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2 person Kohler C1 Graphite Grey indoor sauna, angled exterior view

Kohler C1 Indoor Sauna Kit - Graphite Grey | 2, 3 or · 5-Person

A 2, 3, or 5-person corner indoor sauna with a Finnish FERO heater, 2.1" mineral wool insulation for efficient heat retention, and warm indirect lighting.

$17,680
$17,680 - $25,330
$17,680
$20,899
Save $3,219
$20,899 - $29,899
$20,899
+ Free Shipping Free Delivery within the Continental US
  • 2.1" mineral wool insulation: heat stays in between sessions.
  • Included FERO heater delivers authentic Finnish-style heat.
  • External digital display sets temp, timer, and lighting — door stays shut.
Includes $348 in free bonuses
The Sauna Mastery Protocol Digital Guide
The Sauna Mastery Protocol Digital Guide
$49 FREE
Full-Value Freight Protection
Full-Value Freight Protection
$299 FREE
Size: 2 Person
Flooring Options: No Floor

Add a Bucket & Ladle

Optional — the bucket and ladle you pour water over the stones with. Choose black or white.

Add Professional Installation

Optional — Kohler's crew assembles and tests on site. Electrical work not included.

Kohler C1 Indoor Sauna Kit - Graphite Grey | 2, 3 or 5 Person $17,680
Free shipping (contiguous US) FREE
Free bonuses included $348 FREE
Total $17,680
  • Secure checkout
  • 30-day guarantee
  • 5 Year warranty
In stock — estimated delivery:

See What People Are Saying…

“This has completely transformed my workspace. The natural light is a game changer!”

Lisa R.
Verified owner

“Built it in a weekend with my brother. Glass front is the move — feels like a real room, not a closet.”

Mark T.
Verified owner

“I love the design and how easy it was to set up. Highly recommend for any home owner.”

James K.
Verified owner
Description

Imagine stepping into a warm, quiet space where the rest of the day finally releases its grip—where the soft glow behind the backrest, the scent of natural spruce, and the deep, enveloping heat give you a moment that is entirely yours. The KOHLER® C1™ Indoor Sauna transforms an ordinary corner of your home into a daily sanctuary—one that feels handcrafted, intentional, and profoundly restorative.

This isn’t just a sauna; it’s the identity of someone who values deliberate living. Someone who understands that wellness isn’t an escape you schedule—it’s a ritual you build into the walls of your home. The C1 is crafted for exactly that level of ownership: a space designed not only to support your body, but to elevate the way you live inside your home.

Why do you think so many high-performers, wellness experts, and long-term health–focused homeowners call heat therapy a non-negotiable part of their routine? It’s because the gains compound. Stress levels decrease. Sleep deepens. Muscles recover faster. And with a true Finnish-style heater at the core, the C1 provides the purity and consistency that makes daily use not just possible, but deeply rewarding.

And that internal voice that asks, “Is this worth the investment?”—it isn’t wrong to ask. But compare it to the cost of temporary fixes: spa visits, self-care purchases, treatments that fade as soon as they’re over. This isn’t one more expense. It’s a one-time investment that upgrades the next decade of your life—and everyone who shares your home.

Just imagine: a month from now, ending each evening with clarity instead of tension, warmth instead of stress. Waking up feeling more rested, more focused, more grounded. A new normal—built right into the architecture of your home.

Features

  • Premium Scandinavian Spruce Construction — Light, clean, and warmly aromatic, this wood elevates your home with a spa-quality aesthetic while naturally resisting heat and moisture.
  • Freestanding FERO Electric Sauna Heater — Provides an authentic Finnish sauna experience with smooth, consistent heat—an anchor for your daily restoration ritual.
  • Warm White 2700K Indirect Lighting — Creates a soft, calming glow that instantly signals the body to unwind.
  • Dual Thermostatic Control — Maintains predictable, safe, and repeatable sessions—peace of mind built directly into the system.
  • External Digital Display — Effortlessly manage temperature, session duration, and lighting without disrupting your interior environment.
  • Aerotherm™ Ventilation System — Ensures fresh air circulation and oxygen supply, enhancing comfort and preventing fatigue during longer sessions.
  • 2.1” (5.4 cm) Mineral Wool Insulation — Increases heat retention dramatically, lowering energy usage and maintaining a consistent climate inside the cabin.
  • Tempered Glass Door & Windows (0.3” / 0.8 cm) — Designed to retain heat while opening the cabin visually, giving you both privacy and spaciousness.
  • Cool-Touch Beech Wood Door Handles — Functional, elegant, and comfortable even at peak temperature.
  • Tongue-and-Groove Construction — Provides a refined, seamless appearance and contributes to structural stability.
  • Multiple Cabin Sizes — Configured for 2, 3, or up to 5 people, ensuring the perfect fit for your home and lifestyle.
What's Included?
  • Front Frame Panels
  • Side Wall Panels
  • Rear Wall Panels
  • Ceiling Elements
  • Bottom Frame
  • Backrest
  • Benches (Obeche Wood)
  • Freestanding FERO Electric Sauna Heater
  • Heater Guard (Obeche Wood)
  • Sauna Stones
  • Digital Control Panel
  • Warm White Indirect Lighting
  • Installation Hardware
  • Installation and Operation Manual
  • 5-Year Limited Warranty (Consumer Use)
  • Wall-Mounted Thermometer
  • Beech 20-Minute Hourglass Sand Timer
  • Headrest
  • Stool
Specifications
Category Details
Construction Material Scandinavian Spruce
Seating Material Obeche Wood
Door & Window Material Tempered Glass
Door Handle Material Beech Wood
Heater Safety Rail Obeche Wood
Floor Type Spruce or No Floor
Installation Method Freestanding or Alcove
Clearance – Wall 2" (5 cm)
Clearance – Ceiling 8' (2.4 m)
Electrical Cord Length 9' 10" (2.9 m)
Cord Location Top Rear
Heater Voltage 220–240V
Heater Frequency 50/60 Hz
Heater Fuel Electric
Heater Safety Distance 1.6" (4 cm)
Sauna Room Voltage 240V
Sauna Room Frequency 50/60 Hz
Size Specifications
66"W x 48"D x 87"H (Up to 2 People)
Spec Detail
Heater kW 4.5 kW
Heater Amps 30A
Sauna Room Amps 30A
Outlet NEMA 6-30P
Exterior Dimensions 65.8" W × 46.1" D × 83.5" H
Interior Dimensions 59.1" W × 39.4" D × 77.4" H
Weight (No Floor) 694.6 lbs (315.1 kg)
Shipping Weight (No Floor) 981.2 lbs (445.1 kg)
Weight (Floor) 713.1 lbs (323.5 kg)
Shipping Weight (Floor) 999.8 lbs (453.5 kg)
78"W x 56"D x 87"H (Up to 3 People)
Spec Detail
Heater kW 4.5 kW
Heater Amps 30A
Sauna Room Amps 30A
Outlet NEMA 6-30P
Exterior Dimensions 77.6" W × 54" D × 83.4" H
Interior Dimensions 70.9" W × 47.3" D × 77.4" H
Weight (No Floor) 760.7 lbs (345.1 kg)
Shipping Weight (No Floor) 1047.4 lbs (475.1 kg)
Weight (Floor) 786.7 lbs (356.8 kg)
Shipping Weight (Floor) 1073.8 lbs (487.1 kg)
82"W x 79"D x 87"H (Up to 5 People)
Spec Detail
Heater kW 9 kW
Heater Amps 50A
Sauna Room Amps 50A
Outlet NEMA 6-50P
Exterior Dimensions 81.6" W × 77.6" D × 83.5" H
Interior Dimensions 74.8" W × 70.9" D × 77.4" H
Weight (No Floor) 1124.6 lbs (510.1 kg)
Shipping Weight (No Floor) 1499.4 lbs (680.1 kg)
Weight (Floor) 1911.2 lbs (866.9 kg)
Shipping Weight (Floor) 2197.9 lbs (997 kg)
Documents

Installation Manuals

Spec Sheets

Without Floor

With Floor

Readiness Guide
Warranty

Your Own Sauna Ritual, in 3 Simple Steps

A straightforward kit, with professional electrical work where required.

Set it up once
Step 1

Set it up once

The sauna structure fits a standard ceiling height and is designed for on-site assembly, following the manufacturer's step-by-step manual.

Choose your heat
Step 2

Choose your heat

Harvia for reliable and budget-friendly, HUUM for richer steam, we help you decide.

Make It a Ritual
Step 3

Make It a Ritual

The included Sauna Mastery Protocol locks in session times, temperatures, and weekly rhythm, so the sauna becomes a habit, not an expensive coat rack.

WHAT COMES WITH EVERY TOPTURE ORDER

Claim $348 in Free Bonuses Today

The Sauna Mastery Protocol
BONUS 1

The Sauna Mastery Protocol

The session times, temperatures, and weekly rhythm that turn a sauna into a habit you keep. Covers heat-up protocols, deep sleep, recovery stacking, and what to expect across the first 30 sessions. Sent to your inbox after purchase.

$49

INCLUDED

Full-Value Freight Protection
BONUS 2

Full-Value Freight Protection

Large orders ship fully insured. If freight arrives damaged, Topture helps coordinate the claim and replacement process with the carrier and manufacturer. Proper inspection and damage documentation at delivery are required. Most in-stock orders ship within 2–7 business days.

$299

INCLUDED

Retail Price: $20,899

Today's price: $17,680

Choose your options now

REAL HOMES. REAL REVIEWS.

See What Sauna Owners Are Saying…

Topture is rated 4.9/5 by 461+ verified customers

We thought about buying a sauna for years and finally did. We absolutely love it, especially in the winter. It’s incredibly easy to assemble with two people the whole family uses it.

Verified owner

Ordered this sauna fall 2024 and we love it. No better feeling during a Minnesota winter. Lastly, I have to mention the customer service for this purchase has been like no other. Any questions or requests I had were addressed immediately by Topture. I got more than I expected from them and have already recommended them to several people looking for saunas. SO if you're thinking about it, JUST DO IT already..

Verified owner

Thanks for the great service - greatly appreciated.

Verified owner

WHY BUY FROM TOPTURE?

The sauna may be the same. The buying experience isn't.

Buying a sauna involves more than choosing a model and clicking checkout. Heater sizing, electrical requirements, freight delivery, installation, and warranty support all matter.

Before you buy elsewhere

Choosing the right sauna
Compare models across leading sauna brands based on your space, climate, capacity, preferences, and budget.
Will they help you compare alternatives, or only answer questions about the product you've already selected?
Heater & electrical fit
Get help matching the heater to the sauna volume, glass area, controls, and electrical requirements.Try our heater calculator
Ask who will check that the heater and controls are right for your installation before you order.
Authorized products
Products are sourced through authorized channels and include the applicable manufacturer warranty.View independent listings
Verify that the retailer is authorized for the brand and that your manufacturer warranty will be valid.
Freight delivery
We help coordinate heavy-freight delivery and provide guidance on receiving and inspecting your shipment.
Ask how the order ships, how it will be unloaded, and what happens if freight arrives damaged.
Installation information
We help provide the manuals, specifications, clearances, and electrical information your installer may need.
Find out what documentation and project support will be available after checkout.
After the sale
Questions after delivery? We help with troubleshooting, documentation, warranty coordination, and manufacturer support.Read verified owner experiences
Ask who you will actually contact if something doesn't work after the order arrives.

Compare the sauna. Compare the retailer too.

Don't take our word for it. Topture is listed in HUUM's official dealer directory and as a dealer on SaunaLife's website, is a listed supporting member of the North American Sauna Society, and our founder has been consulted as a sauna expert by Forbes. See Topture's press & industry recognition →

Choose your options now
461+ Verified Reviews

Real homeowners, rated 4.9/5 across verified reviews.

Lifetime Expert Support

Same team before and after the sale, from sizing to warranty support.

Authorized Kohler Dealer

Authorized products with the applicable manufacturer warranty.

Full-Value Freight Protection

Freight damage? We help coordinate the claim and replacement process.

STILL UNSURE?

Frequently Asked Questions

What are the ventilation requirements for my outdoor sauna installation?

The exhaust vent is located on the rear of the sauna. Verify that this area is unobstructed.

What are the plumbing requirements for my outdoor sauna installation?

Plumbing and Water Supply - No plumbing is required.

General

Where are you located, and where do you ship from?

We are a U.S.-operated company with our main headquarters in Sheridan, Wyoming.

Orders are shipped across the continental U.S. from our network of warehouses, managed by our logistics partners in California, Illinois, Texas, New York, Florida, and Toronto.

How much is shipping?

Orders over $200 ship free within the continental United States. Orders under $200 carry a small shipping fee.

Two exceptions: SaunaLife and ThermaSol products carry a freight charge at any order value, and sauna stones ordered without a heater ship at $60 per box because of their weight.

Every charge is shown at checkout before you pay.

Do you provide financing?

Absolutely! To view your financing offer, simply select Shop Pay Installments as your payment method at Step 3 of checkout.

You'll need to enter a debit card to receive your offer, but don’t worry—you can still back out before completing the purchase.

How long will it take for my items to arrive?

If your order is in stock, most orders ship within 2–7 business days of purchase. Transit time then depends on the distance from the warehouse and, for freight, on booking a delivery appointment.

For custom, pre-order or made-to-order items, the estimated delivery time frame is listed on the product page. Delivery dates are estimates, so please don't book installation labor until your order has arrived and been inspected.

What happens after I place my order?

As soon as you place your order, you'll receive a confirmation email with your order details—be sure to keep it for your records. Once your order ships, you'll receive another email with tracking information.

For freight deliveries, the carrier will call or text you to schedule an appointment once the shipment reaches their local terminal. Someone needs to be there to inspect the shipment and sign for it. Smaller parcels arrive by UPS or FedEx without an appointment.

Is there a warranty?

Yes, all products come with a manufacturer warranty. You can find the specific warranty details for each product under the "Warranty" tab on its product page.

Do you have a showroom?

We don’t have a showroom — we sell online. Our team is available by phone, email and chat to help you compare models, sizes and heaters, and we can send dimensions, installation manuals and electrical requirements before you buy.

Where do you deliver to?

We deliver throughout the 48 contiguous states, with curbside freight delivery for large items. Free shipping and standard rates apply there only. Alaska, Hawaii, Puerto Rico, other U.S. islands and Canada are quoted separately, depending on the brand and model. We can't ship freight or oversized items to P.O. boxes.

Do you ship internationally?

International Shipping

For many products, yes, including to Canada, by custom quote. Email contact@topture.com with the product and your address before you order; availability and cost depend on the brand and model. Any duties, taxes and customs fees are your responsibility.

Shipping to Hawaii, Alaska, and Puerto Rico

Free shipping applies to the continental United States only. Shipping to Alaska, Hawaii, Puerto Rico and other U.S. islands is quoted separately and depends on the brand and model. Email contact@topture.com for a quote before you order.

2 person Kohler C1 Graphite Grey indoor sauna, angled exterior view

Your indoor sauna, done the right way.

  • 2.1" mineral wool insulation: heat stays in between sessions.
  • Included FERO heater delivers authentic Finnish-style heat.
  • External digital display sets temp, timer, and lighting — door stays shut.
Includes $348 in free bonuses
The Sauna Mastery Protocol Digital Guide
The Sauna Mastery Protocol Digital Guide
$49 FREE
Full-Value Freight Protection
Full-Value Freight Protection
$299 FREE
  • Secure checkout
  • 30-day guarantee
  • 5 Year warranty