Refuge 4
The open-air retreat, reimagined for four.
The Refuge 4 expands everything you love about the Refuge 2 into a more spacious four-person layout. With a clean, architectural exterior and high-performance insulation, this outdoor infrared sauna makes no compromises on luxury or longevity.
Crafted with premium wood and a weather-sealed roof, the Refuge 4 is made for every season. Inside, it features full-spectrum heating, app-connected control, and soothing chromotherapy — creating a powerful, personalized wellness space you’ll return to daily.
Fully Insulated Metal Shell
Heats to 160°F
Comfortably Seats 4 People
Larger Format: More room, same immersive infrared experience.
All-Season Shelter: Durable aluminum exterior siding, metal roof, insulated panels, and naturally weather-resistant western hemlock wood interior.
Immersive Environment: Chromotherapy lights and premium speakers bring multi-sensory relaxation.
Connected Comfort: Control your settings wirelessly with built-in mobile app integration.
Optional integrated red light panel attaches to front wall for full immersive experience.
Dimensions: 82 1/2" W x 51 1/2" D x 80" H
Materials: Exterior black aluminum siding and western hemlock interior
Glass: 8mm front and rear tempered glass + full door
Roof: Heavy-duty metal roofing with eaves
Lighting: LED + chromotherapy system
Audio: Bluetooth speakers
Interior: Removable bench + ergonomic headrests
Full-spectrum low-EMF infrared heaters
LED + chromotherapy lighting
Bluetooth audio integration
Mobile app control panel
Removable bench and ergonomic supports
Installation guide
The Immersion Co. Red Light Therapy Panel – $2,000
Currently, all orders are available on a pre-order basis, meaning each product is made to order to ensure the highest quality and customization. As a result, delivery times typically range from 10 to 12 weeks from the date of purchase. We appreciate your patience and are committed to delivering your order as promptly as possible. If you have any questions or need updates during the process, our team is here to assist you.