Theradia Wellness
SaunaLife Model G4 – Garden-Series Outdoor Home Sauna Kit, Up to 6 Person Scandinavian Backyard Sauna
SaunaLife Model G4 – Garden-Series Outdoor Home Sauna Kit, Up to 6 Person Scandinavian Backyard Sauna
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SaunaLife Model G4 Garden-Series Outdoor Home Sauna Kit — Up to ~6 Persons
Transform your backyard into a premium Scandinavian-style wellness retreat.
With roomy capacity, refined materials and thoughtful engineering, this kit allows you to bring sauna-quality comfort outdoors.
Why Choose the G4 — and Why It Matters
- Designed to accommodate up to ~6 bathers, making it suitable for families or groups.
- Constructed with premium Nordic Spruce wall beams (approx. 1.75″ thick) and Grade-A Aspen benches/back-rests (knot-free, smooth finish) for durability and comfort.
- Features full-glass front and side window for natural light and connection to your outdoor surroundings.
- Includes a low-voltage waterproof LED lighting system (WiFi/app + remote) for mood and usability.
- Important: This kit includes the sauna shell (walls, benches, lighting, door/window elements, roof) but the wood-burning heater is not included. On the product page you’ll find multiple heater-bundle options listed (e.g., “Wood-Burning Heater Bundle”, “Electric Heater Bundle”) with pricing visible in the variant dropdown. Ensure you select your preferred heater option before checkout.
Key Features & Benefits
- Capacity for up to ~6 people, enabling shared sauna sessions.
- Premium materials: Nordic Spruce exterior, Aspen benches/back-rests for comfort and durability.
- Full-glass front and side window — more natural light, more sense of space.
- Included LED lighting system with app/remote control — ambiance meets convenience.
- Outdoor-engineered design: weather-managed roof, interlocking-beam construction, sturdy build.
- Flexible heating options — heater sold separately; you choose the model/size via the variant list (look for the heater section on the product page with pricing).
- DIY kit format—designed for assembly with two persons over ~2 days.
Specifications (Approximate)
| Feature | Specification |
|---|---|
| Wall Material | Nordic Spruce wall beams approx. 1.75″ thick |
| Bench / Backrest | Grade-A Aspen (knot-free), two-tier bench layout |
| Capacity | Up to ~6 persons |
| Included Components | Sauna kit (shell, benches, windows/door, LED lighting, roof) Heater not included |
| Heater Options | Multiple heater-bundle variants listed on the product page (select from dropdown to view model/size/pricing) |
| Installation Time | Estimated ~2 persons, ~2 days for kit assembly |
Installation & Maintenance
- Site Preparation: Ensure a level and stable foundation suitable for the sauna structure and occupants.
- Delivery & Setup: The kit is shipped with structural panels and components. You’ll need to select and install your heater (see heater options on the product page) to complete the system.
- Heater Selection: On the product page, locate the heater-bundle dropdown (look for “Heater Options” or “Bundle”). When you select an option, the pricing appears. Choose the size/model that fits your space.
- Maintenance: After every session, wipe down benches and interior surfaces. Annually inspect exterior wood, hardware and drainage. Premium materials reduce long-term upkeep.
- Outdoor Use Considerations: Although designed for exterior installation, ensure proper clearance, ventilation, safe wiring for heater, and that your site accommodates the structure.
Trusts & Guarantees
- Secure Checkout: Your transaction is protected by industry-standard encryption and secure payment gateways, ensuring your personal and financial data remain safe.
- Multiple Payment Methods: We accept major credit cards, debit cards, popular digital wallet options, and offer financing plans (subject to approval) so you can pay in the way that fits your budget.
- Authorized Dealer: You are purchasing a genuine SaunaLife product via an authorized retailer—Ensuring authenticity, support and access to parts/service.
- Manufacturer Warranty: This kit is backed by a warranty covering materials and workmanship for residential use. Refer to the product’s documentation for full terms.
- Customer Satisfaction Commitment: From order placement to delivery, installation and long-term ownership, our support team is here to assist—Your satisfaction is our priority.
If you’re ready to upgrade your outdoor living space with a high-quality sauna kit that blends luxury materials, shared-capacity design and flexibility in heater selection, the SaunaLife Model G4 is an exceptional choice. Just remember: the wood-burning heater is not included, and you’ll need to choose your heater option (with visible pricing) from the variant dropdown on the product page.
Select your heater bundle, secure your sauna kit, and unlock your backyard wellness sanctuary.

- Description
- Narvi Inari Bundle
- Navari Kuru Bundle (13kW)
- Customize
- SaunaLife Warranty
- SaunaLife Shipping
SaunaLife Model G4 Garden-Series Outdoor Home Sauna Kit — Up to ~6 Persons
Transform your backyard into a premium Scandinavian-style wellness retreat.
With roomy capacity, refined materials and thoughtful engineering, this kit allows you to bring sauna-quality comfort outdoors.
Why Choose the G4 — and Why It Matters
- Designed to accommodate up to ~6 bathers, making it suitable for families or groups.
- Constructed with premium Nordic Spruce wall beams (approx. 1.75″ thick) and Grade-A Aspen benches/back-rests (knot-free, smooth finish) for durability and comfort.
- Features full-glass front and side window for natural light and connection to your outdoor surroundings.
- Includes a low-voltage waterproof LED lighting system (WiFi/app + remote) for mood and usability.
- Important: This kit includes the sauna shell (walls, benches, lighting, door/window elements, roof) but the wood-burning heater is not included. On the product page you’ll find multiple heater-bundle options listed (e.g., “Wood-Burning Heater Bundle”, “Electric Heater Bundle”) with pricing visible in the variant dropdown. Ensure you select your preferred heater option before checkout.
Key Features & Benefits
- Capacity for up to ~6 people, enabling shared sauna sessions.
- Premium materials: Nordic Spruce exterior, Aspen benches/back-rests for comfort and durability.
- Full-glass front and side window — more natural light, more sense of space.
- Included LED lighting system with app/remote control — ambiance meets convenience.
- Outdoor-engineered design: weather-managed roof, interlocking-beam construction, sturdy build.
- Flexible heating options — heater sold separately; you choose the model/size via the variant list (look for the heater section on the product page with pricing).
- DIY kit format—designed for assembly with two persons over ~2 days.
Specifications (Approximate)
| Feature | Specification |
|---|---|
| Wall Material | Nordic Spruce wall beams approx. 1.75″ thick |
| Bench / Backrest | Grade-A Aspen (knot-free), two-tier bench layout |
| Capacity | Up to ~6 persons |
| Included Components | Sauna kit (shell, benches, windows/door, LED lighting, roof) Heater not included |
| Heater Options | Multiple heater-bundle variants listed on the product page (select from dropdown to view model/size/pricing) |
| Installation Time | Estimated ~2 persons, ~2 days for kit assembly |
Installation & Maintenance
- Site Preparation: Ensure a level and stable foundation suitable for the sauna structure and occupants.
- Delivery & Setup: The kit is shipped with structural panels and components. You’ll need to select and install your heater (see heater options on the product page) to complete the system.
- Heater Selection: On the product page, locate the heater-bundle dropdown (look for “Heater Options” or “Bundle”). When you select an option, the pricing appears. Choose the size/model that fits your space.
- Maintenance: After every session, wipe down benches and interior surfaces. Annually inspect exterior wood, hardware and drainage. Premium materials reduce long-term upkeep.
- Outdoor Use Considerations: Although designed for exterior installation, ensure proper clearance, ventilation, safe wiring for heater, and that your site accommodates the structure.
Trusts & Guarantees
- Secure Checkout: Your transaction is protected by industry-standard encryption and secure payment gateways, ensuring your personal and financial data remain safe.
- Multiple Payment Methods: We accept major credit cards, debit cards, popular digital wallet options, and offer financing plans (subject to approval) so you can pay in the way that fits your budget.
- Authorized Dealer: You are purchasing a genuine SaunaLife product via an authorized retailer—Ensuring authenticity, support and access to parts/service.
- Manufacturer Warranty: This kit is backed by a warranty covering materials and workmanship for residential use. Refer to the product’s documentation for full terms.
- Customer Satisfaction Commitment: From order placement to delivery, installation and long-term ownership, our support team is here to assist—Your satisfaction is our priority.
If you’re ready to upgrade your outdoor living space with a high-quality sauna kit that blends luxury materials, shared-capacity design and flexibility in heater selection, the SaunaLife Model G4 is an exceptional choice. Just remember: the wood-burning heater is not included, and you’ll need to choose your heater option (with visible pricing) from the variant dropdown on the product page.
Select your heater bundle, secure your sauna kit, and unlock your backyard wellness sanctuary.
Narvi Inari Wood-Burning Sauna Stove – 16kW Finnish Sauna Heater
Experience authentic Finnish sauna bathing with the Narvi Inari Wood-Burning Sauna Stove, a powerful 16kW stove designed for home and cabin saunas. With its original design, visible stone grid, and efficient heating, the Inari provides consistent, enjoyable steam for frequent sauna users.
Authentic Wood-Burning Experience
The Narvi Inari stove heats efficiently with minimal wood, delivering a warm and relaxing sauna atmosphere. Its sturdy steel casing is finished in classic black, and the cast-iron framed glass door provides a clear view of the glowing sauna stones. Adjustable legs allow for precise placement and easy installation.
Enhanced Stone Capacity Options
Choose between the Inari and Inari Plus models to customize your sauna experience. The Inari Plus version provides greater stone capacity for extended heat retention and more steam when ladling water over the stones. Stones are easily loaded behind the grid, creating both functional and attractive sauna visuals.
Versatile Installation
The flue can be attached from the top or the back of the stove. Note: attaching the flue to the back requires making a small hole in the stone basket using an iron saw to cut through the steel wires.
Technical Specifications
-
Type: Wood-burning sauna stove
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Power: 16kW
-
Sauna room size: 283 – 636 cu. ft.
-
Stone capacity:
-
Inari: Minimum 132 lbs
-
Inari Plus: Minimum 198 lbs
-
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Adjustable feet for leveling
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Steel casing painted black
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Comfortable wooden handle
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Designed and made in Finland
-
Limited 2-year warranty
What’s Included
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Narvi Inari Sauna Stove
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Installation and operation manual
-
2-Year Limited Warranty
Bring the warmth, aroma, and tradition of an authentic Finnish wood-fired sauna into your home with the Narvi Inari Sauna Stove—designed for performance, beauty, and lasting durability.
Narvi Split-Face Sauna Stones – 10-15cm, 44 lbs Olivine Diabase
Enhance your sauna experience with Narvi Split-Face Sauna Stones, crafted from premium olivine diabase for maximum durability and superior heat retention. Designed to fit most wood-burning and electric sauna heaters, these stones produce rich, consistent steam, elevating every sauna session.
The split-face shape allows water to evaporate efficiently, creating soft, luxurious steam while ensuring proper airflow between the stones and heating elements. Each box contains 44 lbs of stones, with sizes ranging from 10 to 15 cm (4–6 inches)—perfect for creating the optimal sauna environment.
Key Features:
-
Made of high-quality olivine diabase
-
Split-face design for optimal steam generation
-
Durable with high-heat capacity
-
Stone sizes: 10-15 cm (4–6 inches)
-
Weight: 44 lbs per box
-
Ideal for electric and wood-burning sauna heaters
-
Enhances steam quality and sauna performance
Bring your sauna to life with the Narvi Split-Face Sauna Stones—engineered for performance, durability, and a superior sauna experience.
Narvi Round Sauna Stones – 10-15cm, 44 lbs Olivine Diabase
Upgrade your sauna experience with Narvi Round Sauna Stones, crafted from premium olivine diabase for long-lasting durability and excellent heat retention. Designed to fit most electric and wood-burning sauna heaters, these rounded stones deliver consistent, luxurious steam for a superior sauna session.
The rounded shape promotes optimal water evaporation and even heat distribution, enhancing both comfort and performance. Each box contains 44 lbs of stones, sized 10–15 cm (4–6 inches), perfect for creating the ideal sauna environment.
Key Features:
-
Made of high-quality olivine diabase
-
Rounded design for smooth steam generation
-
Durable with high-heat capacity
-
Stone sizes: 10-15 cm (4–6 inches)
-
Weight: 44 lbs per box
-
Compatible with electric and wood-burning sauna heaters
-
Enhances steam quality and sauna performance
Experience the ultimate in sauna comfort with Narvi Round Sauna Stones—engineered for reliability, durability, and optimal sauna performance.
Adjustable Rustproof Steel Sauna Heater Installation Base – Universal Fit
Ensure a safe and stable installation for your sauna heater with this adjustable rustproof steel installation base, designed for saunas with wooden or paved floors. Perfect for both residential and commercial sauna setups, the base elevates your heater, provides added safety, and allows for precise leveling—even on slanted floors—thanks to fully adjustable legs.
Crafted from durable, rustproof steel, this installation base ensures long-lasting performance in high-temperature, high-humidity sauna environments. Compatible with most wall-mounted and free-standing sauna heaters, it provides a professional-quality installation solution.
Key Features:
-
Made of black rustproof steel for durability and corrosion resistance
-
Adjustable legs for leveling on uneven or slanted floors
-
Provides added safety for sauna heater placement
-
Fits saunas with wooden or paved floors
-
Dimensions: 21.7"W x 24.4"D x 2.8"-3.7"H (55 x 62 x 7-9 cm)
-
Designed, engineered, and made in Finland
Elevate your sauna setup with a secure, professional-grade installation base that ensures safety, stability, and longevity for your sauna heater.
Narvi Kuru 13kW Wood-Burning Sauna Stove – Authentic Finnish Sauna Experience
Experience the authentic Finnish sauna with the Narvi Kuru 13kW wood-burning sauna stove, designed to deliver comforting, consistent heat and perfect steam for your sauna sessions. Its stylish black steel housing provides a modern yet classic look, while the glazed door lets you enjoy the mesmerizing view of the live fire. Equipped with comfortable wooden handles, this stove ensures safe and easy operation for every bather.
The Narvi Kuru 13kW is ideal for sauna rooms ranging from 283 to 494 cubic feet, making it perfect for family or small group use. With a minimum stone requirement of 77 lbs, it generates soft, consistent steam, enhancing your relaxation experience. Built with Finnish craftsmanship, the Kuru stove combines durability, efficiency, and timeless design for a lifetime of sauna enjoyment.
Key Features:
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Wood-burning sauna stove for authentic sauna experiences
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13kW power output suitable for 283–494 cu. ft. sauna rooms
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Stylish black steel housing with classic aesthetics
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Glazed door for viewing live fire
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Comfortable wooden handles for safe and easy use
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Requires 77 lbs of sauna stones (minimum)
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Designed, engineered, and made in Finland
-
1-Year limited warranty
Bring the authentic sauna atmosphere to your home with the Narvi Kuru 13kW wood-burning sauna stove.
Narvi Split-Face Sauna Stones – 10-15cm, 44 lbs Olivine Diabase
Enhance your sauna experience with Narvi Split-Face Sauna Stones, crafted from premium olivine diabase for maximum durability and superior heat retention. Designed to fit most wood-burning and electric sauna heaters, these stones produce rich, consistent steam, elevating every sauna session.
The split-face shape allows water to evaporate efficiently, creating soft, luxurious steam while ensuring proper airflow between the stones and heating elements. Each box contains 44 lbs of stones, with sizes ranging from 10 to 15 cm (4–6 inches)—perfect for creating the optimal sauna environment.
Key Features:
-
Made of high-quality olivine diabase
-
Split-face design for optimal steam generation
-
Durable with high-heat capacity
-
Stone sizes: 10-15 cm (4–6 inches)
-
Weight: 44 lbs per box
-
Ideal for electric and wood-burning sauna heaters
-
Enhances steam quality and sauna performance
Bring your sauna to life with the Narvi Split-Face Sauna Stones—engineered for performance, durability, and a superior sauna experience.
Narvi Round Sauna Stones – 10-15cm, 44 lbs Olivine Diabase
Upgrade your sauna experience with Narvi Round Sauna Stones, crafted from premium olivine diabase for long-lasting durability and excellent heat retention. Designed to fit most electric and wood-burning sauna heaters, these rounded stones deliver consistent, luxurious steam for a superior sauna session.
The rounded shape promotes optimal water evaporation and even heat distribution, enhancing both comfort and performance. Each box contains 44 lbs of stones, sized 10–15 cm (4–6 inches), perfect for creating the ideal sauna environment.
Key Features:
-
Made of high-quality olivine diabase
-
Rounded design for smooth steam generation
-
Durable with high-heat capacity
-
Stone sizes: 10-15 cm (4–6 inches)
-
Weight: 44 lbs per box
-
Compatible with electric and wood-burning sauna heaters
-
Enhances steam quality and sauna performance
Experience the ultimate in sauna comfort with Narvi Round Sauna Stones—engineered for reliability, durability, and optimal sauna performance.
Adjustable Rustproof Steel Sauna Heater Installation Base – Universal Fit
Ensure a safe and stable installation for your sauna heater with this adjustable rustproof steel installation base, designed for saunas with wooden or paved floors. Perfect for both residential and commercial sauna setups, the base elevates your heater, provides added safety, and allows for precise leveling—even on slanted floors—thanks to fully adjustable legs.
Crafted from durable, rustproof steel, this installation base ensures long-lasting performance in high-temperature, high-humidity sauna environments. Compatible with most wall-mounted and free-standing sauna heaters, it provides a professional-quality installation solution.
Key Features:
-
Made of black rustproof steel for durability and corrosion resistance
-
Adjustable legs for leveling on uneven or slanted floors
-
Provides added safety for sauna heater placement
-
Fits saunas with wooden or paved floors
-
Dimensions: 21.7"W x 24.4"D x 2.8"-3.7"H (55 x 62 x 7-9 cm)
-
Designed, engineered, and made in Finland
Elevate your sauna setup with a secure, professional-grade installation base that ensures safety, stability, and longevity for your sauna heater.
Enhance your SaunaLife outdoor sauna experience with our premium selection of sauna heaters, controls, and essential components, designed to deliver superior performance, energy efficiency, and lasting durability. Whether you’re building your dream sauna or upgrading an existing setup, we offer high-quality electric heaters, traditional wood-burning stoves, digital control panels, and accessories that perfectly complement SaunaLife Cube-Series, Garden-Series, and other home sauna models.
From sleek wall-mounted electric heaters to powerful wood-burning stoves, each unit is crafted for optimal heat distribution, reliable performance, and authentic sauna steam. Pair your heater with advanced digital control systems for easy temperature, humidity, and lighting adjustments — even remotely via Wi-Fi. Complete your setup with essential components such as installation bases, sauna stones, humidity sensors, and ventilation kits to ensure maximum safety, comfort, and efficiency.
Our collection includes trusted brands like Harvia, HUUM, and Narvi, all renowned for their quality craftsmanship, innovative technology, and Scandinavian design. Whether you’re looking for a compact 4.5kW heater for a small 2-person sauna or a powerful 16kW wood-burning stove for larger spaces, we have the perfect solution for your needs.
Need help choosing the right heater or accessories for your SaunaLife sauna?
Our sauna experts are here to guide you every step of the way. For personalized recommendations, installation support, or product compatibility questions, contact us at support@theradiawellness.com.
Key Features:
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Wide range of electric and wood-burning sauna heaters for all sauna sizes
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Digital and Wi-Fi-enabled control panels for precise temperature and humidity management
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Essential sauna components: installation bases, sauna stones, sensors, and more
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Compatible with SaunaLife Cube-Series, Garden-Series, and custom home saunas
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Trusted global brands: Harvia, HUUM, Narvi
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Designed for efficiency, durability, and authentic Finnish sauna experiences
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Expert support and installation guidance available
Transform your SaunaLife outdoor sauna into a personalized wellness retreat with the perfect combination of heater, controls, and components.
SAUNA LIFE SAUNA LIMITED LIFETIME WARRANTY
Sauna Life extends this Limited Warranty solely to the original retail consumer purchaser of any Sauna Life sauna purchased from one of its authorized resellers.
LIMITED LIFETIME SAUNA WARRANTY
Sauna Life warrants that the Sauna Life sauna shall be free from defects in workmanship under normal conditions of use and service for the lifetime of the sauna for residential applications after delivery to the original retail purchaser. This warranty is limited to making good any factory assembled component which in the judgment of Sauna Life is deemed defective in workmanship. The warranty does not cover normal material wear, natural weathering of the lumber, or installation or delivery of components and applies only to the original retail purchaser.
WARRANTY PERFORMANCE
For any warranty service, Sauna Life reserves the right to choose, at its option, repair of the problem or a replacement of the defective part. Sauna Life reserves the right to substitute a part or component of
equivalent value, either new or factory reconditioned, and any such repair or replacement shall assume as its warranty only the remaining portion of the warranty on the original product. In the event Sauna Life chooses to repair any malfunction or defect covered by this warranty, a return authorization will be is- sued, and the component will be returned prepaid freight to Sauna Life for repair of the defect. Sauna Life will then ship the component back the original retail purchaser upon completion of the repair. Prior to any return, contact Sauna Life at: Sauna Life, 511 Glenn Avenue, Wheeling, Illinois 60090, telephone number: (800) 957-2862, for packaging and shipping instructions and a return authorization number. In addition, Sauna Life will require photographs of any defect and reserves the right to inspect or designate an agent to inspect any part that is claimed to be defective and covered by this warranty. Labor charges and related expenses for removal, installation, or replacement of the sauna or its components are not covered under this warranty. Normal wear and tear, cosmetic issues or changes to individual pieces of lumber due to nat- ural aging and weathering are not covered. Sauna heaters and added components are not covered by this warranty.
ACTS INVALIDATING WARRANTY
This warranty is void if the Sauna Life sauna has been subject to alteration, misuse or abuse, commercial use, or if any repairs on the sauna are attempted by anyone other than an authorized representative of Sauna Life. Alteration shall include, but is not limited to, deviation from the original assembly instructions, component change, or the addition of any non-approved device or heating system, which contributes to a component or unit failure, or unsafe operating system. Use of the sauna in an application for which it is not designed will void this warranty. This includes, but is not limited to, damage caused by operation above safe sauna operating temperatures, damage caused by added components, damage to the sauna’s surface caused by harsh chemicals, damage caused by movement of the product, and damage caused by acts of God.
DISCLAIMERS
Except as expressly provided above, Sauna Life makes no other representation or warranty, express or im- plied, either in fact or operation of law, statute, or otherwise, and Sauna Life specifically disclaims any and all implied or statutory warranties, including warranties or merchantability and of fitness for a particular purpose. Sauna Life shall not be liable for loss of use of the Sauna Life sauna or other incidental or conse- quential costs, expenses, or damage, which may include but are not limited to, the removal of or reinstal- lation of a wall, deck or other fixture, water leakage, costs of shipping or packaging, applicable taxes, or the payment of any costs or expenses of disassembly, removal, or reinstallation of the product or any part. Your rights may vary from state to state. Under no circumstances shall Sauna Life or its representatives be held liable for injury to any person or damage to any property, however arising, even if caused by the Sau- na Life Sauna or its representatives’ negligence. No distributor, salesperson, dealer, retailer, or other rep- resentative of Sauna Life has the authority to alter or change these warranties either orally or in writing.
Flat Rate Freight: Flat rate shipping to the contiguous United States. Note: On rare occasions, remote or complex delivery areas may not qualify for these rates.
About This Delivery: The weight and packaging of this handcrafted tub requires delivery by special appointment. It arrives on a wooden pallet encased in wood for solid protection. The driver is responsible for “curbside delivery only” and will lower the item to ground level. Prior to shipping this product, we often contact customers to share shipment details and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses. Our goal is to ensure your project’s success.