Chamber Comparison
AHA AHA Fit 18vsOxyRevo Apex 36
AHA
AHA Fit 18
1.8
ATA
$15K
Starting
2yr
Warranty
OxyRevo
Apex 36
1.5
ATA
$9K
Starting
3yr
Warranty
The Bottom Line
The AHA AHA Fit 18 wins on max pressure and clinical credibility, while the OxyRevo Apex 36 takes the edge in price and warranty. If max pressure is your priority, the AHA AHA Fit 18 is the stronger pick.
Key Differences
AHA
1.8 ATA
OxyRevo
1.5 ATA
Higher pressure enables more clinical protocols. The AHA AHA Fit 18 reaches 1.8 ATA, which covers most wellness applications.
AHA
$15,000 - $20,000 (estimated)
OxyRevo
$8,750
A significant price gap of ~42%. 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.
Who Should Buy Which?
Best for
AHA AHA Fit 18
Athletes, wellness clinics, users needing near-clinical pressure
View full details →Best for
OxyRevo Apex 36
Premium home wellness, athletes, comfort + performance seekers
View full details →Full Specification Comparison
| Specification | AHA AHA Fit 18 | OxyRevo Apex 36 |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.8 ATA★ | 1.5 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); O2 concentrator optional | 21% (ambient); O2 concentrator optional |
| Capacity | 1-person | 1-person |
| Weight | 88 lbs | 70 lbs★ |
| Interior Dimensions | 85cm diameter x 250cm length | 36in diameter x 87in length |
| Portability | portable | portable |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | Austria/Slovenia | United States |
| Price | $15,000 - $20,000 (estimated) | $8,750★ |
| 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 |
AHA AHA Fit 18 — Standout Features
OxyRevo Apex 36 — Standout Features
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