SaunaLife Model S4N Hot Tub

SaunaLife SOAK-Series Model S4N Outdoor Wood-Burning Hot Tub

Enjoy a premium backyard spa experience with the SaunaLife SOAK-Series Model S4N Wood-Burning Hot Tub, a high-quality outdoor hot tub designed for efficiency, durability, and relaxation. Crafted in Northern Europe, this advanced wood-fired hot tub combines traditional heating with innovative engineering to deliver fast heating and an authentic outdoor soaking experience.

The Model S4N outdoor hot tub arrives fully assembled for quick and easy setup. Its ergonomically shaped fiberglass interior comfortably accommodates up to six people, making it perfect for relaxing with family or hosting a backyard hot tub gathering. The smooth interior surface is easy to clean, while the exterior is constructed from thermally enhanced spruce, providing superior weather resistance and long-lasting outdoor durability.

At the core of this high-efficiency wood-burning hot tub is an innovative self-cleaning corrugated stove with a secondary heat chamber that captures heat from smoke to maximize efficiency. This advanced heating system reduces wood consumption by up to 50% compared with traditional wood-fired hot tubs while significantly speeding up heating time. The stove also circulates water through a smart channel system that pulls cooler water from below and redistributes heated water above to maintain an even temperature throughout the tub.

The powerful wood stove heats 304 gallons of water from 40°F to 95°F in just 1.5–2 hours, making it one of the fastest-heating wood-burning hot tubs available. Because it requires no electricity, the Model S4N is ideal for backyards, cabins, outdoor retreats, and off-grid installations. Relax and unwind in the comfort and luxury of your own SaunaLife outdoor wood-fired hot tub.

Key Features – 

High-Efficiency Wood-Burning Hot Tub: Advanced stove system captures heat from smoke and reduces wood consumption by up to 50%

Fast-Heating Outdoor Hot Tub: Heats 304 gallons of water from 40°F to 95°F in just 1.5–2 hours for quick relaxation

Spacious 6-Person Hot Tub: Ergonomic fiberglass interior provides comfortable seating for family and friends

Durable Outdoor Spa Construction: Thermally enhanced spruce exterior ensures excellent weather resistance and longevity

No Electricity Required: Traditional wood-fired hot tub heating system makes it perfect for off-grid or outdoor installations

Self-Cleaning Corrugated Stove: Improves heating efficiency while maintaining consistent water circulation

Fully Assembled Outdoor Hot Tub: Easy setup so you can quickly enjoy your backyard spa experience