Chamber Comparison
Macy-Pan HP1501vsOxygen Ark 901
Macy-Pan
HP1501
1.8
ATA
$27K
Starting
1yr
Warranty
Oxygen Ark
901
1.5
ATA
$18K
Starting
1yr
Warranty
The Bottom Line
The Macy-Pan HP1501 wins on max pressure and clinical credibility, while the Oxygen Ark 901 takes the edge in price and weight. If max pressure is your priority, the Macy-Pan HP1501 is the stronger pick.
Key Differences
Macy-Pan
1.8 ATA
Oxygen Ark
1.5 ATA
Higher pressure enables more clinical protocols. The Macy-Pan HP1501 reaches 1.8 ATA, which covers most wellness applications.
Macy-Pan
$26,500 - $35,000
Oxygen Ark
$18,000 - $28,000 (estimated)
A significant price gap of ~32%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Macy-Pan
4/10
Oxygen Ark
3/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Macy-Pan
308 lbs
Oxygen Ark
187 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?
Full Specification Comparison
| Specification | Macy-Pan HP1501 | Oxygen Ark 901 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 1.8 ATA★ | 1.5 ATA |
| Oxygen Delivery | 100%-medical-grade | mask/cannula |
| O₂ Concentration | 95-100% via mask/hood | Up to 95% |
| Capacity | 1-person | 1-person |
| Weight | 308 lbs | 187 lbs★ |
| Interior Dimensions | Available in 75/85/90/100cm diameter options | — |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | China | China |
| Price | $26,500 - $35,000 | $18,000 - $28,000 (estimated)★ |
| Warranty | 1 year | 1 year |
| Clinical Score | 4/10★ | 3/10 |
| Brand Established | 2007 | — |
| Climate Control | No | No |
| Communication System | Yes★ | No |
| Emergency Features | Emergency pressure release, intercom, safety interlocks | — |
Macy-Pan HP1501 — Standout Features
Oxygen Ark 901 — Standout Features
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