
Architectural intention. Extreme performance. Recovery, without compromise.
Meet the Forge™ — a precision-built outdoor traditional Finnish sauna crafted for those who demand serious, uncompromising thermal recovery. Wrapped in 100% Canadian Hemlock and clad in weather-resistant matte black aluminum, Forge combines natural wood warmth with a bold, modern architectural edge.
At the core of the Forge sits a commercial-grade 3.5kW Harvia Vega Compact heater—the authentic Finnish heating technology trusted by premier spas globally. Delivering deep, enveloping heat up to 220°F, Forge creates an intense thermal environment that accelerates muscle repair, boosts cardiovascular health, and triggers cellular recovery.
Engineered specifically for year-round exterior placement, Forge features elevated feet for ground clearance, an active dual-ventilation fan system, and marine-grade aluminum paneling designed to withstand rain, sun, and snow alike.
Clean lines. Black-tinted tempered glass. Soft ambient illumination. Every detail is engineered to elevate your daily ritual.
Watch: SaunaBox® Forge™ Overview & Walkthrough
Key Features
- Commercial-Grade Finnish Heating: Powered by an authentic 3.5kW Harvia Vega Compact electric heater capable of reaching up to 220°F (170°F in ~25 mins / 220°F in ~40 mins).
- All-Weather Architectural Exterior: Industrial matte black aluminum paneling layered over a durable cedar subframe, engineered for year-round outdoor exposure.
- 100% Canadian Hemlock Interior: Sustainably sourced, low-resin, non-toxic timber that remains smooth and cool to the touch even at maximum operating temperatures.
- Privacy Glass & Hardware: Full-length, black-tinted tempered privacy glass door paired with matte black hardware and a custom Saunabox-branded horizontal pull handle.
- Active Airflow & Oxygen Control: Integrated 60W powered circulation fan, dual intake/exhaust vents, and a louvered exterior vent panel for optimal fresh oxygen flow.
- Custom RGB LED Lighting: Multi-color selectable ambient LED strip lighting installed overhead and beneath the bench for customized evening ambiance.
- Ergonomic Comfort Package: Ships complete with a contoured S-shaped wooden backrest and elevated slatted flooring for maximum airflow.
- Complete Traditional Accessory Kit: Includes genuine vulcanite sauna stones, traditional wooden water bucket & ladle, and an entry foot stool.
- Electrical & Hardwire Requirements: Operates on a dedicated 240V / 20A double-pole circuit (14.4A draw; hardwire connection required by a licensed electrician).
Product Specifications
| Specification | Details |
|---|---|
| Capacity | 1 Person |
| Heater Unit | Finnish Harvia Vega Compact BU — 3.5 kW (Model #HCBU352401) |
| Maximum Temperature | 220°F / 104.4°C (170°F in ~25 min / 220°F in ~40 min) |
| Voltage & Power Draw | 240V / 14.4A Draw / ~3,620W Peak Total Draw (Heater + Fan + Lighting) |
| Electrical Requirements | Dedicated 20A Double-Pole Breaker (14/2 Copper Conductor Wire) |
| Installation Type | Hardwired Connection (Must be installed by a licensed electrician) |
| Exterior Dimensions | 43.31" W × 41.34" D × 80.71" H (1.10 m × 1.05 m × 2.05 m) |
| Interior Dimensions | 39.37" W × 37.80" D × 72.83" H (1.00 m × 0.96 m × 1.85 m) |
| Door Glass Dimensions | 23.62" W × 64.96" H (Black-Tinted Tempered Privacy Glass) |
| Interior Wood | 100% Canadian Hemlock (Natural, low-resin, non-toxic) |
| Exterior Cladding | All-Weather Matte Black Aluminum Paneling over Solid Cedar Subframe |
| Ventilation System | Active Ventilation (1x 60W Powered Exhaust Fan + 2x Intake Vents) |
| Unit Weight | 471.8 lbs (214 kg) |
| Freight Shipping Weight | 571.0 lbs (259 kg) — Consolidated Protective Plywood Crate |
| Location Rating | Outdoor All-Weather & Indoor Installations |
| Warranty | 2-Year Limited Manufacturer Warranty |
| What's Included | Forge Sauna Structure, 3.5kW Harvia Heater, Sauna Stones, Wooden Water Bucket & Ladle, Foot Stool, S-Shaped Backrest, Multi-Color LED Lighting |
Why Buy From The Recovery State?
Authorized SaunaBox® Retailer: Guarantees 100% factory-direct authenticity backed directly by full 2-Year manufacturer warranty protection.
Free & Fully Insured LTL Freight Delivery: Zero surprise freight surcharges. Your sauna is delivered in a consolidated protective crate with full transit insurance included.
Dedicated Specialist Support: Have technical electrical questions or need pre-delivery site guidance? Contact our US-based recovery team anytime for personal support.