Dynamically set bathhouses and saunas have turned up across significant metropolises. These alternative third spaces are far much better for one’s health than the proverbial bar. Individuals are consuming less and rather, getting in an excellent sweat to ease the pains of the day. But what if these 3rd areas had the ability to collapse back into our very first spaces– our homes– rather actually? Home sauna items are a penny a dozen nowadays however many need significant amounts of square video footage to be set up, the step of which most city residents can just imagine attaining at some time in their lives.

A modern living space with a large window showing a city view, featuring a black home sauna, a lounge chair, and wooden accents.

Modern living room with floor-to-ceiling window, city skyline view, wooden flooring, a lounge chair, small side table, built-in shelves, and a black sauna installed against the wall.

< img src="https://design-milk.com/images/2026/03/Kohler-KLAFS-S1-5-810x608.jpg"alt= "Modern living room with floor-to-ceiling window, city skyline view, wood flooring, a lounge chair, little side table, integrated racks, and a black sauna set up versus the wall."width ="810"height ="608 "/ > Making the prospect of domestic wellness far more accessible to those residing in infinitesimal residences, long established German brand KLAFS– a subsidiary of American restroom fixture huge Kohler– just revealed to the US market its completely retractable S1 sauna. Attuned to the equally intense push to imbue these main environments with modular, versatile solutions, the system compresses into itself not just two, but 3, fold.

Modern apartment interior with a wooden sauna unit, floor-to-ceiling window showing a city skyline at sunset, and minimal furniture including a sofa and small side table.

A person walks through a modern living room with wood flooring, large windows showing a cityscape, and a built-in sauna with glass doors.

Impressively, it does so without skimping on efficiency or design. Retractable kitchen areas and beds that descend from the ceiling are becoming more commonplace in gradually compact houses stacked on top of each other in increasingly inhabited metropolitan centers. Why shouldn’t a sauna do the exact same? < img src="https://design-milk.com/images/2026/03/Kohler-KLAFS-S1-11-810x602.jpg"alt ="A person's hand adjusts a touchscreen control panel displaying sauna settings on a device labeled "Klafs."." width="810" height="602"/ >

A person adjusts settings on a digital control panel mounted on a dark wall, with information displayed on the screen.

Emerging from what would be the proportions of a basic bookshelf or bar cabinet, the versatile system expands into an enclosure totally equipped to support the schvitzing needs of three people. It does so, immediately, at the touch of a button.

A woman in a green sports bra and briefs sits on a wooden bench inside a sauna, resting her elbow on her knee with her eyes closed. A round thermometer is on the wall.

The S1 is enabled with KLAFS exclusive SANARIUM control, providing 5 distinct environment experiences permitting its users to custom-made adjust ambiance, humidity, and warm up to 210 ° Fahrenheit. The design is as sleek as it is versatile; able to fade into the background of interiors equipped in different styles. Outside surfaces consist of matte black and walnut, both complemented by a walnut interior for an advanced yet inviting visual. The S1 is readily available in 3 sizes– small, medium, and large– accommodating 2 to 3 users.

A modern indoor sauna with glass doors is situated in a minimalist room with wooden floors and large windows overlooking a cityscape at sunset.

“For almost a century, KLAFS has pushed the limits of sauna style, and the S1 represents our most transformative innovation for the wellness industry yet, “states KLAFS CEO Phillip Rock.”We’re thrilled to introduce a luxury wellness experience that makes sauna ownership attainable for people who might not have actually considered it possible due to minimal space in their homes. By integrating sophisticated engineering with thoughtful, space effective design, we’ve created a sauna service that raises health in any home.”

Woman in athletic wear sits on a yoga mat indoors, performing a seated arm stretch. Warm sunlight enters the room, with a sofa and cityscape visible in the background.

To get more information about the most recent wellness innovation from the brand name, see klafsusa.com.

Photography thanks to KLAFS.

Adrian Madlener is a Brussels-born, New York-based author specializing in collectible and sustainable design. With a specific focus on subjects that exemplify the very best in craft-led experimentation, he’s devoted to supporting talents that forge ahead in numerous disciplines.

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