Chamber Comparison
Macy-Pan ST1700vsSummit to Sea The Dive
Macy-Pan
ST1700
1.5
ATA
$12K
Starting
1yr
Warranty
Summit to Sea
The Dive
1.3
ATA
$8K
Starting
2yr
Warranty
The Bottom Line
The Macy-Pan ST1700 wins on max pressure and weight, while the Summit to Sea The Dive takes the edge in price, fda clearance, and warranty. If price matters most, the Summit to Sea The Dive is the better choice.
Key Differences
Macy-Pan
1.5 ATA
Summit to Sea
1.3 ATA
Higher pressure enables more clinical protocols. The Macy-Pan ST1700 reaches 1.5 ATA, which covers most wellness applications.
Macy-Pan
$11,600 - $14,000
Summit to Sea
$8,000 - $12,000
A significant price gap of ~31%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Macy-Pan
Not FDA Cleared
Summit to Sea
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.
Macy-Pan
1 year
Summit to Sea
2 years
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Macy-Pan
37.5 lbs
Summit to Sea
121 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 ST1700 | Summit to Sea The Dive |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Entry Wellness | Entry Wellness |
| Max Pressure | 1.5 ATA★ | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); optional concentrator | 21% (ambient); optional concentrator |
| Capacity | 1-person | 1-person |
| Weight | 37.5 lbs★ | 121 lbs |
| Interior Dimensions | Sitting/vertical design | 33in diameter |
| Portability | semi-portable | portable |
| FDA Cleared | No | Yes (#K072757)★ |
| CE Marked | Yes★ | No |
| Made In | China | United States |
| Price | $11,600 - $14,000 | $8,000 - $12,000★ |
| Warranty | 1 year | 2 years★ |
| Clinical Score | 4/10 | 4/10 |
| Brand Established | 2007 | 2007 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Pressure relief valve, dual zipper system | Dual zipper safety system, pressure relief valve |
Macy-Pan ST1700 — Standout Features
Summit to Sea The Dive — Standout Features
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