Chamber Comparison

Macy-Pan HE5000 PlusvsPerry Baromedical Sigma 40-II

Macy-Pan

HE5000 Plus

Clinical Grade

2

ATA

$83K

Starting

1yr

Warranty

Perry Baromedical

Sigma 40-II

Clinical GradeFDA Cleared

3

ATA

$100K

Starting

1yr

Warranty

The Bottom Line

The Macy-Pan HE5000 Plus wins on price, while the Perry Baromedical Sigma 40-II takes the edge in max pressure, fda clearance, and clinical credibility. If max pressure matters most, the Perry Baromedical Sigma 40-II is the better choice.

Key Differences

Max PressurePerry Baromedical Sigma 40-II

Macy-Pan

2 ATA

Perry Baromedical

3 ATA

Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 40-II reaches 3 ATA, which supports FDA-approved treatment protocols.

PriceMacy-Pan HE5000 Plus

Macy-Pan

$83,000 - $91,300

Perry Baromedical

$100,000 - $160,000

A ~17% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.

FDA ClearancePerry Baromedical Sigma 40-II

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 40-II

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.

Who Should Buy Which?

Best for

Macy-Pan HE5000 Plus

High-volume clinics, multi-patient operations, large facilities

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Best for

Perry Baromedical Sigma 40-II

High-volume wound care centers, efficiency-focused clinical programs

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Full Specification Comparison

SpecificationMacy-Pan HE5000 PlusPerry Baromedical Sigma 40-II
Chamber TypeHard-Shell MultiplaceHard-Shell Multiplace
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
Capacity4-5 person2-person
Weight3,000 lbs
Interior Dimensions4-5 person multiplace40.5in diameter, dual-patient
Portabilityfixed-installationfixed-installation
FDA ClearedNoYes (#Multiple 510(k)s)
CE MarkedYesYes
Made InChinaUnited States
Price$83,000 - $91,300$100,000 - $160,000
Warranty1 year1 year
Clinical Score4/109/10
Brand Established20071956
Climate ControlYesYes
Communication SystemYesYes
Emergency FeaturesEmergency protocols, intercom, fire suppression, safety interlocks, dual entryEmergency depressurization, fire suppression, dual BIBS, multiple safety interlocks

Macy-Pan HE5000 Plus — Standout Features

4-5 personlargest Macy-Pan modelhigh throughput

Perry Baromedical Sigma 40-II — Standout Features

Dual-patient3.0 ATABIBS/Duke hoodsdoubled throughput

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