Chamber Comparison
HPO TECH TrojanvsPerry Baromedical Sigma 40
HPO TECH
Trojan
3
ATA
$60K
Starting
—
Warranty
Perry Baromedical
Sigma 40
3
ATA
$65K
Starting
1yr
Warranty
The Bottom Line
The HPO TECH Trojan wins on price, while the Perry Baromedical Sigma 40 takes the edge in fda clearance and clinical credibility. If fda clearance matters most, the Perry Baromedical Sigma 40 is the better choice.
Key Differences
HPO TECH
Custom quote (est. $60,000 - $120,000)
Perry Baromedical
$65,000 - $110,000
A ~8% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.
HPO TECH
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.
HPO TECH
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.
Who Should Buy Which?
Best for
Perry Baromedical Sigma 40
Bariatric patients, claustrophobic patients, maximum comfort, flagship clinical programs
View full details →Full Specification Comparison
| Specification | HPO TECH Trojan | Perry Baromedical Sigma 40 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 3 ATA | 3 ATA |
| Oxygen Delivery | 100%-medical-grade | 100%-medical-grade |
| O₂ Concentration | 95-100% via mask/hood | 100% via BIBS with Duke hoods |
| Capacity | 1-person | 1-person |
| Weight | — | 2,850 lbs |
| Interior Dimensions | Standard monoplace, dual O2 delivery | 40.5in diameter (largest monoplace available) |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | Turkey | United States |
| Price | Custom quote (est. $60,000 - $120,000)★ | $65,000 - $110,000 |
| Warranty | — | 1 year |
| Clinical Score | 5/10 | 9/10★ |
| Brand Established | 2020 | 1956 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency depressurization, fire suppression, safety interlocks | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks |
HPO TECH Trojan — Standout Features
Perry Baromedical Sigma 40 — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
Request Quotes →Related Comparisons
HPO TECH Trojan
vs
HPO TECH Zeugma
HPO TECH Zeugma
vs
Perry Baromedical Sigma 40
HPO TECH Trojan
vs
OxyHelp OxyLife I/90
OxyHelp OxyLife I/90
vs
Perry Baromedical Sigma 40
HPO TECH Trojan
vs
OxyHelp OxyLife I/80
OxyHelp OxyLife I/80
vs
Perry Baromedical Sigma 40
HPO TECH Trojan
vs
Sechrist Industries 3600H
Perry Baromedical Sigma 40
vs
Sechrist Industries 3600H