Chamber Comparison
OxyRevo Quest 30vsPerry Baromedical Sigma 34
OxyRevo
Quest 30
2
ATA
$28K
Starting
2yr
Warranty
Perry Baromedical
Sigma 34
3
ATA
$50K
Starting
1yr
Warranty
The Bottom Line
The OxyRevo Quest 30 wins on price, warranty, and weight, while the Perry Baromedical Sigma 34 takes the edge in max pressure, fda clearance, and clinical credibility. If price is your priority, the OxyRevo Quest 30 is the stronger pick.
Key Differences
OxyRevo
2 ATA
Perry Baromedical
3 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 34 reaches 3 ATA, which supports FDA-approved treatment protocols.
OxyRevo
$27,999
Perry Baromedical
$50,000 - $90,000
A significant price gap of ~44%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
OxyRevo
Not FDA Cleared
Perry Baromedical
FDA Cleared
FDA clearance matters if you need insurance reimbursement, plan to operate a clinical facility, or want the highest safety assurance. For home wellness use, it's less critical.
OxyRevo
5/10
Perry Baromedical
9/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
OxyRevo
2 years
Perry Baromedical
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Who Should Buy Which?
Best for
OxyRevo Quest 30
Clinics, serious home users, those needing 2.0 ATA pressure
View full details →Best for
Perry Baromedical Sigma 34
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | OxyRevo Quest 30 | Perry Baromedical Sigma 34 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA | 3 ATA★ |
| Oxygen Delivery | mask/cannula | 100%-medical-grade |
| O₂ Concentration | Up to 95% via concentrator | 100% via BIBS with Duke hoods |
| Capacity | 1-person | 1-person |
| Weight | 350 lbs★ | 2,200 lbs |
| Interior Dimensions | 30in diameter | 33.5in diameter |
| Portability | semi-portable | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | United States | United States |
| Price | $27,999★ | $50,000 - $90,000 |
| Warranty | 2 years★ | 1 year |
| Clinical Score | 5/10 | 9/10★ |
| Brand Established | 2013 | 1956 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency pressure relief, safety interlocks | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks |
OxyRevo Quest 30 — Standout Features
Perry Baromedical Sigma 34 — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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