Onyx

A sleek outdoor sanctuary designed to comfortably accommodate 2, 4, or 6 people. Clad in custom CNC-bent steel, The ONYX combines contemporary aesthetics with rugged durability. It is built to withstand the elements, delivering year-round performance and a high-end wellness experience.

  • Exterior Cladding | Custom CNC-bent textured steel, available in 5 colours
  • Sizes | 2-person, 4-person, or 6-person
  • Heat Options | Electric Wi-Fi control, electric manual control, or wood-burning stove
  • Protection | 5mil foil reflective heat barrier and Tyvek house wrap
  • Window Details | Tempered, double-pane ⅞” (22mm) thick glass with argon gas; available in black, bronze, and mirrored tint
  • Door | Full tempered glass door (67” H x 21.375” W); available in black, bronze, and mirrored tint
  • Interior | Canadian clear red cedar
  • Roof System | Modern-profile steel roof with leak- and insect-proof seal gaskets
  • Levelling System | Custom industrial galvanized metal levelling system with 5-inch-diameter feet and 4 inches of vertical adjustment.
  • Warranty | Manufacturing defects: 2 years | Cladding: 40 years | Heaters: Through manufacturer (1 year standard, 2 years when registered).

Due to differences in screen resolutions, the fabrics and finishes displayed may vary from the actual fabric and finish colors.

Defining Features

Built for exceptional performance, comfort, and longevity.

Built for exceptional performance, comfort, and longevity, every Steemd sauna combines premium materials with purposeful design and artisan craftsmanship to create a wellness experience engineered for any climate.

Custom CNC-bent textured steel backed with a 40 year warranty.

Canadian white or clear red cedar creates a warm, aromatic environment while standing up to years of daily use.

Choose your heater from electric Wi-Fi, electric manual, or traditional wood-burning options.

Modern-profile steel roof with leak / insect-proof seal gaskets.

Custom door handle made from solid, fade-free HDPE, featuring a strong magnetic closure.

Tempered, double-pane, argon gas-filled windows, available in black, bronze, or mirrored tint.

Marine-grade stainless steel hinge system.

A flush, frameless glass door accentuates the view, available in black, bronze, or mirrored tint.

Custom industrial galvanized metal levelling system with 5-inch-diameter feet and 4 inches of vertical adjustment.

Signature Details

Built for exceptional performance, comfort, and longevity.

Every Steemd sauna combines premium materials with thoughtful craftsmanship to create an outdoor wellness experience built for Canadian climates.

Premium Exterior

Custom CNC-bent textured steel backed by a 40 year warranty.

Defining Interior

Naturally beautiful Canadian white or clear red cedar creates a warm, inviting, and aromatic environment while standing up to years of daily use

Customized Heat

Tailor your wellness experience with industry-leading heaters from Harvia, Narvi, or Homecraft. Choose from electric Wi-Fi, electric manual, or traditional wood-burning configurations.

Integrated Lighting

Seamlessly hidden LED strips cast a warm, soothing glow so you experience the light, not the fixture—highlighting the premium cedar and creating the perfect atmosphere for evening relaxation.

Custom Finish Options

Clad in hot-dip galvanized, custom CNC-bent textured steel, and expertly finished in 5 distinct colours to perfectly complement your outdoor space.

Ebony Black

Deep Grey

Sepia Brown

Graphite Grey

Snowscape White

Engineered Exterior

Designed to protect. Built to endure.

Our custom roof system combines clean architectural lines with long-term durability.

Precision Construction

Engineered to exacting tolerances, every detail is meticulously crafted. By utilizing heavy-duty galvanized components and precise joinery, we deliver a structurally robust build with uncompromising stability.

Custom Metal Trim

Precision-formed to provide clean, architectural transitions along the exterior. This tailored metalwork not only seals and protects vital seams but perfectly frames the sauna for a seamless, high-end finish.

Built for All Seasons

Engineered for the harshest climates, every Steemd sauna features a reflective foil vapour barrier and protective exterior house wrap. This meticulous construction locks in heat during freezing winters while standing resilient year-round.

Tempered Glass

Featuring 7/8″ (22mm) double-pane windows filled with argon gas, these windows deliver superior thermal efficiency and durability. Customize your retreat with black, bronze, or mirrored tint options for the perfect balance of privacy and natural light.

Art | Function | Design

Every detail serves a purpose.

Simple forms and carefully considered details create a timeless aesthetic.

Scandinavian Inspired Design

Rooted in true minimalism, every Steemd sauna embraces a ‘less is more’ philosophy. By stripping away the unnecessary, we highlight clean lines and functional elegance—creating the perfect space to quiet the mind and relax.

Capture Your View

Expansive windows seamlessly connect the indoors with the outdoors, turning your natural surroundings into a calming, visual backdrop for deep relaxation.

Functional Flexibility

Tailor the sauna to your exact layout by choosing left or right entrance placement and customizing the door’s hinge direction for a perfectly optimized space.

Minimal Hardware

In pursuit of pure functional elegance, every Steemd sauna is built using hidden fasteners. This minimal hardware approach eliminates visual clutter, ensuring an uninterrupted, flawlessly clean aesthetic.

Technical Details

Available in three thoughtfully designed layouts.

Compare dimensions, capacities, and specifications to find the ONYX that best fits your space.

Where To Find Our Saunas

Nothing compares to seeing The ONYX up close. Visit one of our authorized Steemd dealers to explore available sizes, colour options, and premium finishes while experiencing the craftsmanship that defines every ONYX sauna.