForAllergies, Asthma, General Air Quality, Multiple Chemical Sensitivity, Odor & Chemical, Smoke
    Best Fit Ideal for allergy-, asthma-, and multiple chemical sensitivity-sufferers as well as removing heavy odors, chemicals, and smoke
    Height23 in.
    Width14.5 in.
    Depth14.5 in.
    Weight47 lbs.
    Filtration SystemCarbon Filter, 15 lbs. activated carbon and zeolite, HEPA Filter, 60 sq. ft. of true medical-grade HEPA, Pre-Filter, Large particle pre-filter
    Pre-Filter TypeLarge particle pre-filter
    HEPA Filter Type60 sq. ft. of true medical-grade HEPA
    Amount of Carbon15 lbs. activated carbon and zeolite
    Number of Filters to Change1
    Pre-Filter5 years
    HEPA Filter5 years
    Carbon Filter5 years
    Number of Fan Speeds3
    Amount of Air Moved (Max CFM)250 CFM
    Maximum Noise Level67 dB
    Filter Change IndicatorNo
    Programmable TimerNo
    Remote ControlNo
    ColorTan, White, Black, Blue, Silver
    Amperage1.1 Amps
    Maximum Wattage135 W
    Voltage110-120 V
    Energy StarNo
    Ozone EmissionNone
  • Product Q&A

    Have a shipping or payment-related question?
  • Reviews

    View All Austin Air Bedroom Machine Air Purifier Reviews


    by PowerReviews
    Austin Air Bedroom Machine Air Purifier

    (based on 1 review)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 1 customer

    Displaying review 1

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    (3 of 9 customers found this review helpful)


    Austin Air Bedroom Machine

    By William Holland-Bach

    from USA

    Comments about Austin Air Bedroom Machine Air Purifier:

    This is the best air purifier for your health!

    Displaying review 1

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