Chamber Comparison

Henshaw MonoplacevsOxygen Ark Ark H1

Henshaw

Monoplace

Clinical Grade

2

ATA

$50K

Starting

3yr

Warranty

Oxygen Ark

Ark H1

Clinical Grade

1.5

ATA

$15K

Starting

1yr

Warranty

The Bottom Line

The Henshaw Monoplace wins on max pressure, clinical credibility, and warranty, while the Oxygen Ark Ark H1 takes the edge in price. If max pressure is your priority, the Henshaw Monoplace is the stronger pick.

Key Differences

Max PressureHenshaw Monoplace

Henshaw

2 ATA

Oxygen Ark

1.5 ATA

Higher pressure enables more clinical protocols. The Henshaw Monoplace reaches 2 ATA, which supports FDA-approved treatment protocols.

PriceOxygen Ark Ark H1

Henshaw

£40,000 - £65,000 (~$50,000 - $80,000)

Oxygen Ark

$15,000 - $25,000 (estimated)

A significant price gap of ~70%. Consider whether the higher-priced unit's additional features justify the investment for your use case.

Clinical CredibilityHenshaw Monoplace

Henshaw

5/10

Oxygen Ark

3/10

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

WarrantyHenshaw Monoplace

Henshaw

3 years

Oxygen Ark

1 year

A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.

Who Should Buy Which?

Best for

Henshaw Monoplace

Medical clinics, hospitals, professional sports facilities, advanced wellness centers

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Best for

Oxygen Ark Ark H1

Budget clinics, cost-conscious clinical buyers

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Full Specification Comparison

SpecificationHenshaw MonoplaceOxygen Ark Ark H1
Chamber TypeHard-Shell MonoplaceHard-Shell Monoplace
Performance TierClinical GradeClinical Grade
Max Pressure2 ATA1.5 ATA
Oxygen Deliveryambient-airmask/cannula
O₂ Concentration21% (ambient); optional O2 concentrator availableUp to 95%
Capacity1-person1-person
Interior DimensionsSingle-person hard-shell design
Portabilitystationaryfixed-installation
FDA ClearedNoNo
CE MarkedYesYes
Made InUnited KingdomChina
Price£40,000 - £65,000 (~$50,000 - $80,000)$15,000 - $25,000 (estimated)
Warranty3 years1 year
Clinical Score5/103/10
Brand Established2008
Climate ControlYesNo
Communication SystemYesNo
Emergency FeaturesEmergency depressurization, safety interlocks, fire suppression considerations

Henshaw Monoplace — Standout Features

2.0 ATA hard-shellclinical-gradecommunication systemclimate controlUK made

Oxygen Ark Ark H1 — Standout Features

Hard-shell at budget priceChinese manufacturing

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