• SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
  • SaunaBox® Forge 1-Person: Traditional Finnish Sauna
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SAUNABOX

SaunaBox® Forge 1-Person: Traditional Finnish Sauna

$4,990.00
$5,500.00
$4,990.00
Shipping calculated at checkout.
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
SaunaBox® Forge 1-Person: Traditional Finnish Sauna
Description

Meet the Forge™ — a precision-built outdoor sauna crafted for those who take recovery seriously. Designed with architectural intention and wrapped in 100% Canadian Hemlock, Forge blends natural warmth with modern edge. Clean lines. Black-tinted tempered glass. Soft ambient lighting. Every detail is engineered to elevate the ritual.

The powerful 3.5kW wall-mounted heater reaches temperatures up to 220°F, delivering a deep, enveloping heat that rivals traditional spa-grade saunas. 

Built for outdoor performance and year-round durability, Forge is weather-resistant and engineered to withstand the elements—rain, sun, and snow alike.

Key Features

  • 100% Canadian Hemlock Construction
    Naturally aromatic, sustainably sourced, moisture-resistant, and built to last.

  • Reaches Up to 220°F
    Deep, immersive heat for serious sweat sessions.

  • 3.5kW Wall-Mounted Heater
    Powerful, consistent performance. 

  • Black-Tinted Tempered Glass Door
    Sleek privacy with a modern architectural feel

  • Integrated Ambient Lighting
    Soft illumination designed for a calming, refined atmosphere.

  • Weather-Resistant Outdoor Design
    Built specifically for exterior installation.

  • Complete Accessory Kit Included
    Sauna rocks, water bucket & ladle, and wooden foot stool.

Product Specifications


• Harvia Vega Compact 3.5 kW electric heater — Finnish commercial-grade, the same unit used in professional spa installations worldwide

• Heats to 170°F in approximately 25 minutes from a cold start

• Heats to 220°F in approximately 40 minutes from a cold start

• Full-length tempered glass door with matte black hinges and Saunabox-branded horizontal pull handle

• Matte black aluminum exterior paneling over a cedar frame — built for year-round outdoor use

• Canadian hemlock interior — light-toned, low-resin, low-odor wood that stays cool to the touch at full temperature

• Single bench with ergonomic S-shaped backrest for extended, comfortable sessions

• RGB LED ambient lighting (color-selectable) under the bench and overhead

• Slatted wood flooring — elevated for drainage and barefoot comfort

• Active ventilation system: 1 fan + 2 vents (intake + exhaust)

• Louvered black vent panel on the exterior for passive airflow

• Raised feet for ground clearance — promotes drainage and airflow underneath the cabin

• Hardwired 240V installation — no cords, no adapters, permanent setup

• Compact outdoor footprint: 1.10 m wide × 1.05 m deep (43.3 × 41.3 in)

• Matte black hardware throughout — hinges, handle, vent panel, and accessories

DIMENSIONS

Exterior

• External Height: 2.05 m / 6′ 8¾″ (80.71 in)

• External Width: 1.10 m / 3′ 7⁵⁄₁₆″ (43.31 in)

• External Depth: 1.05 m / 3′ 5⁵⁄₁₆″ (41.34 in)
Interior

• Internal Height: 1.85 m / 6′ 0¹³⁄₁₆″ (72.83 in)

• Internal Width: 1.00 m / 3′ 3³⁄₈″ (39.37 in)

• Internal Depth: 0.96 m / 3′ 1¹³⁄₁₆″ (37.80 in)
Door

• Door Glass Height: 1.65 m / 5′ 4¹⁵⁄₁₆″ (64.96 in)

• Door Glass Width: 0.60 m / 1′ 11⁵⁄₈″ (23.62 in)
Bench

• Bench Height (floor to top of bench): 0.67 m / 2′ 2³⁄₈″ (26.38 in)

• Bench Depth (front to back): 0.52 m / 1′ 8½″ (20.47 in)

• Bench Slat Thickness: 6 cm / 2.36 in


ELECTRICAL SPECIFICATIONS

• Heater: Harvia Vega Compact BU — 3.5 kW (Model #HCBU352401)

• Voltage: 240V

• Current Draw: 14.4A

• Breaker: Dedicated double-pole breaker (typically 20A — confirm with local electrician)

• Wire Gauge: 14/2 copper conductor

• Installation: Hardwired — must be installed by a licensed electrician

• Cord/Plug: Not included

• Alternative Configuration: Harvia Vega Compact 1.9 kW / 120V available (Model #HCBU1912241) — contact SaunaBox before ordering


POWER DRAW

• Heater (Harvia Vega Compact): 3,500W / 3.5 kW

• Lighting (RGB LED strip): 60W

• Ventilation fan: 60W

• Total peak power draw: ~3,620W


TEMPERATURE & AIRFLOW

• Maximum operating temperature: 220°F (104.4°C)

• Heat-up time to 170°F: ~25 minutes from cold start

• Heat-up time to 220°F: ~40 minutes from cold start

• Heater capacity rating: 70.5 – 175 cu ft (Harvia-rated for the 3.5 kW Vega Compact)

• Ventilation: Active — passive intake/exhaust vents plus powered fan circulation

• Fan count: 1 (60W)

• Vent count: 2 (intake + exhaust)


MATERIALS & FINISH

• Interior wood: Canadian Hemlock

• Exterior cladding: Matte black aluminum paneling

• Exterior framing: Cedar

• Door: Full-length tempered glass

• Door hardware: Matte black hinges + horizontal Saunabox-branded pull handle

• Side ventilation: Louvered black panel

• Interior lighting: RGB LED strip (color-selectable ambient)

• Seating: Single bench with S-shaped ergonomic backrest

• Flooring: Elevated slatted wood

• Hardware finish: Matte black throughout

• Base: Raised feet (ground clearance for drainage and airflow)


WEIGHT & SHIPPING

• Unit net weight (assembled product): 214 kg / 471.8 lb

• Gross shipping weight (product + crate): 259 kg / 571.0 lb

• Packaging: 1 consolidated plywood crate (~45 kg)

• Crate external dimensions (L × W × H): 216 × 151 × 96 cm / 85.0 × 59.4 × 37.8 in

• Crate shipping volume: 3.131 m³ / 110.6 cu ft

• Shipping method: LTL freight

• Handling requirement: Forklift or 2-person team + pallet jack

    Return, Exchange FAQs

    Read below for more information, or please see our Sauna FAQ page for anything about saunas, returns, shipping and delivery.
    Product Guarantees

    At Superior Saunas we hand pick the best products, we hold pride for our amazing customer service, one of the largest distributers in the USA for all things Sauna and include education materials in our site along with additional information for every product we sell. Please read below for more information on our guarantees and FAQs.
    Informative Sauna Articles

    Guarantees

    • Quality Assurance

      We use high-quality materials and construction methods in all of our hand-made sauna kits, and offer warranties across our carefully selected brands.

    • Amazing Customer Service

      Our knowledgeable Design Consultants are headquartered along the shores of Lake Superior, ready to help you with your sauna build project pre & post-purchase.

    • Wide Range of Products

      From DIY sauna kits to steam rooms and accessories, we provide a comprehensive range of products to make your sauna dreams a reality.

    • Educational Resources

      We provide extensive information and resources about sauna installation & maintenance. Our team is very helpful and resourceful for both new & experienced sauna-goers.

    FAQs

    What is the timeline for shipping?

    Ground Shipping

    We utilize FedEx and USPS for shipping our ground orders. We ship Mon-Fri. We do not ship on weekends or holidays. Once a shipment has been created you will receive the tracking information via email. Typical fulfillment time is 1-2 business days from the date of purchase. Transit times can fluctuate depending on the shipping address, but are usually delivered in 2-4 days. 

    Expedited Shipping

    If you are interested in expedited shipping (overnight or 2-day) please reach out to our helpful sales team. Please call 1-877-872-2806 or email info@superiorsaunas.com. We use FedEx for all expedited orders. Orders must be made before 12pm to ship the same day.

    What should I expect with freight orders?

    Once a freight order is placed (door, heater, lumber, prefab, etc.) it enters our fulfillment queue and is packed in the order it was received. Typical fulfillment times are 2-3 weeks. Once an order is ready to ship you will receive the tracking information from our carrier (Valley Companies). You may need to check your SPAM/Junk folder because these emails can be filtered there. Please allow 1-2 weeks for transit time. The delivering terminal will reach out 24 hrs. in advance of the delivery. You do not need to be present at the time of delivery. The shipment is delivered curbside or to the first dry location. If you have any questions, please feel free to reach out. *Note we cannot guarantee delivery timelines and work off estimates with the shipping company directly.

    What is the return window?

    Return may be made if it was sent by Ground Shipping and must be made within 30 days of receiving your goods.

    If it is shipped by Freight, your return is dealt with on a case-by-case-basis.

    We will not accept returns for any custom products.

    Can't find the answer you are looking for?

    Check out our FAQ's page or contact our customer service team via email or phone.

     FAQ Page

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