Choose a soft chamber if you want 1.3 ATA, a chamber that folds away and stated FDA clearance for under $20,000. Choose a hard shell only if your doctor wants you at 1.5 to 2.0 ATA in a rigid chamber and you have room for 500+ lbs of steel and $28,000 to $41,000. A few soft chambers now reach 2.0 ATA for much less.
The short version
| Soft chamber | Hard shell | |
|---|---|---|
| Price in our list | $5,795 to $25,500 | $27,900 to $40,900 |
| Pressure | 1.3 ATA (FDA-cleared ones), some 1.4 to 2.0 | 1.5 to 2.0 ATA |
| Weight | 30 to 50 lb chamber | 507 to 572 lbs system |
| FDA clearance stated | OxyHealth, Summit to Sea, Newtowne | None of the three we compared |
| Entry | Zippers | Sliding door |
| Can you move it? | Yes, folds into a bag | Freight only |
Why most home buyers go soft
Soft chambers are the default for home use for three reasons. They are cheaper, from $5,795 for the Newtowne A4-34. They are the ones with stated FDA 510(k) clearance, for mild hyperbaria at 1.3 ATA. And you can pack them away. The trade-off is zippers, which you close every session, and a body that only stays rigid under pressure, held up by an internal or external frame.
What a hard shell gets you
Steel chambers like the OHS 36-inch and The Recovery Outlet's 34-inch feel like a piece of furniture. You slide a door shut, the shape never changes, and the controls sit inside. They reach 1.5 to 2.0 ATA and integrate the oxygen system. They also weigh more than a piano, ship by freight and cost from $27,900. None of the three we compared states FDA clearance for the chamber.
The middle ground: soft chambers above 1.3 ATA
Skybaric and OxyLife sell soft chambers rated 1.5 to 2.0 ATA. The Skybaric Pro reaches 2.0 ATA for $16,999 with oxygen included, less than half the price of a steel chamber at the same rating. The OxyLife MNS-2.0 lets you set 1.1 to 2.0 ATA in 0.1 steps. Neither states 510(k) clearance; OxyLife writes "FDA Listed".
Oxygen: built in or bolted on
Every steel chamber we compared builds the oxygen system in. Oxygen Health Systems quotes an all-in-one 95% oxygen system on both hard shells, and The Recovery Outlet an integrated concentrator at 10 LPM with a built-in dehumidifier. On the soft side it depends on the brand: Skybaric, Oxygen Health Systems and OxyLife include a concentrator, OxyHealth and Newtowne sell one for $1,550 to $1,575, and Summit to Sea lists none. Add that line before you compare soft and hard prices; our concentrator guide has the full list.
How to decide in two minutes
- Your doctor mentioned 1.3 ATA, or nothing specific: soft, FDA-cleared. Start with the portable ranking.
- Your doctor wants 1.5 to 2.0 ATA and you rent or may move: soft, higher pressure. See the 1.5 and 2.0 ATA ranking.
- Your doctor wants 2.0 ATA, you own your home and have the space: hard shell. See the hard shell ranking.
Two mistakes to avoid
First, buying steel for status. A hard shell is not "more medical" than a cleared soft chamber; in our list it is the reverse on paperwork. Second, buying a cheap 2.0 ATA soft chamber without checking the warranty. Skybaric gives one year on all its models. Know what happens if a valve fails in month thirteen.
Living with each one
A soft chamber is a big inflatable object you set up once and mostly leave up. The Grand Dive weighs about 50 lb and comes with a carrying case; OxyHealth ships its chambers with a carrying bag. Deflated, they fit in a closet, which matters if the chamber shares a bedroom or you might move.
A hard shell is furniture. The OHS 30-inch system weighs 507 lbs and the 36-inch and The Recovery Outlet's 34-inch 572 lbs. OHS and The Recovery Outlet both say their chambers fit through a standard 35-inch doorway, which is a good sign, but measure every door, turn and stair between the truck and the room. Ask your delivery company about the floor too, especially upstairs.
Comfort, windows and claustrophobia
Width does most of the work. Soft chambers in our list run from 27 inches (Respiro 270) to 40 inches (Grand Dive). The steel chambers are 30 to 36 inches. Windows matter if closed spaces make you nervous: OxyNova lists eight double-layered windows on the OxyNova 7, Skybaric six on the Pro, OxyHealth three large ones on the Respiro 270, and the hard shells a polycarbonate window (6 mm on The Recovery Outlet's).
The feel is different too. A soft chamber is quiet fabric around you, a little like a tent. A hard shell has a rigid door and a fixed shape, and some people find that calmer, others more closed-in. If you can, sit in both types before you spend this kind of money.
Warranty and wear parts
Soft chambers have parts that wear by design: zippers, seals and the fabric around them. Look for a warranty that names them. Summit to Sea covers every component, zipper, windows, seams, valves and hoses included, for two years. OxyHealth gives five years, OxyNova a lifetime warranty for personal and commercial use, and Skybaric one year.
Steel has fewer wear parts, but the electronics and the oxygen system are complex. Oxygen Health Systems gives three years full warranty on both hard shells. The Recovery Outlet's product page does not state a warranty for its 34-inch, which is one of the reasons it sits last in our ranking.
Power, noise and delivery
Both types run on a normal household outlet, according to the brands. Summit to Sea runs the Grand Dive's two redundant compressors on a standard 120V outlet; The Recovery Outlet quotes 1,200 W on 110 to 120V for its hard shell. Shipping is where the two worlds part: $300 to $375 for a Summit to Sea soft chamber in the lower 48 states, free with Skybaric and OxyLife, while steel ships by freight, with white-glove options at extra cost.
If you are still on the fence, the hard shell ranking and the soft chamber ranking put each side's best options in order.
Nothing here is medical advice. A hyperbaric chamber is a medical device: talk to your doctor before you buy or use one, and follow the maker's instructions.
Our three picks for this guide
Summit to Sea Grand Dive
The most room inside: a 40-inch soft chamber you can sit up in.
Read the review
Oxygen Health Systems 30-inch 2.0 ATA Hard Shell
The lowest price on a 2.0 ATA steel hard shell, and it fits a standard doorway.
Read the review
Skybaric Pro
A soft chamber that reaches 2.0 ATA, with a 15 L/min concentrator and touchscreens included.
Read the reviewWritten by Claire Benton, editor, home hyperbaric chambers, from the brands' own pages; prices checked November 11, 2026. Some links are affiliate links: if you buy through them, we may earn a commission at no extra cost to you. It never changes our scores. Disclosure.
