Home hyperbaric chamber: what you can legally buy, what it costs with the circuit and the concentrator, and what 1.3 atmospheres is

The home hyperbaric chamber is the one recovery device where the question is not only whether it works but whether you are allowed to buy it. Most of what is sold is a soft bag, 27 to 40 inches across and 7 to 9 feet long, that a compressor inflates to about a third of an atmosphere over room pressure while you lie inside and breathe through a mask fed by an oxygen concentrator. The ones that have been through the FDA are cleared to treat altitude sickness, on prescription. Everything else they are sold for is off-label, and the hard-shell chambers that reach the pressures the trials used are, in the home market, mostly uncleared pressure vessels from China. This page is the market as it stood on 31 October 2026, what each chamber needs from your house, and what the safety record says.

What a home hyperbaric chamber is, and is not

A hospital chamber is a steel or acrylic vessel that takes you to 2.0 to 3.0 atmospheres absolute while you breathe 100% oxygen, for 90 minutes, with a technician outside and a physician on call. That is the device in the Navy’s dive tables, in every wound-care unit, and in nearly every trial that found anything.

A home chamber is a bag. Its compressor pumps room air in faster than a relief valve lets it out, and the valve is set to open at 4 to 7 psi over atmospheric, which is 1.3 to 1.5 atmospheres absolute, the pressure 10 to 16 feet under seawater. The bag itself holds air. Oxygen, where there is any, comes from a 10 litre per minute concentrator on the floor outside, through a hose to a mask, at 90 to 95% at the outlet and whatever your mask seal makes of it at your mouth.

That changes the arithmetic, and the arithmetic is the whole argument. At sea level the oxygen pressure in what you breathe is about 150 mmHg. At 1.3 atmospheres on air it is about 198 mmHg, a third more. With a 30% mask at 1.3 atmospheres, about 282 mmHg, which is what a 37% mask would give you lying on the couch. At 2.0 atmospheres on pure oxygen it is about 1,473 mmHg, ten times sea level, and the extra oxygen dissolves in plasma in proportion. The portable chamber guide has the full table. The Department of Defense ran its concussion trials with 1.2 atmospheres of room air as the placebo arm, and in the largest of them the placebo arm improved as much as the oxygen arm, which cuts for and against the home device at once.

What you can legally buy

Chambers are Class II medical devices cleared through the 510(k) process, under product code CBF. Clearance is for a stated use, and for soft home chambers that use is one thing:

• Summit to Sea (Minnetonka, Minnesota) holds K072757, cleared 8 February 2008 for the Shallow Dive, the Dive and the Grand Dive “to treat Acute Mountain Sickness (AMS) as prescribed by or under the direction of a physician”, with the line “Caution: Federal Law restricts this device to sale by or on the order of a physician.” Its FAQ says all of its chambers require a prescription.
• Newtowne Hyperbarics sells the Flexi-Lite lineage under K051759, cleared 17 November 2005, again for acute mountain sickness, again prescription-only; the FDA’s device identifier database lists its C4-34, Seal and Tent models under that number.
• OxyHealth (the Vitaeris 320, Respiro 270, Quamvis 320) says on its site that all of its chambers are 510(k) cleared and that it requires a prescription from a licensed provider, and publishes no K number. The FDA’s database under the chamber product code lists no applicant by that name; the nearest lineage is a 2000 clearance to Hyperbaric Technologies, Inc. for the Gamow Bag family. In August 2013 the FDA sent OxyHealth a warning letter for marketing the Solace 210, Respiro 270, Vitaeris 320 and Quamvis 320 without clearance or approval, closed out in April 2014. Until a K number is on the page, we print the clearance as the company’s claim.
• Oxygen Health Systems, OxyRevo, Airvida and Macy-Pan state no 510(k). OHS’s “FDA approved” line refers to the DeVilbiss concentrator it bundles. OxyRevo lists CE, ISO and TÜV and claims neither FDA clearance nor the ASME PVHO-1 pressure-vessel stamp for its hard shells. Macy-Pan’s own site carries the disclaimer that its product is not a medical device.

Two regulators have spoken this year. The FDA’s letter to clinicians of 25 August 2025 says it is aware of serious injuries and deaths, that the root cause is not known, that there is a heightened risk of fire with oxygen at high concentration, and that occupants should be grounded and in cotton. And on 16 June 2026 Health Canada said no soft-shelled chamber is authorized in Canada, that they “may catch fire, especially when used in combination with an oxygen concentration device”, and told Canadians not to use them. US buyers are not covered by the Canadian advisory; the devices are the same ones.

The prescription, then, is not a formality the dealer waves through. It is a clinician writing an order for a device cleared to treat altitude sickness, for a person who is not at altitude. Some will; a dealer that offers to find you one is telling you something about the dealer.

Hyperbaric chambers for sale: the market on 31 October 2026

Every figure is the seller’s listed price or spec on that day, read from the page named; “dealer” means the brand publishes no price and a US reseller does. Weights and wattages are listed only where a seller lists them, which is rarely.

Summit to Sea’s prices were identical the same day at recoveryroomdirect.com and peakprimalwellness.com, which is how a dealer-priced brand looks. OxyHealth’s own site says to contact it for pricing and offers financing over 24 to 60 months; the dealer figures above are the only public ones, and an older dealer post put the Vitaeris near $23,000, so treat that model as $19,900 to $23,000. Warranties: OxyHealth five years, OHS three, Summit to Sea, Newtowne and OxyRevo two, with OxyRevo’s dealers selling extensions at $1,000 to $2,000.

Best hyperbaric chamber for home use: what we would consider

We have tested none of these, so what follows is a reading of the spec sheets against the three things that matter: a clearance, a published electrical load, and the pressure you are actually buying. Prices as above.

The cheapest cleared chamber

Newtowne A4-27, $4,095 on sale. A 27-inch, 1.3-atmosphere bag under the oldest soft-chamber 510(k) on the market, with an 80 litre compressor and a two-year warranty, from a US seller that states the prescription requirement plainly. Twenty-seven inches is narrow; the 34-inch A4-34 at $5,795 is the size most adults will tolerate for an hour. Weight and wattage are not published, which is the gap in this listing.

The cleared chamber with room in it

Summit to Sea Dive, $9,995. Thirty-three inches across and 90 long, 1.3 atmospheres on two compressors, 120 V at 15 A, US-made, K072757, two-year warranty, sold at list by every dealer we checked. It is the chamber a dozen clinics put in their waiting rooms, and the one with the clearest paper trail. It publishes no wattage, concentrator or in-chamber oxygen figure, and it is $4,000 more than the Newtowne for the same pressure.

The only chamber that prints its watts

Oxygen Health Systems OXYMA 28, $6,729. The one seller that lists the loads: a 520 W compressor, a 630 to 640 W 10 litre concentrator at 95%, a 300 W dehumidifier, in a 28-inch bag at 1.3 atmospheres, three-year warranty. That honesty is why it is here. What it lacks is any 510(k), and its sister site’s claim that there are “no known safety risks with fire” is contradicted by two national regulators this year. If you buy it, you are buying an uncleared device on the strength of a spec sheet.

The hard shell, with the caveat that matters

OxyRevo Quest36, $29,999 in its 2.0-atmosphere version. A 573 lb stainless and polycarbonate cylinder, 36 inches by 89, with its own 10 litre concentrator and cooling, two-year warranty, and the only home chamber on this page that reaches the pressure the trials used. It claims no FDA clearance and no ASME PVHO-1 stamp, the pressure-vessel-for-human-occupancy standard that the FDA’s August 2025 letter names and that every clinical chamber carries. At 2.0 atmospheres the vessel holds 14.7 psi over the room, across about 1,000 square inches of a 36-inch door, which is about 15,000 lb of force on the seal and hinges. We would want the stamp before we trusted that in a house, and the clinic fire record on this page is a hard-shell record.

What a home chamber needs: the room, the circuit, the concentrator

• Floor. A 33-inch bag is a 3 by 8 foot footprint inflated, plus the compressor and concentrator beside it, so plan on 4 by 10 feet of floor with a path around it. The soft bags weigh 26 lb (Airvida’s TPU bladder) to about 55 lb (Summit to Sea’s largest), and a floor does not notice. The Quest36 is 573 lb on about 22 square feet, roughly 26 lb per square foot, which is under the 40 lb per square foot a residential floor is designed for but is a point load on four feet, so a wood-framed floor wants a look. The 1,250 lb Fortius is a slab-only device.
• Circuit. Summit to Sea specifies 120 V at 15 A. OHS’s complete systems draw 1,460 to 1,560 W, which is 12 to 13 A at 120 V, within a 15 A circuit’s 12 A continuous rating by a hair and comfortably inside a 20 A one. Give it a dedicated 120 V 20 A circuit, nothing else on it; our electrical guide prices that at $250 to $600 in a typical metro. The OxyHealth soft chambers list a 1/3 hp compressor and no wattage.
• Concentrator. The dealers sell the Drive DeVilbiss 10 litre unit at $1,550 to $1,575, and it is a prescription device in its own right. Newtowne says so on the listing; OxyHealth’s chambers come with none and the dealer adds one. It draws 630 to 640 W by OHS’s figure and sits outside the bag.
• Noise. Airvida claims 50 dB or less. Nobody else publishes a figure, and a 1/3 hp compressor running continuously for an hour in the next room is the thing that decides whether the chamber gets used in month three.
• Dehumidifier and cooling. You exhale into a sealed bag for an hour. OHS includes a 300 W dehumidifier; its optional air conditioner is 550 W more; the Quest36 ships with two cooling units. Summit to Sea and OxyHealth list neither.
• Running cost. A 1.5 kW system for a 90 minute session is about 2.2 kWh, which is 26 cents in Idaho and 70 cents in California at the state average residential rates our calculators use. The cost guide has the full installed and running totals.

Hyperbaric chamber explosions, fires and the soft-shell failures

The word in the search box is “explosion”; the record is fire, in oxygen.

On 31 January 2025, five-year-old Thomas Cooper died in a chamber at the Oxford Center in Troy, Michigan. The investigation report published in March 2026 by the hyperbaric technologists’ certification board describes a Sechrist hard monoplace on 100% oxygen at 2.0 atmospheres, a fire 42 minutes into the session, and an ignition traced to a static discharge from the ungrounded child to the grounded mattress after his bare knee touched it; the facility was not using patient grounding straps and had polyester-filled pillows in the chamber. The chamber itself was code-compliant and cleared. The center’s safety director pleaded no contest to involuntary manslaughter and was sentenced on 31 August 2026; the CEO and two others await trial on murder and manslaughter charges. On 9 July 2025, Walter Foxcroft, 43, died in a flash fire inside a chamber at his own clinic in Lake Havasu City, Arizona; the cause was still under investigation when we checked.

Both were hard chambers in clinics, and both were the thing NFPA 99 chapter 14 exists to prevent: an oxygen-enriched atmosphere, which the code defines as anything over 23.5% oxygen, an ungrounded occupant, and a material that burns. Cotton ignites at about 650°F in 100% oxygen at 2 atmospheres. The code requires grounding straps, a safety director, and an operator physically present, and the FDA’s August 2025 letter repeats all three.

The soft-chamber record is different and thinner. No home soft-chamber fire has been reported in the US that we could find. What an emergency physician writing in ACEP Now in February 2026 did count were several soft-chamber zipper and structural failures in 2025 that caused blunt chest trauma, collapsed lungs and air embolism: a bag at 4 to 7 psi that lets go lets go in a fraction of a second, and the lungs inside it are at pressure. That, and the concentrator, is what Health Canada’s June advisory is about.

Used hyperbaric chambers

Soft chambers resell at roughly 35 to 60% of new, going by live asking prices on 31 October 2026: a pre-owned OxyHealth Vitaeris 320 at $8,500 and $12,500 or best offer on eBay against $19,900 new; a used Summit to Sea Dive at $6,500 and $7,000 on DOTmed against $9,995; Newtowne Flexi-Lites at $4,000 to $5,000 with compressor and concentrator against $4,095 to $5,795. Those are asks, not sales; eBay’s sold listings need a login and we did not read them. Two cautions: a bladder has a life the makers do not publish, and the warranty does not transfer in any terms we read. The cost guide sets the used prices against the clinic alternative.

What we have not measured

Every number on this page is a seller’s, read on the date given. We have not inflated, timed, metered or sat in any chamber.

The measurements the category owes, in order of what they would settle: a pressure gauge on the port of a soft chamber through a session, because 1.3 atmospheres is the valve’s rating and nobody shows the trace; a diver’s oxygen analyzer inside the bag and at the mask over an hour, with and without the concentrator, because that number is both the dose and the fire risk; a plug-in power meter on the compressor, concentrator and dehumidifier, since one seller in six publishes watts; a sound meter at the pillow and in the next room; and a stopwatch on the time from switch-on to pressure, which no maker prints. One chamber, one afternoon, n=1. If a maker or a dealer lends one, this page gets a table.

What we would buy

For most people, nothing: the trials that found anything used a dose a soft bag cannot reach, the one wellness use with a Cochrane review came out negative, and $6,000 to $12,000 buys a lot of clinic sessions at the real pressure, which the cost guide prices.

If a clinician has written the order and you want the cleared, cheapest bag: the Newtowne A4-34, with the concentrator the listing says needs its own prescription.

If you want the cleared chamber with the paper trail and the room: the Summit to Sea Dive.

If a published electrical load matters more to you than a clearance, and you have read the fire section: the OHS OXYMA.

If you want 2.0 atmospheres at home: the Quest36, after someone shows you a PVHO stamp, and not before. The portable chamber guide has the soft-against-hard table, and our how we test page says what every figure here is and is not.