ColdCraft Guides
What Size Hyperbaric Chamber Do I Need?
Choose the right hyperbaric chamber size by comparing diameter, length, seated versus reclined format, room clearance, and delivery access.
The right hyperbaric chamber size starts with the room, not the product page. Measure the final location, the route into it, the chamber entry clearance, the space for the compressor, and the height available for a vertical model. Then compare the chamber’s diameter, length, and intended position. A chamber that is technically within the room’s dimensions can still be the wrong size if it blocks access, cannot clear a doorway, or leaves no usable space around it.
ColdCraft’s current home chamber selection ranges from a 26-inch diameter horizontal chamber to 60-inch large-format options, plus OxyNova models from 22 to 36 inches in diameter. This guide explains how those measurements change the real decision. It does not provide medical advice or use guidance.
Start with the chamber format
| Format | What to measure first | Best fit when |
|---|---|---|
| Horizontal | Overall length, diameter, entry clearance, and floor area | The buyer prefers a reclined format and has sufficient clear length |
| Vertical | Diameter, ceiling height, entry clearance, and chair area | The buyer prefers seated entry and the room supports the height |
| Large diameter | Full floor footprint, surrounding access, and delivery route | Interior room is the priority and the property has a dedicated location |
Horizontal chambers are designed for a reclined position. Vertical chambers are designed for seated use. Neither format is a universal upgrade. The choice depends on how the buyer enters the chamber, the available dimensions, and the position that is practical for the individual. Determine that before comparing diameter.
Diameter changes the interior decision
Diameter is the number most buyers notice first because it changes the interior feel of the chamber. A 26-inch diameter is a compact single-occupant format. A 33-inch diameter offers more room. A 40-inch or 46-inch diameter is a larger step up in interior space. A 60-inch chamber is a substantial equipment decision that needs a dedicated room and careful access planning.
OxyNova models use the same logic in a different size range. The OxyNova 5 is 22 inches in diameter. The OxyNova 7 is 28 inches, the OxyNova 8 is 33 inches, and the OxyNova 9 is 36 inches. A buyer should choose the smallest diameter that will be comfortable and practical, rather than paying for a larger footprint that compromises the room.
Horizontal size guide
| Model | Diameter | Length | Planning note |
|---|---|---|---|
| Summit to Sea Shallow Dive | 26 inches | 84 inches | Compact horizontal single-occupant format |
| Summit to Sea Dive | 33 inches | 90 inches | More interior room with a longer footprint |
| Summit to Sea Grand Dive | 40 inches | 90 inches | Larger diameter requires more surrounding floor area |
| Grand Dive Pro | 46 inches | 102 inches | Large-format horizontal choice |
| Grand Dive Pro Plus Short | 60 inches | 78 inches | Large diameter in a shorter length |
| Grand Dive Pro Plus Long | 60 inches | 102 inches | Large diameter and long dedicated footprint |
The Shallow Dive can be a sensible starting point where space is limited and a compact horizontal format works. The Summit to Sea Dive adds diameter and length. The Grand Dive and Grand Dive Pro provide more interior room. The 60-inch Pro Plus models are substantial systems, and their short-versus-long distinction illustrates why length matters as much as diameter. A 60-inch diameter chamber can still be a large room decision even when its length is reduced.
Vertical size guide
A vertical chamber trades length for height and a seated configuration. The Summit to Sea Dive Vertical is 40 inches in diameter and 85 inches high. The Grand Dive Vertical is 60 inches in diameter and 7 feet high. The buyer needs to measure not only floor space but also ceiling height, the room needed for a chair, the entry side, and clearance around the chamber.
Vertical is a valuable choice when a seated position and entry are the priority. It is not automatically a space-saving solution. A 60-inch diameter vertical chamber still requires a substantial dedicated floor area. The right way to compare vertical versus horizontal is to draw both footprints into the actual room, then decide which configuration keeps the room usable and accessible.
Measure the room the right way
Start with the full stated size of the selected chamber. Then add practical clearance for entry, compressor equipment, electrical access, and the ability to move around the system. Do not measure only the open floor area. Include furniture, doors that swing into the room, windows, baseboards, radiators, shelving, and anything else that reduces usable space.
Next, measure the delivery route. Go from the curb or delivery point to the final room and record every doorway, hall, turn, stair, gate, and low ceiling. A chamber can fit perfectly in a room and still be impossible to move there without an accessible path. Confirm the manufacturer’s delivery and placement requirements for the exact model before ordering.
Room examples
Small dedicated room: Start with a compact horizontal chamber such as the 26-inch Shallow Dive, then verify its 84-inch length and room around the entry and compressor. The smallest chamber can be the right chamber when it lets the rest of the room remain usable.
Long basement or training room: A 33-inch Dive or larger horizontal OxyNova model may fit when the length and delivery route are clear. Do not rely on ceiling height alone. Horizontal systems need clear floor length and comfortable access at the entry end.
High-ceiling room with limited length: A 40-inch Dive Vertical may be worth comparing if seated entry is practical and the 85-inch height fits. The model still needs surrounding space and a clear route into the room.
Dedicated large recovery space: A 46-inch or 60-inch Summit to Sea chamber can be appropriate only when the floor plan, access path, and support area are ready for it. Choose the size for the real room, not for a future room that may never be created.
Size is separate from prescription status
Every Summit to Sea chamber sold by ColdCraft requires a valid prescription before it can ship. These are FDA-cleared Class II medical devices. OxyNova chambers sold by ColdCraft do not require a prescription. Prescription status is determined by the specific device’s clearance and manufacturer requirements, not by size, format, or pressure rating alone.
How ColdCraft helps buyers size a chamber
Bring the intended room dimensions, door widths, ceiling height, a photo of the access route, and the preferred seated or reclined format to the room brief. ColdCraft can help buyers compare the equipment that fits the actual property and purchase path. You can also call (833) 842-9329 or email support@coldcraftrecovery.com.
Frequently asked questions
What diameter hyperbaric chamber do I need?
Choose a diameter based on the buyer’s comfort needs, the final room footprint, entry style, and delivery route. A compact 26-inch chamber and a 60-inch chamber are fundamentally different room decisions.
Is a vertical chamber smaller than a horizontal chamber?
A vertical chamber can use less room length, but it needs ceiling height and substantial floor area depending on diameter. Compare the complete footprint and access needs rather than one measurement.
How much room should I leave around a chamber?
Use the exact manufacturer requirements for the selected model, then allow practical room for entry, compressor placement, electrical access, and movement around the equipment.
Do larger chambers require a prescription?
Size does not determine prescription status. Every Summit to Sea chamber sold by ColdCraft requires a valid prescription before it can ship. OxyNova chambers sold by ColdCraft do not require a prescription.