Chamber Comparison

Macy-Pan HE5000 MinivsPerry Baromedical Sigma 34

Macy-Pan

HE5000 Mini

Clinical Grade

2

ATA

$55K

Starting

1yr

Warranty

Perry Baromedical

Sigma 34

Clinical GradeFDA Cleared

3

ATA

$50K

Starting

1yr

Warranty

The Bottom Line

The Macy-Pan HE5000 Mini wins on weight, while the Perry Baromedical Sigma 34 takes the edge in max pressure, price, fda clearance, and clinical credibility. If max pressure matters most, the Perry Baromedical Sigma 34 is the better choice.

Key Differences

Max PressurePerry Baromedical Sigma 34

Macy-Pan

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.

PricePerry Baromedical Sigma 34

Macy-Pan

$55,000 - $70,000

Perry Baromedical

$50,000 - $90,000

A ~9% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.

FDA ClearancePerry Baromedical Sigma 34

Macy-Pan

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.

Clinical CredibilityPerry Baromedical Sigma 34

Macy-Pan

4/10

Perry Baromedical

9/10

This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.

Chamber Type

Macy-Pan

hard-shell multiplace

Perry Baromedical

hard-shell monoplace

Hard-shell chambers generally offer higher pressures and more clinical features, while soft-shell chambers are more portable and affordable.

Who Should Buy Which?

Best for

Macy-Pan HE5000 Mini

Small clinics, multi-patient sessions, affordable multiplace

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Best for

Perry Baromedical Sigma 34

Hospitals, wound care centers, clinical HBOT programs

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Full Specification Comparison

SpecificationMacy-Pan HE5000 MiniPerry Baromedical Sigma 34
Chamber TypeHard-Shell MultiplaceHard-Shell Monoplace
Performance TierClinical GradeClinical Grade
Max Pressure2 ATA3 ATA
Oxygen Delivery100%-medical-grade100%-medical-grade
O₂ Concentration95-100% via mask/hood100% via BIBS with Duke hoods
Capacity2-3 person1-person
Weight926 lbs2,200 lbs
Interior Dimensions2-3 person multiplace33.5in diameter
Portabilityfixed-installationfixed-installation
FDA ClearedNoYes (#Multiple 510(k)s)
CE MarkedYesYes
Made InChinaUnited States
Price$55,000 - $70,000$50,000 - $90,000
Warranty1 year1 year
Clinical Score4/109/10
Brand Established20071956
Climate ControlYesYes
Communication SystemYesYes
Emergency FeaturesEmergency protocols, intercom, fire suppression, safety interlocksEmergency depressurization, fire suppression, BIBS system, multiple safety interlocks

Macy-Pan HE5000 Mini — Standout Features

2-3 person multiplace2.0 ATAcompact designaffordable

Perry Baromedical Sigma 34 — Standout Features

Industry standard3.0 ATABIBS/Duke hoods67+ years manufacturer heritage

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