Austin Air Healthmate HM-400 Air Purifier

Introduction

The Austin Air Healthmate HM-400 Air Purifier is a high-performance air cleaning solution designed to improve indoor air quality across large spaces up to 1,500 square feet. Engineered with a robust 4-stage filtration system, it effectively removes allergens, bacteria, viruses, chemical vapors, odors, and airborne particles as small as 0.3 microns, making it ideal for allergy sufferers, asthma patients, and those with chemical sensitivities. Its 360-degree air intake ensures efficient circulation, delivering cleaner, fresher air throughout homes, offices, and medical environments.

Unique selling points include a long-lasting filter life of up to five years, a pro-rated warranty on filters, and durable all-steel construction made in the USA. The unit’s centrifugal fan offers three-speed controls for customizable performance, blending power with quiet operation. This air purifier is targeted at individuals seeking reliable, continuous air purification in medium to large spaces, especially those concerned with chemical pollutants and indoor allergens.

The Austin Air Healthmate HM-400 Air Purifier is typically priced in the range of approximately $700 to $900,, depending on vendors, with wide availability through online retailers and specialty air quality stores. It balances expert-level filtration with user-friendly features, making it a trusted choice for improving health and comfort in indoor environments.

Specifications of thAustin Airir Healthmate HM-400 Air Purifier.

Our HealthMate Filter

Our best is better for you
Medical Certified HEPA 99.97%
High Velocity Air Flow
TM Clean Air Pocket
PSC Motor
All Steel Construction
Powder Coated Paint
Steel End Caps
Activated Carbon
Zeolite
Granular Carbon
Military Carbon Cloth
Wheels (excludes Jr. unit)
3 Speeds
5 Year Mechanical Warranty
5 Year Pro-rated Filter Warranty
Multiple Impregnated Carbons
Permafit Prefilter
EMF Reduction
High Memory Filter Gasket
CSA/NRTL Approved to UL Standards Made in the USA

Health Mate™

Max. Coverage (Sq. Ft.)
- 1500
Voltage (V)
- 120
Watts (W)
- 135
Amps (A)
- 1.3
Carbon Zeolite Mix Weight (Ibs)
- 15
Total Weight (Ibs)
- 45
Filter Weight (Ibs)
- 21

Health Mate+,

Max. Coverage (Sq. Ft.)
- 1500
Voltage (V)
- 120
Watts (W)
- 135
Amps (A)
- 1.3
Carbon Zeolite Mix Weight (Ibs)
- 15
Total Weight (Ibs)
- 45
Filter Weight (Ibs)
- 21

Health Mate Jr.™

Max. Coverage (Sq. Ft.)
- 700
Voltage (V)
- 120
Watts (W)
- 80
Amps (A)
- 1.0
Carbon Zeolite Mix Weight (Ibs)
- 7.5
Total Weight (Ibs)
- 18
Filter Weight (Ibs)
- 8

Allergy ! Machine™

Max. Coverage (Sq. Ft.)
- 1500
Voltage (V)
- 120
Watts (W)
- 135
Amps (A)
- 1.3
Carbon Zeolite Mix Weight (Ibs)
Total Weight (Ibs)
- 30
Filter Weight (Ibs)
- 8

austin air Healthmate HM-400 Air Purifier-spec

Sound Level
On the high setting, the airflow produces a noise equivalent to a normal conversation. On the medium setting, the sound level is low enough not to interfere with conversation or study. On low, the machine is very quiet. The constant, smooth sound of the airflow is referred to as “white noise.” The white noise of the Austin Air cleaner blocks out annoying sounds like barking dogs or car horns, which can interfere with sleep.

Does the Machine Cool the Air?
No, the air is always room temperature. When room temperature air is blown over your exposed skin, it feels cool because your body is about 30 degrees warmer than the air in the room. The air cleaner does not cool the air in your room.

Our Filters Make the Difference

Filter Warranty

austin air Healthmate HM-400 Air Purifier-product-a

The filter is not guaranteed if it has been subjected to chemicals not normally found in households. This includes tobacco smoke and fumes from fresh painting, etcTorder To get a replacement filter under the five-year pro-rated warranty, ty you must do the following:
Call our customer service number and obtain a Return Authorization Number (RA#). Have your date of purchase available,ble and customer service will provide you with the cost of a new replacement filter. Send your old filter, a copy of your original bill of , sale, and a check for the new replacement filter to our factory at 500 Elk Street, Buffalo, NY 14210. Be sure to mark your RA# clearly on top of your shipping carton.

Replacement filter costs are as follows:

Up to 2 years of use
- 40% of retail cost plus shipping*
2 to 3 years of use
- 60% of retail cost plus shipping*
3 to 4 years of use
- 80% of retail cost plus shipping
4 to 5 years of use
- 90% of retail cost plus shipping
If the old filter is not returned,, ed a $30.00 surcharge will be added to this bill.
Shipping costs are based on where the air filter is being shipped to.

Filter Maintenance

Changing the filter
You will need a large plastic garbage bag to dispose of the old filters. You will also need a pair of work gloves and a Phillips head screwdriver er.

Unplug the unit from its power outlet.
Turn the unit upside down on an a soft surface such as a rug.
Remove the 4 retaining screws from the bottom cover using a Phillips screwdriver.
Lift the bottom cover off and set it aside.
Wearing your work gloves, grasp the filter, carefully lift it out, and place it in a n plastic garbage bag.
Remove the pre-filter, which lies against the air intake mesh gri, and replace or clean it.
NOTE the alignment of the pre-filter seam and the power cord.
Install the pre-filt, er then the filter with the bottom facing up.
Replace the bottom cover and screit w down tightly.
Run the filter on high for at least 1 hour.

Cleaning
Your Austin Air cleaner requires very little maintenance. To remove any dust buildup on the intake area of the air cleaner, vacuum the surface using the brush attachment on your vacuum cleaner. The other surfaces can be cleaned with a soft, ft dam p,odryy cloth.

Limited Five-Year Warranty

Your new Austin Air cleaner is warranted to be free from defects in material and workmanship under normal residential use for five years from the date of purchase. In the event of a malfunction or failure of the Austin Air cleaner, the purchaser should first call 1-716-856-3700 to obtain a Return Authorization Number (RA#). The air cleaner should then be sent insured and packaged with sufficient protection and postage together with the Return Authorization Number (RA#)and a copy of the original bill of sale to the address below. If the malfunction or failure is a result of defects covered by this warranty, Austin Air Systems Limited will, at its option, repair or replace the Austin Air cleaner and return it to the purchaser.
This warranty is limited to the original retail purchaser and is transferable. The warranty does not cover damage due to accidents, abuse, tampering, or misuse, nor does it cover damage resulting from service by persons other than Austin Air Systems Limited or its agents.
Austin Air Systems Limited’s liability under this warranty is limited to the repair or replacement of a defective Austin Aircleaner,r except damages resulting from Austin Air Systems Limited’s failure to comply with Federal or State warranty law. Austin Air Systems
Limited shall not be liable for any incidental or consequential damages, es whether direct or indirect. The replacement filters are covered under a separate pro-rated warranty.
This warranty is expressly granted of of all other warranties, which in some states cannot be excluded. There are no warranties that extend beyond the description of the face here, of and no person, representative,, ve or firm is authorized to commit Austin Air Systems Limited to further liability or obligation.
In the event you have any questions concerning the use and care of Austin Air Systems Limited products, service under this warranty, or any other questions, please call 1-716-856-3700.
Austin Air Systems. Limited, 500 Elk Street, Buffalo, NY 14210

Troubleshooting Austin Air Healthmate HM-400 Air Purifier

Common Issues: Reduced airflow typically indicates a dirty or clogged pre-filter; vacuum the pre-filter every 3 months to maintain performance.
Error Codes: The HM-400 does not have digital error codes; mechanical issues manifest as unusual noises or motor failures.
Solutions: Ensure proper filter installation and check for any obstructions around the intake vents. If airflow decreases significantly, consider replacing the filter after 5 years or if visibly degraded.
Preventive Measures: Operate the unit continuously for the best air quality, clean pre-filters regularly, and avoid exposing the unit to excessive moisture or dust buildup outside of the shelter media.
Warranty & Support: The purifier comes with a 5-year mechanical warranty and a 5-year pro-rated filter warranty. For assistance, contact Austin Air customer support via their official website or authorized dealers.

Pros & Cons of Austin Airir Healthmate HM-400 Air Purifier

Pros:
- Exceptional air cleaning with 4-stage filtrati,on including medical-grade HEPA and heavy activated carbon for chemicals and odors
- Long filter life (up to 5 years) reduces maintenance frequency and cost
- Durable, all-steel construction ensures longevity and reliable operation
- 360-degree air intake maximizes efficiency and air circulation
- Quiet operation at low and medium fan speeds suitable for bedrooms and offices
- Pro-rated filter warranty and 5-year mechanical warranty add consumer confidence
Cons:
- Relatively heavy unit (around 45 lbs), less portable than smaller purifiers
- Higher upfront cost compared to basic air purifiers, though justified by performance and durability
- Filter replacement can be expensive after the long lifespan ends
- No smart features like air quality sensors or app connectivity ty found in some competitors

Customer Reviews of the Austin Air Healthmate HM-400 Air Purifier

Users consistently praise the Austin Airir Healthmate HM-400 Air Purifier for its powerful filtration capabilities and quiet operation, often highlighting notable relief from allergy and asthma symptoms. The long-lasting filters and sturdy build quality receive frequent commendations. Many reviewers give it a 4.5 to 5-star rating, recommending it for large rooms and open-plan living areas.

Common complaints include the weight of the unit, which limits portability, and the higher initial investment compared to simpler air purifiers. Some customers mention the absence of modern digital features and the cost of replacement filters as downsides. Overall, the purifier is highly recommended for those seeking dependable, chemic,,al and allergen removal in sizable spaces.

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