
Description
The Kohler C1 3-Person Indoor Sauna (Scandinavian Spruce) is the ideal “middle size” option for homeowners who want more room than a 2-person sauna without stepping up to a full large spa footprint.
Built with Scandinavian spruce inside and out, and finished with tempered glass panels, this model provides an open feel, strong heat efficiency, and a premium traditional sauna experience for small families or shared sessions.
Heating System & Electrical Requirements
Included Heater: FERO Electric Sauna Heater
Power: 4.5kW
Voltage: 220–240V
Amperage: 30A
Outlet Type: NEMA 6-30P
Sauna Room Amps: 30A
✔ Sauna stones included
✔ Heater guard included
✔ External digital control panel
Important:
Requires dedicated 240V 30A electrical connection. Professional electrician recommended.
Interior Comfort & Experience
• Obeche wood bench (smooth, durable seating)
• Matching obeche backrest
• 2700K warm indirect LED lighting
• Aerotherm ventilation system for oxygen circulation
• Beech wood door handle (remains cool to touch)
Comfortably accommodates 3 adults seated.
Construction & Insulation
• 2.1” mineral wool insulation for heat retention
• Rubber door seals
• Tongue-and-groove precision joinery
• 0.3” tempered safety glass
• 2" wall clearance required
• 8’ ceiling clearance required
Installation Details
Installation Type:
✔ Freestanding
✔ Alcove
Electrical cord location: Top rear
Cord length: 9’10”
Floor Options:
• Spruce Floor
• No Floor (for tile installations)

Features
- Premium Scandinavian spruce interior and exterior walls
- Freestanding FERO electric sauna heater for a traditional sauna experience
- Warm white indirect lighting for gentle and relaxing atmosphere
- Dual thermostatic control for a safe, consistent, and repeatable sauna session
- Digital display controls temperature, time, and backrest lighting
- Aerotherm ventilation system that ensures adequate supply of oxygen and air exchange
- 2.1” (5.4 cm) thick mineral wool insulation between walls for heat retention
- 0.3” (.8 cm) tempered glass door and windows
- Beech wood door handles remain cool to the touch
- Tongue-and-groove walls and connections for a seamless appearance

What’s Included
Sauna Components
- 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 (Consumer Use)
Accessories
- Wall-Mounted Thermometer
- Beech 20-Minute Hourglass Sand Timer
- Headrest
- Stool
Specifications


Technical
Installation Manual |
|
Kohler C1 Spec Sheet |
|
Kohler C1 Spec Sheet With Floor |
|
Kohler Warranty |
|
Sauna Readiness Guide |
Why Choose the C1 3-Person Model?
• Ideal for small families
• Balanced space and performance
• Efficient traditional heating
• Premium interior craftsmanship
• Modern indoor design