CO2 builds up,
air goes stale
Sealed chamberEvery breath adds carbon dioxide to a closed cabin. The air warms up, turns humid, and that heavy, stuffy feeling settles in.
Continuous ventilation
The living chamber
Some chambers seal you in with your own exhaled air. OxyHelp chambers flush fresh air through the cabin for the whole session, so CO2 never gets the chance to build up. This page explains that difference, and why it decides how a session actually feels.
Two kinds of chambersSealed vs
Sealed vs
continuously ventilated
The spec sheets look alike. The air inside does not. This is the one engineering choice that decides how a session actually feels.
- O2Oxygen
- CO2Carbon dioxide
CO2 builds up,
Sealed chamberFresh air keeps flushing CO2 away
Continuously ventilatedFresh air is pushed in and stale air is pushed out for the entire session, so minute forty feels exactly like minute one.
Ask any manufacturerTwo questions that
Two questions that
reveal everything
Ask these about any chamber, from any brand.
The answers tell you more than the brochure will.
The question
"Do hyperbaric chambers recirculate
the same air?"The answer
It depends entirely on the design. A continuously ventilated chamber pushes fresh air in and vents stale air out, the whole time. A sealed chamber recirculates what you exhale, so CO2 and humidity slowly gather around you. Two chambers can look identical outside and behave nothing alike inside.
The question
"Why do some chambers feel
stuffy and hot inside?"The answer
That heavy, warm feeling is not the pressure. It is the CO2 and humidity from your own breathing, trapped in a sealed cabin. It is also why a session can feel like nothing at all: stale air, not depth. The physics of how hyperbaric oxygen works stays the same in any chamber; the air around you does not.
The problem
The CO2 from your own breathing accumulates around your face inside the chamber
In a sealed chamber, the CO2 from your own breath has nowhere to go. It builds up, the air gets stuffy, and that stale air is often why a session in some chambers can feel like nothing at all.
The solution
OxyHelp chambers ventilate continuously
Fresh air is pushed in and stale, CO2-heavy air is pushed out, the whole time you are inside. The air never gets a chance to go stale.
Why it mattersWhat continuous ventilation
What continuous ventilation
actually changes
Not one dramatic effect, but a handful of practical ones.
Here is what fresh air changes about a session.
Fresh air, the whole session
Fresh air is pushed through the cabin from the first minute to the last, so it never goes stale.
No stuffy, heavy feeling
The warmth and heaviness some chambers get is CO2 and humidity. Here it is flushed out as you breathe.
Comfortable for daily use
Minute forty feels like minute one, which is what makes a daily habit actually stick.
Ready for group sessions
More people means more exhaled CO2. Ventilation keeps a full multiplace cabin fresh for everyone.
Designed in, not added on
Ventilation is part of the chamber’s engineering, not an accessory bolted on afterwards.
Where it matters mostBuilt into every
Built into every
OxyLife chamber
Continuous ventilation is engineered into every chamber we build, and it matters most when several people share a session: more people means more exhaled CO2 to clear. That is why it sits at the core of the OxyLife C multiplace chamber, where up to six people sit together with the air staying fresh from the first minute to the last.