Chamber Comparison
Macy-Pan MC4000vsSummit to Sea Grand Dive Pro
Macy-Pan
MC4000
1.3
ATA
$12K
Starting
1yr
Warranty
Summit to Sea
Grand Dive Pro
1.3
ATA
$20K
Starting
2yr
Warranty
The Bottom Line
The Macy-Pan MC4000 wins on price, while the Summit to Sea Grand Dive Pro takes the edge in fda clearance and warranty. If fda clearance matters most, the Summit to Sea Grand Dive Pro is the better choice.
Key Differences
Macy-Pan
$12,400
Summit to Sea
$12,995
A significant price gap of ~39%. 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.
Who Should Buy Which?
Best for
Summit to Sea Grand Dive Pro
Clinics, professional use, easier accessibility
View full details →Full Specification Comparison
| Specification | Macy-Pan MC4000 | Summit to Sea Grand Dive Pro |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.3 ATA | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); optional concentrator | 21% (ambient); optional concentrator |
| Capacity | 1-person + wheelchair | 2-person |
| Weight | 48.5 lbs★ | 55 lbs |
| Interior Dimensions | Wheelchair-accessible entry | 40in diameter with platform |
| Portability | fixed-installation | semi-portable |
| FDA Cleared | No | Yes (#K072757)★ |
| CE Marked | Yes★ | No |
| Made In | China | United States |
| Price | $12,400★ | $12,995 |
| 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, wide entry for wheelchair access | Dual zipper safety system, pressure relief valve |
Macy-Pan MC4000 — Standout Features
Summit to Sea Grand Dive Pro — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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