Kohler C1 Luxury Indoor Sauna Kit

Kohler C1 Indoor Sauna Kit – Graphite Grey | Luxury Scandinavian Indoor Sauna (Up to 5 Persons)

Indoor Home Sauna • Scandinavian Spruce • Graphite Grey • Electric FERO Heater Included

Transform your home into a wellness sanctuary with the Kohler C1 Indoor Sauna, crafted with a premium Scandinavian spruce interior and a modern Graphite Grey exterior. Designed for both freestanding and alcove installation, the C1 blends luxury, durability, and superior heat performance for the ultimate indoor sauna experience. Soft 2700K warm white indirect lighting behind the obeche wood bench creates a calming ambiance, while tempered glass doors and windows maintain excellent heat retention.

This indoor sauna comes complete with a freestanding Kohler FERO electric heater, sauna stones, and a heater guard—ensuring a traditional, deeply relaxing sauna session. An external digital control panel provides effortless access to temperature, session time, and lighting, while dual thermostatic control ensures consistent and safe operation every time.

Key Features

• Premium Scandinavian Spruce Interior + Graphite Grey Exterior for a modern, warm aesthetic
• Freestanding FERO electric sauna heater included for authentic Finnish-style heat
• Obeche wood bench & backrest with warm indirect 2700K lighting for pure relaxation
• Tempered glass door & windows for superior insulation and contemporary design
• Mineral wool insulation (2.1”) ensures exceptional heat retention and energy efficiency
• Beech wood door handles remain cool to the touch for added comfort
• Digital control panel adjusts temperature, lighting, and session duration
• Aerotherm ventilation system supports healthy air flow and oxygen exchange
• Designed for freestanding OR alcove installation
• Tongue-and-groove construction provides a tight, seamless finish

Available in multiple cabin sizes to accommodate up to 2, 3, or 5 people.

Available Sizes & Capacities

Small – 66"W x 48"D x 87"H (Up to 2 Persons)

Actual Exterior: 65.8"W × 47.8"D × 86.4"H

• Heater: 4.5kW | 30A | NEMA 6-30P
• Interior: 59.1"W × 39.4"D × 77.4"H
• Weight: 694.6 lbs (Shipping: 981.2 lbs)

Medium – 78"W x 56"D x 87"H (Up to 3 Persons)

Actual Exterior: 77.6"W × 55.7"D × 86.5"H

• Heater: 4.5kW | 30A | NEMA 6-30P
• Interior: 70.9"W × 47.3"D × 77.4"H
• Weight: 760.7 lbs (Shipping: 1047.4 lbs)

Large – 82"W x 80"D x 87"H (Up to 5 Persons)

Actual Exterior: 81.4"W × 79.3"D × 86.4"H

• Heater: 9kW | 50A | NEMA 6-50P
• Interior: 74.8"W × 70.9"D × 77.4"H
• Weight: 1124.6 lbs (Shipping: 1499.4 lbs)

What’s Included

• Front, side, and rear wall panels
• Ceiling elements & bottom frame
• Benches & backrest
• FERO Electric Sauna Heater
• Heater guard
• Sauna stones
• Digital control panel
• Interior & exterior lighting
• Tempered glass door & windows
• Installation hardware
• Installation & operation manual
• 5-Year Limited Consumer Warranty

Construction & Technical Details

• Interior Material: Scandinavian Spruce
• Exterior Finish: Graphite Grey
• Seating Material: Obeche Wood
• Insulation: 2.1" mineral wool
• Ventilation: Aerotherm system
• Door & Windows: Tempered glass
• Door Handle: Beech wood
• Installation: Freestanding or alcove
• Heater Voltage: 220–240V
• Room Voltage: 240V
• Frequency: 50/60 Hz
• Clearance:
  • Wall: 2"
  • Ceiling: 8' minimum

Ideal For

• Homeowners wanting a luxury indoor wellness escape
• Sauna users seeking premium heat performance with energy-efficient insulation
• Modern homes, basements, fitness spaces, spa rooms, and wellness suites
• Anyone wanting a Kohler-designed sauna with exceptional craftsmanship and style