Skip to content

Cart

Your cart is empty

SaunaLife S1B - 1 Person Hot/Cold Immersion Tub, Black

Sale price$2,690 USD

Fast & Reliable Shipping

We work directly with manufacturers to ensure accurate lead times, dependable fulfillment, and consistent product availability.

Price Match Guarantee

If you find a lower price on an identical item, we’ll gladly match it — ensuring transparent, competitive pricing every time.

Full Manufacture Warranty

Every product we carry includes an authentic manufacturer warranty for protection and peace of mind.

Product Description

Designed for ultimate personal wellness, the SaunaLife S1B is a sleek hot and cold immersion tub crafted from thermally treated black Thermo-Pine. With a minimalist design and durable fiberglass interior, this 1-person tub offers smooth comfort and reliable performance for cold plunges or hot soaks.

Perfectly sized for compact spaces, the S1B seamlessly fits into wellness rooms, saunas, or backyard retreats. The natural black Thermo-Pine exterior offers strong resistance to moisture, weather, and decay—allowing for indoor or outdoor use with long-lasting style. Its 124-gallon capacity provides full-body immersion, while the chemical-free materials keep your wellness ritual clean and safe.

Whether you’re starting your day with a refreshing cold plunge or winding down after a sauna session, the S1B delivers both recovery benefits and timeless design. It’s a refined way to elevate your wellness journey—crafted for those who value simplicity, balance, and Scandinavian-inspired form.

Features
  • Black Thermo-Pine materials (lasts up to 2X longer than Cedar)
  • Luxury outdoor cold/hot immersion tub 
  • Designed for outdoor ergonomic cold/hot tub bathing experiences 
  • Arrives fully assembled  
  • Spacious interior holds over 124 gallons of pure water bathing pleasure 
  • Thick contoured fiberglass lining provides enhanced bather comfort 
  • Durable Black Thermo-Pine tub surround (1.65” thick 0.74cm)
  • Matching Black Thermo-Pine wood steps for easy access 
  • Up to 1 bather
  • Exterior dimensions – 41.3 "H (105cm) x 40" Diameter (102cm) 
  • Interior dimensions – 34.4" Diameter (87cm) x 36" Deep (91cm)
  • Designed by SaunaLife and handcrafted in Northern Europe 
Includes
  • Thermowood walls 0.7" (1.7cm)
  • Foundation Beams 3.94" (10cm) x3.94" (10cm)
  • Round Deluxe Stairs
  • Drainage 1" (3cm)
  • Chiller Connections 3/4" (2cm) NPT
  • Fiberglass Insert - Grey - Ergonomic
Specifications
Category Details
Model MODEL S1B
Material Black Thermo-Pine
Interior Dimensions 34.4″ Diameter (87 cm) × 36″ Deep (91 cm)
Exterior Dimensions 41.3″H (105 cm) × 40″ Diameter (102 cm)
Water Capacity 124 Gallons
Product Weight When Filled 1177 lb (534 kg)
Shipping Dimensions 47.8″L (121 cm) × 46″W (117 cm) × 48.1″H (122 cm)
Shipping Weight 265 lb (120 kg)
Installation & Manuals

The SaunaLife Model S1B includes detailed documentation to ensure safe and simple setup.

Included Resources:

Relax, recover, and rejuvenate with the SaunaLife Model S1B—a modern masterpiece of comfort and design.

Shipping

At My Energy Flow, we’re committed to delivering your order with the same care and precision that goes into every product we offer. Our shipping process is designed to be seamless, reliable, and worry-free — giving you full confidence from dispatch to delivery.

📦 Shipping Policy

  • Processing Time: Orders are processed within 1–3 business days.
  • Shipping Method & Delivery Times: Your product will be delivered by freight (curbside delivery) within 5–7 business days. Please note that deliveries to remote or rural areas may take longer depending on carrier availability and could be subject to additional charges.
  • Freight Delivery: For larger items, our carrier partners will reach out directly to schedule your delivery at a convenient time. We recommend confirming promptly to ensure a smooth experience and avoid any unnecessary storage fees.
  • Tracking Details: You’ll receive an order acknowledgment by email once your order is placed, followed by shipping updates and delivery details from our team or supplier.
  • Upon Delivery: We kindly ask that you inspect all items carefully. In the event you discover any damages notify us at support@myenergyflow.com immediately so we can assist promptly. 
Returns & Warranty

Your peace of mind is as important as your wellness journey. That’s why every product is supported by a carefully defined return and warranty policy — giving you confidence and clarity with every purchase.

🔄 Refund & Return Policy

  • Return Window: You may request a return within 30 days of delivery, provided the item is unused, in original packaging, and in re-sellable condition.
  • Return Requirements: To help us maintain the highest level of service, all approved returns are subject to a 20% restocking fee. Return shipping costs are the responsibility of the customer, and original or expedited shipping charges are non-refundable.
  • How to Start a Return: Email support@myenergyflow.com with your order number, reason for return, and any relevant photos. Once approved, returns must be shipped back within 7 days of authorization.

🛡️ Warranty

  • Manufacturer's Warranty: Your purchase is backed by SaunaLife’s limited lifetime warranty for residential use, covering the sauna’s structure and components against defects in workmanship.
  • Exclusions: Warranty does not cover damage resulting from misuse, improper installation, accidents, unauthorized modifications, or use beyond recommended specifications.
  • Support & Claims: To initiate a warranty claim, please email support@myenergyflow.com with your order number, a description of the issue, and relevant photos or videos. 

Thank you for choosing My Energy Flow. Your confidence, comfort, and wellness are at the heart of everything we do — and we’re here to support you at every step of your journey. More than a purchase, your order is the beginning of a trusted relationship, and our team is always ready to provide clarity, care, and guidance whenever you need it.

THE MY ENERGY FLOW DIFFERENCE

Why Choose Us

MY ENERGY FLOW
THEM
Pre & Post-Purchase Support
We stay with you.
Often ends at checkout.
Consultation
Free - no hassle.
Not Included.
Real Conversations
We build relationships.
Focused on ecommerce.
Community
You join our wellness collective.
Move onto the next sale.
Shipping
We ensure you are informed.
May be hard to contact.
Women meditating in a calm wellness setting

Take Our Quiz

Explore which wellness categories may support your lifestyle — whether you’re focused on recovery, performance, relaxation, or daily balance.

Product Description

Designed for ultimate personal wellness, the SaunaLife S1B is a sleek hot and cold immersion tub crafted from thermally treated black Thermo-Pine. With a minimalist design and durable fiberglass interior, this 1-person tub offers smooth comfort and reliable performance for cold plunges or hot soaks.

Perfectly sized for compact spaces, the S1B seamlessly fits into wellness rooms, saunas, or backyard retreats. The natural black Thermo-Pine exterior offers strong resistance to moisture, weather, and decay—allowing for indoor or outdoor use with long-lasting style. Its 124-gallon capacity provides full-body immersion, while the chemical-free materials keep your wellness ritual clean and safe.

Whether you’re starting your day with a refreshing cold plunge or winding down after a sauna session, the S1B delivers both recovery benefits and timeless design. It’s a refined way to elevate your wellness journey—crafted for those who value simplicity, balance, and Scandinavian-inspired form.

Features
  • Black Thermo-Pine materials (lasts up to 2X longer than Cedar)
  • Luxury outdoor cold/hot immersion tub 
  • Designed for outdoor ergonomic cold/hot tub bathing experiences 
  • Arrives fully assembled  
  • Spacious interior holds over 124 gallons of pure water bathing pleasure 
  • Thick contoured fiberglass lining provides enhanced bather comfort 
  • Durable Black Thermo-Pine tub surround (1.65” thick 0.74cm)
  • Matching Black Thermo-Pine wood steps for easy access 
  • Up to 1 bather
  • Exterior dimensions – 41.3 "H (105cm) x 40" Diameter (102cm) 
  • Interior dimensions – 34.4" Diameter (87cm) x 36" Deep (91cm)
  • Designed by SaunaLife and handcrafted in Northern Europe 
Includes
  • Thermowood walls 0.7" (1.7cm)
  • Foundation Beams 3.94" (10cm) x3.94" (10cm)
  • Round Deluxe Stairs
  • Drainage 1" (3cm)
  • Chiller Connections 3/4" (2cm) NPT
  • Fiberglass Insert - Grey - Ergonomic
Specifications
Category Details
Model MODEL S1B
Material Black Thermo-Pine
Interior Dimensions 34.4″ Diameter (87 cm) × 36″ Deep (91 cm)
Exterior Dimensions 41.3″H (105 cm) × 40″ Diameter (102 cm)
Water Capacity 124 Gallons
Product Weight When Filled 1177 lb (534 kg)
Shipping Dimensions 47.8″L (121 cm) × 46″W (117 cm) × 48.1″H (122 cm)
Shipping Weight 265 lb (120 kg)
Installation & Manuals

The SaunaLife Model S1B includes detailed documentation to ensure safe and simple setup.

Included Resources:

Relax, recover, and rejuvenate with the SaunaLife Model S1B—a modern masterpiece of comfort and design.

Shipping

At My Energy Flow, we’re committed to delivering your order with the same care and precision that goes into every product we offer. Our shipping process is designed to be seamless, reliable, and worry-free — giving you full confidence from dispatch to delivery.

📦 Shipping Policy

  • Processing Time: Orders are processed within 1–3 business days.
  • Shipping Method & Delivery Times: Your product will be delivered by freight (curbside delivery) within 5–7 business days. Please note that deliveries to remote or rural areas may take longer depending on carrier availability and could be subject to additional charges.
  • Freight Delivery: For larger items, our carrier partners will reach out directly to schedule your delivery at a convenient time. We recommend confirming promptly to ensure a smooth experience and avoid any unnecessary storage fees.
  • Tracking Details: You’ll receive an order acknowledgment by email once your order is placed, followed by shipping updates and delivery details from our team or supplier.
  • Upon Delivery: We kindly ask that you inspect all items carefully. In the event you discover any damages notify us at support@myenergyflow.com immediately so we can assist promptly. 
Returns & Warranty

Your peace of mind is as important as your wellness journey. That’s why every product is supported by a carefully defined return and warranty policy — giving you confidence and clarity with every purchase.

🔄 Refund & Return Policy

  • Return Window: You may request a return within 30 days of delivery, provided the item is unused, in original packaging, and in re-sellable condition.
  • Return Requirements: To help us maintain the highest level of service, all approved returns are subject to a 20% restocking fee. Return shipping costs are the responsibility of the customer, and original or expedited shipping charges are non-refundable.
  • How to Start a Return: Email support@myenergyflow.com with your order number, reason for return, and any relevant photos. Once approved, returns must be shipped back within 7 days of authorization.

🛡️ Warranty

  • Manufacturer's Warranty: Your purchase is backed by SaunaLife’s limited lifetime warranty for residential use, covering the sauna’s structure and components against defects in workmanship.
  • Exclusions: Warranty does not cover damage resulting from misuse, improper installation, accidents, unauthorized modifications, or use beyond recommended specifications.
  • Support & Claims: To initiate a warranty claim, please email support@myenergyflow.com with your order number, a description of the issue, and relevant photos or videos. 

Thank you for choosing My Energy Flow. Your confidence, comfort, and wellness are at the heart of everything we do — and we’re here to support you at every step of your journey. More than a purchase, your order is the beginning of a trusted relationship, and our team is always ready to provide clarity, care, and guidance whenever you need it.