The KOHLER C1 Indoor Sauna in Scandinavian Spruce is a fully engineered indoor sauna kit designed for freestanding or alcove installation. Built with premium Scandinavian spruce interior and exterior wall panels, tempered glass, and thick insulated construction, the C1 creates a warm, bright, spa-like retreat for a dedicated wellness room, luxury bathroom, or home gym.
Available in Small, Medium, and Large sizes, the C1 arrives as a complete system with a FERO electric sauna heater, sauna stones, heater guard, indirect lighting, accessories, and an external digital control panel. Inside, a solid obeche bench and matching backrest with warm 2700K indirect lighting help deliver a clean, calming European sauna feel at home.
Up to 2, 3, or 5 users
Freestanding or alcove
Dedicated 240 V circuit
Floor and no-floor options
Need help choosing the right C1 size and floor option?
We can help you confirm fit, layout, electrical planning, and whether a floor or no-floor model makes the most sense for your room.
- Compare Small, Medium, and Large sizing
- Review floor vs no-floor placement needs
- Confirm access, electrical rough-in, and installation readiness
Key Features
- Complete indoor sauna package: Scandinavian spruce interior and exterior with heater, stones, controls, lighting, and accessories included
- Three sizes: Small for up to 2 users, Medium for up to 3, and Large for up to 5
- FERO electric sauna heater included: Traditional sauna performance with heater guard and sauna stones
- Warm white 2700K indirect LED lighting: Soft backrest lighting creates a calm, relaxing atmosphere
- Digital external control panel: Controls temperature, session time, and backrest lighting
- Dual thermostatic control: Supports safe, repeatable sauna sessions
- Insulated wall construction: Mineral wool insulation and rubber seals help retain heat efficiently
- Aerotherm ventilation system: Supports fresh air exchange and more even heat distribution
- Flexible placement: Designed for freestanding or alcove installation
- Floor and no-floor options: Choose the configuration that best fits your room design
Available Sizes and Variants
Select your KOHLER C1 Indoor Sauna in Scandinavian Spruce by size and floor option. Each model is available in a standard sauna-only configuration, with installation variants offered where available.
-
Small – up to 2 people
- No Floor: K-38440-0FNC-SPS
- With Floor: K-38440-1FNC-SPS
-
Medium – up to 3 people
- No Floor: K-38441-0FNC-SPS
- With Floor: K-38441-1FNC-SPS
-
Large – up to 5 people
- No Floor: K-39166-0FNC-SPS
- With Floor: K-39166-1FNC-SPS
Required Site Components
- Location: Indoor room with proper clearances, ventilation, and moisture-tolerant finishes
- Foundation: Level indoor surface appropriate for the selected floor or no-floor configuration
- Electrical: Dedicated 240 V circuit sized for the included heater and controls, installed by a licensed electrician
- Access: Clear path for bringing wall panels, glass, and components into the installation area
- With installation variants: Site should be fully prepared before installer arrival, including finished surface and electrical rough-in
What’s Included
- KOHLER C1 Indoor Sauna cabin in Scandinavian Spruce (Small, Medium, or Large)
- Scandinavian spruce interior and exterior wall and ceiling panels
- Front frame, side, and rear wall panels
- Ceiling elements and bottom frame for with-floor models
- Solid obeche bench, matching backrest, headrest, and stool
- Heater safety rail
- Warm white 2700K indirect LED backrest lighting
- Freestanding FERO electric sauna heater
- Sauna stones and heater guard
- Aerotherm ventilation system
- Tempered glass door and windows with interior and exterior handles
- Mineral wool insulation and rubber seals between wall sections
- Exterior digital control panel
- Wall-mounted thermometer
- Beech wood 20-minute sand timer
- Installation hardware and fasteners
- Installation and operation manual
- Limited consumer warranty per KOHLER specifications
- With installation variants: Professional assembly and placement according to KOHLER guidelines
Specifications – Scandinavian Spruce Models
Shared System Specifications
| Interior Material | Scandinavian spruce wall and ceiling panels |
| Exterior Finish | Scandinavian spruce exterior wall panels |
| Seating and Backrest | Solid obeche wood bench, backrest, headrest, and stool |
| Door and Windows | Approximately 8 mm tempered glass door and side glazing |
| Insulation | Mineral wool insulation between wall panels with rubber seals |
| Heater | Freestanding FERO electric sauna heater with stones and guard |
| Electrical Requirement | 240 V dedicated circuit, with breaker and wiring sized per model and local code |
Small – Scandinavian Spruce (up to 2 people)
| Models | No Floor – K-38440-0FNC-SPS With Floor – K-38440-1FNC-SPS |
| Nominal Exterior Dimensions (W × D × H) | Approximately 66 in × 48 in × 87 in |
| Actual Exterior Dimensions (W × D × H) | Approximately 65.8 in × 47.8 in × 86.4 in |
| Approximate Capacity | Up to 2 users |
| Approximate Shipping Weight – No Floor Model | Approximately 695 lbs (varies by configuration) |
Medium – Scandinavian Spruce (up to 3 people)
| Models | No Floor – K-38441-0FNC-SPS With Floor – K-38441-1FNC-SPS |
| Nominal Exterior Dimensions (W × D × H) | Approximately 78 in × 56 in × 87 in |
| Actual Exterior Dimensions (W × D × H) | Approximately 77.6 in × 55.7 in × 86.5 in |
| Approximate Capacity | Up to 3 users |
| Approximate Shipping Weight – No Floor Model | Approximately 760 lbs (varies by configuration) |
Large – Scandinavian Spruce (up to 5 people)
| Models | No Floor – K-39166-0FNC-SPS With Floor – K-39166-1FNC-SPS |
| Nominal Exterior Dimensions (W × D × H) | Approximately 82 in × 80 in × 87 in |
| Actual Exterior Dimensions (W × D × H) | Approximately 81.4 in × 79.3 in × 86.4 in |
| Approximate Capacity | Up to 5 users |
| Approximate Shipping Weight – No Floor Model | Approximately 1125 lbs (varies by configuration) |
What Makes This Different
Matching spruce interior and exterior panels create a bright, natural, spa-like look that feels warm and refined.
With Small, Medium, and Large footprints plus floor and no-floor options, the C1 adapts to a wider range of indoor layouts.
Heater, stones, controls, lighting, accessories, and ventilation are designed as one coordinated package.
Why Choose the C1 Indoor Sauna in Scandinavian Spruce?
- Complete indoor sauna system with heater, stones, controls, and lighting included
- Scandinavian spruce interior and exterior for a bright, natural, spa-like environment
- Flexible sizing and configuration to fit dedicated wellness rooms, bathrooms, or home gyms
- Engineered by KOHLER for long-term durability and consistent performance
Compare at a Glance
| Feature | Small C1 | Medium C1 | Large C1 |
|---|---|---|---|
| Capacity | Up to 2 users | Up to 3 users | Up to 5 users |
| Exterior Dimensions | Approx. 66 in × 48 in × 87 in | Approx. 78 in × 56 in × 87 in | Approx. 82 in × 80 in × 87 in |
| Configuration Options | Floor or No Floor | Floor or No Floor | Floor or No Floor |
| Installation Style | Freestanding or Alcove | Freestanding or Alcove | Freestanding or Alcove |
| Electrical | Dedicated 240 V circuit | Dedicated 240 V circuit | Dedicated 240 V circuit |
Specs are approximate and can vary by configuration. Verify final details on the product page and KOHLER documentation.
Site Prep & Installation
- Location: Indoor room with proper ventilation, clearances, and moisture-appropriate finishes
- Foundation: Level surface appropriate for your selected floor or no-floor configuration
- Electrical: Dedicated 240 V circuit installed by a licensed electrician according to local code and KOHLER documentation
- Access: Make sure wall panels, glass, and components can be moved into the installation space
- Installation planning: With installation variants still require site readiness before arrival
Shipping & Returns
- Shipping Method: Freight delivery with scheduled appointment
- Delivery: Free standard U.S. freight shipping to most locations, with restrictions possible
- Returns: 14-day return policy on unused, uninstalled units in original packaging, subject to store policy
Support, Warranty, and Buying Confidence
When shopping for a premium indoor sauna, product details matter, but so does support before and after the sale. At My Luxury Home Spa, we help customers compare sizes, understand floor and no-floor options, and prepare for delivery and installation.
The KOHLER C1 Indoor Sauna in Scandinavian Spruce is backed by limited consumer warranty coverage per KOHLER specifications. If you have questions before ordering, our team can help you review fit, access, electrical planning, and installation readiness.
Manuals & Documentation
Small – C1 Two-person Indoor Sauna Technical Guide (K-38440-0FNC)
Medium – C1 Three-person Indoor Sauna Technical Guide (K-38441-0FNC)
Large – C1 Five-person Indoor Sauna Technical Guide (K-39166-0FNC)
C1 Indoor Sauna – Installation & Assembly Manual
Frequently Asked Questions
Does the C1 Indoor Sauna include a heater and sauna stones?
What is the difference between no-floor and with-floor models?
Can the C1 Indoor Sauna be installed in an alcove?
Do I need professional installation?
What electrical requirements should I plan for?
Shipping & Delivery
Do you ship to the USA? Yes, we provide shipping to the contiguous United States. Shipping costs and estimated delivery times are calculated at checkout based on the weight and dimensions of your order.
Are there import duties or taxes? Transparency Disclosure: Because your order ships from the DE, it may be subject to US import duties or customs fees. These fees are the responsibility of us.
How long is the "Handling Time"? Our standard handling time is 1–2 business days. This is the time it takes to process your order before it leaves our facility.
What is the "Transit Time"? Transit time to the USA typically takes 3–5 business days via our international carriers. You will receive a tracking link as soon as your order is dispatched.
Returns & Refunds
What is your return window? In alignment with Google’s best practices, we offer a 30-day return policy. You have 30 days from the date of delivery to request a return.
How do I start a return? To initiate a return, please email Contact@yourspapool.com with your order number. We will provide you with the appropriate return shipping address.
What condition must the items be in? Items must be in their original packaging, unused, and in the same condition that you received them.
When will I receive my refund? Once your return is received and inspected, we will process your refund within 10 business days. The credit will automatically be applied to your original method of payment.
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