Newtowne Hyperbarics A4-34
The cheapest FDA-cleared soft chamber on our list, and it still feels roomy.
Check price at Newtowne Hyperbarics Read the review →Newtowne A4-34 vs OHS Oxy-Air 36
Two soft chambers, $3,895 apart. Here is which one to buy, and for whom.
Short answer
The Newtowne A4-34 wins, 9.2/10 against 8.7/10, mostly on fda status stated by the brand and price (dated, us); the OHS Oxy-Air 36 hits back on oxygen concentrator in the price. Pick the Newtowne A4-34 for the lowest price on an FDA-cleared soft chamber, with a 34-inch body that fits most bedrooms. Pick the OHS Oxy-Air 36 for an all-in-one soft chamber under $10,000 with the oxygen system included.
Oxygen Health Systems Oxy-Air 36 (1.3 ATA)
A 36-inch soft chamber with the concentrator and dehumidifier in the price.
Check price at Oxygen Health Systems Read the review →What decides it
- Price: the Newtowne A4-34 costs $5,795, the OHS Oxy-Air 36 $9,690, a $3,895 gap (checked Nov 11, 2026).
- Room: the OHS Oxy-Air 36 is 2 inches wider (36 against 34).
- Pressure: both run at 1.3 ATA.
- Warranty: Newtowne A4-34 2 years, OHS Oxy-Air 36 3 years.
- Oxygen concentrator: Newtowne A4-34 optional add-on, OHS Oxy-Air 36 included.
- FDA wording: Newtowne Hyperbarics states FDA 510(k) clearance (K051759): "Mild hyperbaric chambers are considered a Class II medical device by the FDA and require a prescription from a qualified medical professional for human medical use. FDA 510k #K051759." We found no FDA statement for the Oxy-Air 36 (1.3 ATA) on the pages we read. OHS calls the included concentrator FDA-cleared; we found no FDA statement for the chamber itself.
Side by side
A tick marks the better value in each row.
| Spec | ||
|---|---|---|
| Price | $5,795 | $9,690 |
| Shipping | Free | Not stated |
| Type | Soft chamber, lying or sitting | Soft chamber, lying |
| Pressure | 1.3 ATA (4 psi) | 1.3 ATA (1.4 ATA option) |
| Interior diameter | 34 in | 36 in |
| Length | 95 in | 89 in |
| Warranty | 2 years | 3 years |
| Oxygen concentrator | Optional add-on | Included |
| FDA status (brand wording) | 510(k) clearance stated | No FDA statement found |
| Safety features stated | 2 of 4 | 3 of 4 |
| Weight | Not stated | 30 lb |
| Buy | See today's price | See today's price |
Pick the Newtowne A4-34 if
- You want an FDA-cleared mild chamber without paying flagship money
- Your doctor has written a prescription and you want a simple, proven design
- You like the option of renting first ($1,195 a month at Newtowne)
The catch: Two years of warranty is short next to OxyHealth's five, and the concentrator is a $1,575 extra.
Pick the OHS Oxy-Air 36 if
- You want oxygen included without adding $1,500
- You want 36 inches of width under $10,000
- You want the safety features listed
The catch: No FDA clearance stated for the chamber itself (only for the included concentrator), and shipping cost is not listed.
Frequently asked questions
Which is better, the Newtowne A4-34 or the OHS Oxy-Air 36?
The Newtowne A4-34 wins, 9.2/10 against 8.7/10, mostly on fda status stated by the brand and price (dated, us); the OHS Oxy-Air 36 hits back on oxygen concentrator in the price. Pick the Newtowne A4-34 for the lowest price on an FDA-cleared soft chamber, with a 34-inch body that fits most bedrooms. Pick the OHS Oxy-Air 36 for an all-in-one soft chamber under $10,000 with the oxygen system included.
Which is cheaper?
The Newtowne A4-34: $5,795 against $9,690, both checked November 11, 2026. Shipping: Newtowne A4-34 free shipping, OHS Oxy-Air 36 shipping not stated.
Which one is FDA cleared?
Newtowne Hyperbarics states FDA 510(k) clearance (K051759): "Mild hyperbaric chambers are considered a Class II medical device by the FDA and require a prescription from a qualified medical professional for human medical use. FDA 510k #K051759." We found no FDA statement for the Oxy-Air 36 (1.3 ATA) on the pages we read. OHS calls the included concentrator FDA-cleared; we found no FDA statement for the chamber itself.
What is the catch with each?
Newtowne A4-34: Two years of warranty is short next to OxyHealth's five, and the concentrator is a $1,575 extra. OHS Oxy-Air 36: No FDA clearance stated for the chamber itself (only for the included concentrator), and shipping cost is not listed.
Still torn? Add a third.
Line up any three chambers on price, room, warranty and the FDA wording.