I researched the HEGA filter extensively. It was originally developed for biological protection in military applications. That's the performance standard it meets. For home use it means genuine protection against biological particles, mold, and the VOC class that cheaper units miss. My VA doctor was familiar with the Austin Air line and comfortable with this recommendation. Symptoms have improved dramatically.
I had persistent respiratory symptoms after COVID — not severe but consistent. My pulmonologist suggested improving home air quality as part of recovery. The Immunity Machine's HEGA filter and the full VOC filtration stage addressed multiple triggers. Within 6 weeks of running it continuously, symptoms had improved significantly. My doctor was pleased enough to start recommending it to other similar patients.
FEMA doesn't deploy consumer appliances. When I confirmed they specifically deploy Austin Air units in disaster response, I stopped comparing models. The Immunity Machine has been running in my living room for 9 months. HEPA plus HEGA for biological particles at a level standard HEPA doesn't reach. No ionizer, no ozone — just filtration. Steel construction, made in Buffalo, NY.
I'm a physician. When my mother-in-law's oncologist recommended she address home air quality during treatment, we chose the Immunity Machine for the HEGA filter. Biological filtration at this level is appropriate for immunocompromised individuals who need to minimize pathogen and mold exposure. It's been running in her bedroom for 10 months without issue. Five-year filter means no disruption during her treatment course.
My husband has lupus and his rheumatologist has emphasized avoiding smoke and biological particle exposure. We're in northern California. The Immunity Machine runs from June through November during wildfire season and at lower speed the rest of the year. The HEGA filter handles both smoke particles and the biological class his condition makes him susceptible to. No other unit evaluated had both capabilities.
- 5 stars: 13 (81%)
- 4 stars: 3 (19%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
After significant mold in our basement and remediation, our doctor was concerned about residual spores. She recommended the Immunity Machine for the HEGA filter's mold spore capture. We ran it continuously for three months post-remediation. Follow-up air quality testing came back clean. We've kept it running since — it handles allergens, VOCs, and dust in our 1,200 sq ft main floor on speed 3.
My husband has lupus and his rheumatologist has emphasized avoiding smoke and biological particle exposure. We're in northern California. The Immunity Machine runs from June through November during wildfire season and at lower speed the rest of the year. The HEGA filter handles both smoke particles and the biological class his condition makes him susceptible to. No other unit evaluated had both capabilities.
I'm a physician. When my mother-in-law's oncologist recommended she address home air quality during treatment, we chose the Immunity Machine for the HEGA filter. Biological filtration at this level is appropriate for immunocompromised individuals who need to minimize pathogen and mold exposure. It's been running in her bedroom for 10 months without issue. Five-year filter means no disruption during her treatment course.
FEMA doesn't deploy consumer appliances. When I confirmed they specifically deploy Austin Air units in disaster response, I stopped comparing models. The Immunity Machine has been running in my living room for 9 months. HEPA plus HEGA for biological particles at a level standard HEPA doesn't reach. No ionizer, no ozone — just filtration. Steel construction, made in Buffalo, NY.
I had persistent respiratory symptoms after COVID — not severe but consistent. My pulmonologist suggested improving home air quality as part of recovery. The Immunity Machine's HEGA filter and the full VOC filtration stage addressed multiple triggers. Within 6 weeks of running it continuously, symptoms had improved significantly. My doctor was pleased enough to start recommending it to other similar patients.
I researched the HEGA filter extensively. It was originally developed for biological protection in military applications. That's the performance standard it meets. For home use it means genuine protection against biological particles, mold, and the VOC class that cheaper units miss. My VA doctor was familiar with the Austin Air line and comfortable with this recommendation. Symptoms have improved dramatically.
Expensive upfront but when you factor in the 5-year filter life and what you're getting, it's absolutely worth it. Build quality is outstanding and it runs very quietly.
Got this after my kids kept getting sick every winter. This year has been dramatically healthier for our family. Can't prove causation but I'm not taking it out of the living room.
Doctor recommended extremely clean air while recovering from surgery. The Immunity Machine arrived quickly and setup was simple. The difference in air quality in my recovery room was immediate. I've kept using it past recovery because I simply feel better with it running.
Our mother is managing cancer and her medical team stressed that indoor air quality matters. The Immunity Machine was specifically recommended over standard HEPA units because of the virus and bacteria filtration. We've run it continuously for five months and every family member feels better about the air quality at home.
My mom has a compromised immune system and this machine gives both of us peace of mind. The UV sterilization combined with HEPA is exactly what she needed. Build quality is excellent.
After everything the last few years I wanted something that did more than basic filtration. The Immunity Machine covers bacteria, viruses, mold — all of it. Running it in our main living area 24/7.
I have an autoimmune condition and during flares I'm very sensitive to airborne particles. The Immunity Machine covers our 1400 sq ft main floor and the air quality is noticeably different from before. The HEPA and zeolite combination is specifically why I chose this over standard models.
The 8-stage filtration including UV is what sold me. Build quality is exactly what I expected from Austin Air — heavy, solid, well-made. Great for anyone who wants peace of mind about their air.
My husband is undergoing chemotherapy and air quality is not something we can compromise on. The Immunity Machine's combination of HEPA and zeolite molecular sieve gives us confidence that the air in our home is as clean as possible. Our oncologist was supportive of the choice.
I researched air purifiers for weeks before settling on this. The zeolite molecular sieve component is uncommon in consumer units and specifically targets biological contaminants. Performance is excellent — my one note is that it's on the heavier side to move around. But for its intended purpose it delivers.
