Kohler C1 K-38440-0FNC-SPS Two-Person Indoor Sauna, Scandinavian Spruce

• Brand: Kohler – C1 collection indoor sauna
• Model: K-38440-0FNC-SPS (two-person indoor sauna, no floor)
• Scandinavian spruce interior and exterior wall construction
• Obeche wood bench, backrest, and heater safety rail
• Tempered glass door and windows for open, modern sightlines
• Beech wood door handles designed to remain comfortable to the touch
• Traditional electric FERO sauna heater with included sauna stones
• 4.5 kW heater output for the two-person cabin size
• 240V, 30A electrical requirement with NEMA 6-30P outlet specification
• Digital exterior control panel for temperature, session time, and backrest lighting
• Dual thermostatic control for consistent cabin temperature
• Aerotherm ventilation system for fresh air exchange and comfortable breathing environment
• 2700K warm white indirect LED lighting behind the backrest
• Tongue-and-groove walls and connections for a clean, built-in appearance
• Approximately 2.1" mineral wool insulation between walls to support heat retention
• Designed for indoor, freestanding or alcove installation
• Nominal size: 66" W x 48" D x 87" H – up to 2 people
• Exterior (actual) dimensions approximately 65.8" W x 47.8" D x 86.4" H
• Interior dimensions approximately 59.1" W x 39.4" D x 77.4" H
• Approximate assembled weight: 694.6 lb (315.05 kg)
• Approximate shipping weight: 981.2 lb (445.08 kg)
• Floor type: “no floor” configuration; compatible with C1 two-person spruce floor kit (K-34275-SPS, sold separately)
• Compatible roof kit: K-39193 two-person indoor sauna roof kit (sold separately)
• 5-year limited consumer warranty on the C1 sauna (per manufacturer sauna warranty)

• Dimensions (WxDxH):
  66" W x 48" D x 87" H nominal footprint; exterior approx. 65.8" W x 47.8" D x 86.4" H
• Weight:
  Approx. 694.6 lb (315.05 kg); shipping weight approx. 981.2 lb (445.08 kg)
• Power / Electrical:
  4.5 kW electric sauna heater; 240V; 30A; 50/60 Hz; NEMA 6-30P outlet; sauna room voltage 240V
• Materials/Finish:
  Scandinavian spruce interior and exterior cabin; obeche wood bench, backrest, and heater guard; tempered glass door and windows; beech wood door handles; warm white (2700K) indirect LED backrest lighting
• Capacity/Performance:
  Up to 2 people (two-person C1 size); traditional dry electric sauna with Aerotherm ventilation system

Choosing the Kohler C1 two-person indoor sauna is a way to build a focused, high-quality wellness ritual into your daily routine without dedicating an entire room to a large cabin. The 66" x 48" footprint is sized for two bathers yet still fits comfortably in many primary bathrooms, home gyms, or wellness nooks. Scandinavian spruce inside and out keeps the look warm and architectural, so the sauna feels like a natural part of the space rather than a bulky add-on.

Because the C1 ships as a complete kit—with heater, benches, backrest, lighting, control panel, and hardware—there’s no need to source mismatched components. Kohler’s engineering and UL-certified construction give you a single, integrated system designed to work together for consistent performance and safety. With optional matching floor and roof kits available, you can tailor the installation to everything from tight alcoves to more open, lofted spaces.

Backed by a 5-year limited consumer warranty and Kohler’s long-standing reputation in bath and wellness fixtures, the C1 is designed to be a durable part of your home. For homeowners who want a traditional, electric, wood-clad sauna experience with clean modern lines and thoughtful details, this two-person C1 configuration offers a well-balanced combination of size, comfort, and long-term reliability.

At InHouse Wellness, your Kohler C1 sauna is fulfilled through our trusted network of suppliers to ensure safe, reliable delivery. Because of its size and weight, this sauna ships via freight carrier and follows special handling procedures.

• Scheduled freight delivery – This Sauna Sanctuary ships by appointment. The carrier will contact you to arrange a delivery window so you can plan to be on-site.
  
• Curbside delivery on a pallet – The sauna is shipped secured on a wooden pallet. The driver is responsible for curbside delivery only and will lower the shipment to ground level at the end of your driveway or the nearest accessible location.
  
• No indoor placement or installation by the driver – Freight drivers do not move items indoors, up stairs, or to backyards, and they do not perform installation. You will be responsible for moving the sauna components from curbside to the final location and arranging installation with your preferred professional, if needed.
  
• Pre-shipment coordination – Prior to shipping, our team often reaches out to share shipment details and discuss any special delivery circumstances (narrow roads, remote locations, difficult access, etc.). In some cases, these may require additional services or result in extra delivery costs, which will be communicated in advance whenever possible.
  
• Typical lead times – Typical delivery time is 21–30 days from order, but this can vary based on supplier availability, carrier scheduling, and regional logistics. You will receive tracking or carrier information as soon as it is available.
  

Our goal is to make sure your delivery experience supports the overall success of your sauna project, from the moment your order is placed until it arrives at your property.

Your Kohler C1 indoor sauna is covered by the original Kohler manufacturer’s warranty, which is honored and extended to you when purchased through InHouse Wellness and our authorized supplier network.

• Manufacturer-backed coverage – All warranty coverage for this sauna is provided by Kohler, subject to their current terms, conditions, and exclusions. InHouse Wellness is not the warrantor; instead, we help facilitate access to the official Kohler warranty support where needed.
  
• Current warranty at time of writing – At the time of writing, Kohler lists the C1 indoor sauna as being covered by a 5-year limited consumer warranty for residential use. This typically covers defects in materials and workmanship under normal use, for the period specified by Kohler.
  
• Always refer to Kohler for official terms – Warranty details, coverage periods, and claim procedures are subject to change by the manufacturer. For the most accurate, up-to-date information, please refer to Kohler’s official warranty documentation for the C1 indoor sauna or contact Kohler customer care directly.
  
• Proof of purchase – To take advantage of warranty coverage, please keep your order confirmation and proof of purchase from InHouse Wellness, as Kohler or an authorized service provider may request it when processing a claim.
  

If you have questions about how warranty coverage applies to your specific project or installation, our team is happy to help point you to the correct Kohler resources and support you in getting the most from your sauna over the long term.