Three machines, one cabinet.

PUREFLOW PSA oxygen generation.

Ordinary air is roughly 21% oxygen and 78% nitrogen. A pressure-swing adsorption generator pushes that air through a molecular sieve that holds nitrogen back and lets oxygen through, delivering ≥93% ±3% concentration continuously.

The generator uses a high-pressure dual-tower arrangement: while one tower produces, the other regenerates, so supply never dips mid-session. The sieve is long-life and low-maintenance, and the whole thing runs on the room's own air — there is no cylinder to order, store, handle or run out of. The system also works with the chamber's Breathing Induced Balance System so oxygen delivery stays controlled.

BIOSHIELD IFD air filtration.

IFD is a physical sterilisation method developed by Darwin Technology in the UK. The manufacturer of this range is one of a small number of licensed users, which is part of why we chose to represent it. Graphene, activated by electrodes, behaves like a highly efficient magnet for airborne particles. Because most airborne viruses travel attached to particles rather than floating alone, capturing the particles captures them too.

The measured result is ≥99.9% elimination of Staphylococcus aureus and PM2.5 held in single digits. Unlike chemical sterilisation there is no residue, no odour and nothing to irritate the skin or airways. The same system generates up to roughly 2,000,000 negative ions per cm³ — which is why a session smells like weather rather than plastic.

HYDROCALM climate control.

Conventional chambers use refrigerant-based cooling, or no cooling at all — which is why so many of them get stuffy by the third session on a hot afternoon. These are water-cooled. Water evaporating inside the unit absorbs heat, and a fan pushes cooled air into the chamber.

The loop does three jobs at once: it regulates cabin temperature for comfort, it removes the heat generated during pressurisation, and it continuously cools the oxygen generator and the IFD system, which extends the service life of both.

Water

5–10 litres of purified or bottled drinking water. Avoid tap water with high mineral content. Keep the level between the middle mark and the maximum indicator.

Closed loop

Under normal operation topping up is infrequent. A noticeable drop in level means the system should be checked for a leak.

Auto drain

A built-in level sensor monitors condensate and opens a solenoid valve to discharge it automatically.

Electrical safety and the monthly test.

Every engine carries a residual current device and an emergency power switch. In an emergency, pulling the red switch shuts the system down immediately.

The yellow button simulates a fault: pressing it should trip the breaker instantly and move the switch to OFF. Power cannot be restored directly afterwards — press the grey reset button first, then switch back on. We recommend running that test once a month, with the equipment not in operation. It confirms the mechanism still moves freely and can disconnect power in a genuine fault, and it does not damage the equipment.

Twenty decibels, inside.

Noise in a hyperbaric system comes mainly from frequency resonance in the engine. The engine is lined with acoustic insulation, which brings it to ≤50 dB — and the chamber itself sits at or below 20 dB, quieter than a library. Practically, that means clients sleep through sessions and you can run a chamber next to a consult room without an acoustic treatment budget.