Infrared sauna has moved from a home wellness purchase to a commercial amenity that gyms, spas, hotels, and recovery studios now offer their members and guests. If you are outfitting a facility, the Clearlight Sanctuary line is one of the most established infrared cabins on the market, and it is built to be run commercially — with a dedicated commercial warranty, a continuous-run mode designed for back-to-back guest sessions, and finishing guidance for high-traffic use. This guide covers how the Sanctuary line works in a commercial setting, which model fits which facility, and what you need to know before you order. Sauna Republic is an authorized Clearlight dealer, so the details below come from current Clearlight guidance.
The Clearlight Sanctuary cabins can be installed commercially, sized by how many guests you want to serve per session: the Sanctuary 1 (one person) up to the Sanctuary 5 (five people), with corner and spacious walk-in layouts in between. Run commercially, they carry a 5-year commercial warranty, include a 16-hour continuous-run mode that keeps the cabin hot between guests so no one waits for preheat, and Clearlight advises varnishing high-touch surfaces for heavy use. You register the unit as commercial at order time, and pricing is quoted per project.
Why Clearlight Sanctuary works commercially
An infrared sauna is one of the most approachable wellness amenities a facility can offer. Sessions are gentle and self-directed, the cabin draws a standard electrical load rather than the heavy service a steam room needs, and it pairs naturally with a recovery circuit alongside cold plunge and red light. For a member or guest, an infrared session is a recognizable, premium benefit; for the operator, the cabin is a one-time capital purchase that anchors a wellness offering.
What makes the Sanctuary line specifically suited to commercial use is that Clearlight supports it for facilities rather than treating commercial as an off-label use of a home product. Three things matter most to an operator: a real commercial warranty, a way to keep the cabin ready between guests, and durability under constant use. The Sanctuary line addresses all three, and the sections below cover each.
The underlying sauna is the same well-known Sanctuary cabin: full-spectrum infrared heating, low-EMF construction, and the finish quality the line is known for. The commercial story is about how it runs in a facility, not a different product.
The 16-hour continuous-run mode
This is the feature that makes the Sanctuary practical for a busy facility. A standard infrared cabin runs on a session timer — typically 60 minutes — and powers the heaters down when the timer ends. In a home that is fine. In a commercial setting it is a problem: every new guest would wait for the cabin to reheat, wasting their time and the room's availability.
Clearlight's 16-hour mode solves this. It overrides the standard 60-minute timer and keeps the heaters running continuously through the operating day. The session timer still counts down on the display, so each guest can see how much time they have left, but the cabin does not power off when it reaches zero — the heat stays up for the next guest. The result is no preheat wait between sessions, which keeps the room turning over and protects the throughput a commercial amenity depends on.
For a gym or spa running guests through an infrared cabin all day, this is the difference between a usable commercial amenity and one that frustrates people with reheat delays. It is built into the Sanctuary's control system; we will walk you through enabling it for your installation.
Planning infrared for a facility?
Tell us your facility type, the space you have, and how many guests you want to serve per session. Sauna Republic will recommend the right Clearlight Sanctuary model, confirm commercial registration, and quote the project.
Request Commercial Pricing Or call our commercial line: (302) 273-0861Commercial warranty and registration
Warranty coverage depends on how the sauna is used, and getting it registered correctly at order time is what protects you later.
Used in a home, the Sanctuary carries Clearlight's residential warranty. Installed in a commercial location — a gym, spa, hotel, studio, or any facility serving the public — it carries a 5-year commercial warranty. The coverage difference reflects the heavier duty cycle a commercial cabin sees, and it is the assurance a facility needs that the unit is supported for the way it will actually be used.
The practical step: the order has to be registered as commercial. When you order a Sanctuary for a facility through Sauna Republic, we flag it as a commercial installation so it is registered correctly and the commercial warranty applies. This is a simple step, but an important one — a unit ordered as residential and then installed commercially is the kind of mismatch that causes warranty headaches down the line, so we handle it up front.
Finishing a Sanctuary for heavy use
A cabin that serves dozens of guests a week takes more wear than a home unit, particularly on the surfaces people touch and sit on. Clearlight's guidance for commercial installations is to varnish the high-touch areas — the bench seating and the wooden backrest that sits over the far-infrared heaters — so those surfaces stand up to constant use. It is a small, inexpensive step at install time that meaningfully extends how well the cabin holds up in a commercial setting.
We will flag the recommended varnish with your order so your installer has it on hand, and walk through any other finishing considerations for your specific facility and traffic level.
The Sanctuary line by capacity
The main decision is how many guests you want to serve per session. The Sanctuary line scales from a single-person cabin to a five-person room, with corner and spacious walk-in layouts for different footprints. All are full-spectrum infrared and all can be ordered for commercial use.

Clearlight Sanctuary 1
The compact single-person cabin. A fit for a practitioner's treatment room, a boutique studio, or any commercial space where the footprint is tight but you still want a premium infrared offering.
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Clearlight Sanctuary 2
A two-person cabin that suits small studios and boutique facilities, or a space where guests like to use the sauna in pairs. A common starting point for a facility adding its first infrared room.
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Clearlight Sanctuary 3
A versatile three-person cabin — a strong middle option for gyms and spas serving small groups or couples, with enough capacity to keep a recovery area moving without committing to the largest footprint.
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Clearlight Sanctuary C
A four-person cabin in a corner configuration that fits efficiently into a corner footprint — the practical way to reclaim awkward floor space in a locker room or wellness suite while still seating a group.
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Clearlight Sanctuary Retreat
A spacious four-person walk-in — the roomiest standard layout in the line, for facilities that want a comfortable, generous cabin for group sessions rather than the tightest possible footprint.
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Clearlight Sanctuary 5
The highest-capacity cabin in the line. Five-person seating for the busiest facilities — the choice when throughput is the priority and you want to serve the largest group per session.
Get PricingBrowse the full range on the Clearlight indoor infrared saunas collection. If your installation is outdoors — a resort pool deck or rooftop wellness area — the outdoor Sanctuary models can be ordered commercially as well.
Matching a Sanctuary to your facility
Facility type and traffic point you to the right capacity.
Infrared also pairs naturally with red light in a commercial recovery offering — see our guide to Clearlight red light therapy towers for commercial facilities, including the CORE tower that mounts inside a Sanctuary cabin. For help choosing between Clearlight's sauna lines, the Sanctuary vs Premier comparison breaks down the differences.
Get a Clearlight Sanctuary quote for your facility
As an authorized Clearlight dealer, Sauna Republic matches the Sanctuary model to your space and traffic, registers the unit as commercial, flags the recommended finishing, and quotes the project.
Request Commercial Pricing Or call our commercial line: (302) 273-0861Commercial Sanctuary sauna FAQ
Can Clearlight Sanctuary saunas be used commercially?
Yes. The Sanctuary cabins can be installed in commercial locations such as gyms, spas, hotels, and studios. When used commercially they carry a 5-year commercial warranty, and the order is registered as a commercial installation at the time you purchase. We handle that registration when you order through Sauna Republic.
What is the 16-hour mode and why does it matter for a facility?
The 16-hour mode overrides the standard 60-minute session timer and keeps the heaters running continuously through the day. The timer still counts down so each guest sees their remaining session time, but the cabin does not power off between guests, so there is no preheat wait. For a commercial location running guests back to back, this keeps the room turning over and protects throughput.
How does the commercial warranty differ from residential?
Used in a home, the Sanctuary carries Clearlight's residential warranty. Installed in a commercial location, it carries a 5-year commercial warranty, reflecting the heavier duty cycle a commercial cabin sees. The key is registering the unit as commercial at order time so the correct coverage applies — which we take care of for you.
Do commercial Sanctuary saunas need any special finishing?
Clearlight advises commercial operators to varnish the high-touch areas — the bench seating and the wooden backrest that sits over the far-infrared heaters — so those surfaces hold up to constant use. It is an inexpensive step at install time that extends how well the cabin wears in a high-traffic setting. We flag the recommended varnish with your order.
Which Sanctuary model should a gym or spa choose?
It comes down to how many guests you want to serve per session. Smaller spas and treatment rooms often use the one or two-person Sanctuary 1 or 2; gyms and busier facilities lean toward the three to five-person models (Sanctuary 3, C, Retreat, or 5). Tell us your space and traffic and we will recommend the capacity that fits.
Can I add red light therapy to a commercial Sanctuary?
Yes. Clearlight's CORE red light therapy tower is designed to mount inside a Sanctuary cabin, letting one room deliver infrared heat and red light in a single session. It is a popular pairing for commercial recovery offerings. See our guide to Clearlight red light therapy towers for commercial facilities for how that works.
Why isn't commercial sauna pricing listed?
Commercial sauna is quoted per project. Pricing depends on the model, the finishing, delivery, and your installation, so rather than list a number that will not match your project, we prepare a quote built around what you are outfitting. Request one and you will have real figures fast.
Browse the Clearlight indoor infrared sauna collection, or start a quote on the commercial pricing page and tell us your facility type, space, and how many guests you want to serve per session.