SaunaLife Model S4 Wood-Fired Hot Tub
SaunaLife Model S4 Wood-Fired Hot Tub
SaunaLife Model S4 Wood-Fired Hot Tub
SaunaLife Model S4 Wood-Fired Hot Tub
SaunaLife Model S4 Wood-Fired Hot Tub
SaunaLife Model S4 Wood-Fired Hot Tub
SaunaLife Model S4 Wood-Fired Hot Tub

SaunaLife

SaunaLife Model S4 Wood-Fired Hot Tub

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Sale price$5,990.00 Regular price$6,990.00
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Model: SL-MODELS4
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Model S4 Outdoor Wood-Burning Hot Tub

The SaunaLife SOAK-Series Model S4 represents the very best in wood-burning hot tub quality, efficiency, and luxury. Plus, you'll enjoy a top-of-the-line experience with a combination of exceptional quality, efficiency, and luxury that only the SaunaLife SOAK-Series Model S4 can provide.

Ready for your hot tub party 

The Model S4 wood-fired hot tub arrives completely assembled and is easy to set up. Its ergonomically shaped fiberglass tub is a comfortable place for up to 6 people. The interior surface is easy to clean, and the exterior is crafted from thermally enhanced spruce for superior weather resistance and durability.

Engineered for efficiency and performance

Engineered and crafted in the Northers Europe, this super-efficient hot tub heats in 1/3 of the time as traditional wood-fired hot tubs. No electrical connection is required. At the heart of the Model S4 is its ingenious self-cleaning corrugated stove with a secondary chamber that transfers heat from the smoke – reducing wood consumption up to 50% compared with other hot tubs. Brilliantly, the air between the fiberglass lining and the wood exterior is super-heated to accelerate the heating process. The stove is cleverly engineered to draw cooler water through a lower channel and redistribute it though an upper channel to equalize the temperature.

Start enjoying sooner

This incredibly efficient wood stove will heat 304 gallons of water from 40°F (5°C) to 95°F (35°C) in 1.5 to 2 hours – the fastest-heating wood burning hot tub available.

Relax with friends and family the luxury of your Model S4 backyard wood-burning hot tub from SaunaLife.

Features

  • Thermo-Spruce materials (lasts up to 2X longer than Cedar)
  • Luxury outdoor wood-burning hot tub
  • Designed for outdoor ergonomic hot tub bathing experiences
  • Arrives fully assembled and no electricity required (eco-friendly)
  • Spacious interior holds over 304 gallons of pure water bathing pleasure
  • Thick dark grey contoured fiberglass lining provides enhanced bather comfort
  • Stainless steel wood-burning heater utilizes dual heat compartments for unmatched efficiency
  • Rapid response heat-up time prepares water to ideal temperatures in under 2-hours
  • Wood-burning heater constructed of 304 stainless steel
  • Polished stainless steel chimney with protection
  • Durable Thermo-Spruce tub surround (1.65” thick), painted black
  • Superior thermal resistance (R-value) to retain heat
  • Matching Thermo-Spruce wood steps for easy access
  • Extra thick steel reinforced foam cover, folds for ease of removal and storage 
  • Dark grey marine grade vinyl cover exterior 
  • Integrated hot tub drainage tap 
  • Up to 6 bathers 
  • Exterior dimensions – 79" diameter and 37” high 
  • Interior dimensions – 71" diameter and 33” deep 
  • Designed by SaunaLife and handcrafted in Northern Europe 
  • Thermo-Spruce Material Advantages
  • Lasts up to 2X longer than Cedar 
  • Superior thermal resistance (R-value) 
  • Eco-friendly 
  • Ideal for water use (stable)

Specifications

  • Weight: 595 lbs
  • Width / Depth: 79"D
  • Height: 37"H
  • Fully assembled hot tub, Steps, Insulated cover, Drainage with tap, Polished stainless steel chimney, Chimney cap

Resources

Luxury European-Crafted SaunaLife S4 Wood-Fired Hot Tub

The SaunaLife S4 is a luxury 6-person wood-fired hot tub, meticulously designed and handcrafted in Northern Europe to deliver the ultimate in outdoor bathing. With a contoured dark grey fiberglass lining, this hot tub offers ergonomic comfort, while the Thermo-Pine steps provide easy access. The 1.65" thick Thermo-Pine exterior ensures exceptional thermal resistance, and the steel-reinforced foam cover with marine-grade vinyl guarantees long-lasting protection.

The S4 is equipped with an innovative self-cleaning corrugated stove that features a secondary heat chamber, reducing wood consumption by up to 50%. This efficient system can heat 304 gallons of water from 40°F to 95°F in just 1.5 to 2 hours, providing an eco-friendly and fast-heating solution. Ideal for outdoor gatherings or personal relaxation, the SaunaLife S4 offers a blend of luxury, efficiency, and European craftsmanship.

Why Buy SaunaLife?

SaunaLife was founded by a group of passionate sauna enthusiasts who sought to make high-quality home saunas more accessible and affordable. Partnering with Nordic innovators, they leverage Scandinavian design, materials, and construction techniques to create the highest standard of DIY saunas. SaunaLife uses sustainably sourced, thermally treated Northern European wood to ensure an extended lifespan. Through innovative production techniques, they have significantly reduced construction costs, passing these savings onto customers while maintaining superior quality. SaunaLife has partnered with Premium Saunas to distribute their indoor and outdoor sauna range, helping to increase awareness and adoption of sauna bathing across North America so more people can experience its life-changing benefits.

Limited Lifetime Warranty

SaunaLife fully backs their products with both words and actions. Their extensive limited lifetime warranty covers any defects in workmanship under normal residential use for the lifetime of the sauna. Should any issues arise, SaunaLife will promptly repair or replace any factory-assembled component found to be defective, ensuring your sauna remains in top condition for years of relaxation.

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