The Kohler C1 Indoor Sauna features a premium Scandinavian spruce interior and Graphite Grey exterior that creates a warm, inviting atmosphere. An obeche wood bench and matching backrest are paired with 2700k warm-white indirect lighting for a comfortable and visually refined setting. Tempered glass doors and windows, along with mineral wool insulation and rubber seals, support excellent heat retention and a clean, modern look.

The C1 Indoor Sauna comes complete with a freestanding FERO sauna heater, sauna stones, and a heater guard. An external digital control panel offers straightforward access to temperature, session timing, and backrest lighting. Designed for freestanding or alcove installation, the C1 provides flexibility for a wide range of indoor layouts.

Features

• Premium Scandinavian spruce interior and Graphite Grey exterior walls
• Freestanding FERO 4.5kW electric sauna heater for a traditional sauna experience
• 2700k 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

Specifications

Construction Material
Scandinavian Spruce

Seating & Heater Safety Rail Material
Obeche Wood

Door & Window Material
Tempered Glass

Door Handle Material
Beech Wood

Floor Type
Spruce or No Floor

Installation Method
Freestanding or Aclove

Clearance Requirements
Wall: 2" (5 cm)
Ceiling: 8' (2.4 m)

Sauna Room Voltage
240V

Heater & Sauna Room Frequency
50/60 Hz

Heater Safety Distance
1.6" (4 cm)

Electrical Cord
Length: 9' 10" (2.9 m)
Location: Top Rear

Heater Fuel
Electric

Heater Voltage
220-240V

Heater Kilowatt Rating / Heater Amps / Sauna Room Amps
4.5kW / 30A / 30A

Outlet Specification
NEMA 6-30P

Interior Dimensions
Width: 59.1"
Depth: 39.4"
Height: 77.4"

Exterior Dimensions
Width: 65.8"
Depth: 46.1"
Height: 83.5"

Weight
With Floor: 713.1 lbs
Without Floor: 694.6 lbs

Shipping Weight
With Floor: 999.8 lbs
Without Floor: 981.2 lbs

What's Included

Sauna Kit

• 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

Manuals & Resources