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Austin Air Bedroom Machine Air Purifier

Austin Air Bedroom Machine Air Purifier

$994.99 - $994.99
$994.99
$994.99 - $994.99
$994.99
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Austin Air Bedroom Machine HM402 Air Purifier

Austin Air Bedroom Machine HM402 Air Purifier Black Right Side View

The Austin Air Bedroom Machine HM402 Air Purifier uses a five-stage filtration system designed to reduce airborne particles, allergens, odors, gases, volatile organic compounds, and other indoor contaminants. Its combination of pre-filters, activated carbon, zeolite, True Medical Grade HEPA, and HEGA carbon cloth makes it a comprehensive option for bedrooms and larger indoor spaces.

Recommended for areas between approximately 1,000 and 1,500 square feet, the HM402 features three fan speeds, 360-degree air intake, continuous-duty motor operation, and a filter system designed to last up to five years under normal residential use. Estimated shipping time is 2–4 business days.


Austin Air Bedroom Machine HM402 Features

  • Recommended Coverage: Designed for indoor areas between approximately 1,000 and 1,500 square feet.
  • Five-Stage Filtration: Combines two particle pre-filters, activated carbon, zeolite, True Medical Grade HEPA, and Military-Grade HEGA carbon cloth.
  • Broad Contaminant Filtration: Helps reduce airborne particles, allergens, chemicals, gases, odors, and volatile organic compounds.
  • Allergen Filtration: Helps capture dust, pollen, mold spores, pet dander, and other common indoor particulates.
  • Gas & Odor Filtration: Activated carbon, zeolite, and HEGA carbon cloth help adsorb gases, odors, and chemical contaminants.
  • Long Filter Life: Filtration system is designed to last up to five years under normal residential use.
  • Low Routine Maintenance: Exterior vacuuming approximately once per month is generally recommended.
  • Three Fan Speeds: Adjustable airflow for different room conditions and preferences.
  • Continuous Operation: High-efficiency motor is rated for continuous use at high RPM.
  • 360-Degree Air Intake: Perforated steel housing draws air into the unit from all sides.
  • Durable Exterior: Baked-on powder coat finish is designed to minimize paint-related off-gassing.
  • Made in the USA: Assembled in the United States with approximately 95% U.S.-made components.
  • Safety Certification: CSA/NRTL approved.

Austin Air Bedroom Machine HM402 Five-Stage Filtration System

  • Stage 1: Bonded polyester large-particle pre-filter helps capture visible contaminants such as dust, hair, and pet dander.
  • Stage 2: Bonded polyester medium-particle pre-filter helps capture smaller particles including mold spores and pollen.
  • Stage 3: More than 780 cubic inches of activated carbon and zeolite help adsorb chemicals, gases, volatile organic compounds, and odors.
  • Stage 4: 60 square feet of True Medical Grade HEPA material removes 99.97% of particles larger than 0.3 microns and 95% of particles larger than 0.1 microns.
  • Stage 5: Military-Grade HEGA carbon cloth provides an additional filtration layer for chemicals, gases, and other airborne contaminants.

The multi-stage design provides filtration for both airborne particles and gaseous contaminants, making the HM402 suitable for bedrooms and other indoor spaces requiring advanced air filtration.

View the Austin Air Bedroom Machine Replacement Filter.

Austin Air Bedroom Machine HM402 Five-Stage Filtration System

Austin Air Bedroom Machine HM402 Detailed Component View

Bedroom Air Quality Benefits

  • Cleaner Sleeping Environment: Helps reduce airborne particles and contaminants in bedroom air.
  • Allergen Reduction: Helps capture dust, pollen, pet dander, mold spores, and other common indoor allergens.
  • Particle Filtration: HEPA filtration helps reduce fine airborne particles from the surrounding environment.
  • Odor & Gas Reduction: Carbon, zeolite, and HEGA filtration help remove odors, gases, VOCs, and chemical contaminants.
  • Bedroom-Focused Design: Intended for continuous air filtration in sleeping areas and other occupied indoor spaces.

Austin Air Bedroom Machine HM402 Clinical Study Information

  • Nitrogen Dioxide Study: A Johns Hopkins University clinical trial used Austin Air Bedroom Machine units in Baltimore homes to study nitrogen dioxide associated with gas stove use. Reported results showed a 27% reduction in kitchen nitrogen dioxide levels and a 23% reduction in bedroom levels within one week. Read the nitrogen dioxide study.
  • Secondhand Smoke Study: A second Johns Hopkins study placed Bedroom Machine units in homes where pregnant women or women caring for young babies lived with a smoker. The study reported reductions in indoor pollutants, including nicotine. Read the secondhand smoke study.

Austin Air Bedroom Machine HM402 Air Purifier Specifications

  • Model: HM402
  • Recommended Room Size: Approximately 1,000 to 1,500 sq. ft.
  • Dimensions: 23" H x 14.5" W x 14.5" D
  • Weight: 47 lb
  • Air Intake: 360-degree perforated steel intake housing
  • Exterior Finish: Baked-on powder coat paint
  • Fan Type: Three-speed centrifugal fan
  • Motor: High-efficiency motor rated for continuous use at high RPM
  • Power Requirements: 1.2 amps, 120V, 147 watts on high
  • Rated Fan Airflow: 75 CFM on low to 400 CFM on high
  • Noise Level: Approximately 50 dB to 62 dB
  • Particle Filtration: Removes 99.97% of particles larger than 0.3 microns and 95% of particles larger than 0.1 microns
  • HEPA Surface Area: 60 sq. ft. of True Medical Grade HEPA material
  • Carbon & Zeolite Capacity: More than 780 cubic inches
  • Additional Filtration: Military-Grade HEGA carbon cloth
  • Filter Life: Up to 5 years under normal residential use
  • Country of Assembly: USA
  • Domestic Components: Approximately 95% made in the USA
  • Certification: CSA/NRTL approved
  • Estimated Shipping Time: 2–4 business days
Austin Air Bedroom Machine Air Purifier Making Air Clean for 30 Years

Warranty Information

  • Mechanical Warranty: Five-year warranty against defects in materials and workmanship from the date of purchase when operated under normal residential use and warranty registration requirements are completed.
  • Filter Warranty: Five-year prorated filter warranty under normal residential conditions.

Downloads:
Austin Air Bedroom Machine Owner's Manual
Austin Air Bedroom Machine Technical Specifications

Create a cleaner and more comfortable indoor environment with the Austin Air Bedroom Machine HM402 and its advanced five-stage filtration system.

With True Medical Grade HEPA, activated carbon, zeolite, HEGA carbon cloth, 360-degree intake, and long filter life, the HM402 delivers comprehensive air filtration for bedrooms and larger indoor spaces.

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