Kohler C1 Indoor Sauna Kit | 2 Person, 3 Person, or 5 Person
Kohler C1 Indoor Sauna Kit | 2 Person, 3 Person, or 5 Person
- Authorized Retailer of Kohler
- Manufacturer Warranty Included
- Free Shipping to the Contiguous US
- Secure Checkout
- U.S.-Based Customer Support
The Kohler C1 Indoor Sauna Kit is a premium indoor sauna available in multiple sizes for up to 2 people, 3 people, or 5 people. Built with a Scandinavian spruce interior and exterior, tempered glass door and windows, and warm white indirect backrest lighting, the C1 is designed to bring a refined sauna experience into residential interiors.
Each Kohler C1 configuration includes a FERO electric sauna heater, sauna stones, heater guard, digital exterior control panel, and integrated lighting. Mineral wool insulation, rubber seals, and tongue-and-groove construction help support heat retention, while the Aerotherm ventilation system is designed to promote oxygen supply and air exchange during use.
This product is offered with your selectable configuration options for size and installation. Customers can choose their preferred cabin size and then select with installation or without installation from the available variant options.
Why Choose the Kohler C1 Indoor Sauna?
- Available in 2-person, 3-person, and 5-person layouts
- Designed for freestanding or alcove installation
- Premium Scandinavian spruce interior and exterior walls
- FERO freestanding electric sauna heater included
- Warm white indirect backrest lighting
- Tempered glass door and windows
- Digital control panel for temperature, session time, and backrest lighting
- Dual thermostatic control for repeatable sessions
- Aerotherm ventilation system for oxygen supply and air exchange
- 2.1" mineral wool insulation between walls
- Freestanding or alcove placement flexibility
Available Size & Installation Options
Choose the size that best fits your space and seating needs, then select your preferred installation option.
| Size Option | Actual Exterior Dimensions | Capacity |
| 66"W x 47"D x 87"H | 65.8"W x 46.9"D x 86.4"H | Up to 2 People |
| 78"W x 56"D x 87"H | 77.6"W x 55.8"D x 86.3"H | Up to 3 People |
| 82"W x 80"D x 87"H | 81.6"W x 79.4"D x 86.4"H | Up to 5 People |
Installation Options: With Installation or Without Installation
Key Features
- Premium Scandinavian spruce interior and exterior walls
- FERO freestanding electric sauna heater for traditional sauna bathing
- Warm white indirect backrest lighting
- Digital display for temperature, session time, and backrest lighting
- Dual thermostatic control for safe, consistent, and repeatable sessions
- Aerotherm ventilation system for oxygen supply and air exchange
- 2.1" mineral wool insulation between walls
- Tempered glass door and windows
- Beech wood door handles
- Tongue-and-groove walls and connections for a seamless appearance
- Designed for freestanding or alcove installation
What's Included
- Front frame panels
- Side wall panels
- Rear wall panels
- Ceiling elements
- Bottom frame
- Backrest
- Benches
- Electric sauna heater
- Heater guard
- Sauna stones
- Control panel
- Lighting
- Installation hardware
- Installation and operation manual
- 5-year limited warranty for consumer use
- Wall-mounted thermometer
- Beech 20-minute hourglass sand timer
- Headrest
- Stool
Specifications – All Sizes
| Construction Material | Scandinavian Spruce |
| Seating Material | Obeche Wood |
| Door Material | Tempered Glass |
| Window Material | Tempered Glass |
| Door Handle Material | Beech Wood |
| Heater Safety Rail Material | Obeche Wood |
| Floor Type | Spruce or No Floor |
| Installation Method | Freestanding or Alcove |
| Clearance Requirements (Wall) | 2" (5 cm) |
| Clearance Requirements (Ceiling) | 8' (2.4 m) |
| Electrical Cord Length | 9' 10" (2.9 m) |
| Electrical Cord Location | Top Rear |
| Heater Fuel | Electric |
| Heater Voltage | 220-240V |
| Heater Frequency | 50/60 Hz |
| Heater Safety Distance | 1.6" (4 cm) |
| Sauna Room Voltage | 240V |
| Sauna Room Frequency | 50/60 Hz |
Size Comparison
| Configuration | Heater | Interior Dimensions | Weight | Shipping Weight |
| Up to 2 People | 4.5kW / 30A / NEMA 6-30P | 59.1"W x 39.4"D x 77.4"H | 694.6 lbs (No Floor) / 713.1 lbs (Floor) | 981.2 lbs (No Floor) / 999.8 lbs (Floor) |
| Up to 3 People | 4.5kW / 30A / NEMA 6-30P | 70.9"W x 47.3"D x 77.4"H | 760.7 lbs (No Floor) / 786.7 lbs (Floor) | 1047.4 lbs (No Floor) / 1073.8 lbs (Floor) |
| Up to 5 People | 9kW / 50A / NEMA 6-50P | 74.8"W x 70.9"D x 77.4"H | 1124.6 lbs (No Floor) / 1911.2 lbs (Floor) | 1499.4 lbs (No Floor) / 2197.9 lbs (Floor) |
Shipping & Delivery
Freight Cost: This product's price includes shipping to the contiguous United States.
Delivery is made by special appointment on a wooden pallet. Delivery is curbside only, and the driver will lower the shipment to ground level. Customers may be contacted prior to shipping to review delivery details and discuss any site-specific conditions that could affect delivery.
Manuals & Downloads
- View Kohler C1 Readiness Guide
- View Kohler C1 Spec Sheet - K-38441-0FNC-SPS
- View Kohler C1 Spec Sheet - K-38440-0FNC-SPS
- View Kohler C1 Spec Sheet - K-39166-1FNC-SPS
- View Kohler C1 Spec Sheet - K-39166-0FNC-SPS
- View Kohler C1 Spec Sheet - K-38440-1FNC-SPS
- View Kohler C1 Spec Sheet - K-38441-1FNC-SPS
- View Kohler C1 2-Person Installation & Operation Manual
- View Kohler C1 3-Person Installation & Operation Manual
- View Kohler C1 5-Person Installation & Operation Manual
About the Brand
Kohler is a global leader in kitchen and bath products, known for innovative design, engineering excellence, and premium quality. Founded in 1873, Kohler brings decades of expertise to every product in their lineup.
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