Chamber Comparison
AHA AHA Flex 18 V2vsOxyRevo Heal 40
AHA
AHA Flex 18 V2
1.8
ATA
$16K
Starting
2yr
Warranty
OxyRevo
Heal 40
1.4
ATA
$11K
Starting
3yr
Warranty
The Bottom Line
The AHA AHA Flex 18 V2 wins on max pressure, clinical credibility, and weight, while the OxyRevo Heal 40 takes the edge in price and warranty. If max pressure is your priority, the AHA AHA Flex 18 V2 is the stronger pick.
Key Differences
AHA
1.8 ATA
OxyRevo
1.4 ATA
Higher pressure enables more clinical protocols. The AHA AHA Flex 18 V2 reaches 1.8 ATA, which covers most wellness applications.
AHA
$16,000 - $22,000 (estimated)
OxyRevo
$11,000 - $12,000
A significant price gap of ~31%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
AHA
5/10
OxyRevo
3/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
AHA
2 years
OxyRevo
3 years
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
AHA
88 lbs
OxyRevo
198 lbs
Weight matters for portability and installation. Lighter chambers are easier to move between rooms or take to a second location.
Who Should Buy Which?
Best for
AHA AHA Flex 18 V2
Medical practitioners, wellness clinics, international markets
View full details →Best for
OxyRevo Heal 40
Wheelchair users, mobility-limited individuals, accessibility-focused facilities
View full details →Full Specification Comparison
| Specification | AHA AHA Flex 18 V2 | OxyRevo Heal 40 |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.8 ATA★ | 1.4 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); O2 concentrator optional | 21% (ambient); O2 concentrator optional |
| Capacity | 1-person | 1-person (wheelchair accessible) |
| Weight | 88 lbs★ | 198 lbs |
| Interior Dimensions | 85cm diameter x 250cm length | 40in diameter (wheelchair accessible) |
| Portability | portable | semi-portable |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | Austria/Slovenia | United States |
| Price | $16,000 - $22,000 (estimated) | $11,000 - $12,000★ |
| Warranty | 2 years | 3 years★ |
| Clinical Score | 5/10★ | 3/10 |
| Brand Established | 2006 | 2013 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Safety valves, internal pressure relief | Dual safety valves, internal pressure relief, wide access door |
AHA AHA Flex 18 V2 — Standout Features
OxyRevo Heal 40 — Standout Features
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