Cozy Heat SW Sauna Stove - Wood-Burning Sauna Heater
A Sleek and Powerful Wood-Burning Stove for an Unmatched Sauna Experience

For those who want aesthetics and performance in their sauna, the Cozy Heat SW Sauna Stove is the ultimate choice. Handcrafted in Estonia, where saunas are a way of life, this high-performance wood-burning sauna stove delivers mild, long-lasting heat while allowing you to ladle water over hot stones for a deep, invigorating steam experience.
What makes the Cozy Heat SW stand out? Its sleek, cylindrical design—a modern, eye-catching shape that enhances both heat efficiency and the visual appeal of your sauna.
Built with 5mm-thick stainless steel, this sauna heater is highly durable, ensuring years of reliable performance. Plus, with 6x cleaner smoke emissions and 40% better fuel efficiency, it’s a cost-effective and eco-friendly choice for any sauna space.
Whether you're upgrading a backyard sauna, cabin retreat, or luxury wellness spa, the Cozy Heat SW provides a perfect balance of elegance, efficiency, and power.
Cozy Heat SW Series Sauna Stove Features
- Modern Cylindrical Design: A sleek and contemporary shape enhances your sauna’s look while improving heat distribution for consistent warmth.
- Efficient Wood-Burning Heat: Provides deep, radiant warmth, allowing for an authentic steam sauna experience.
- Heavy-Duty Steel Construction: Crafted from 5mm-thick stainless steel, ensuring long-lasting durability and resistance to high heat.
- Fuel-Saving Performance: Burns 25-40% less firewood than standard sauna stoves, reducing fuel costs and waste.
- Eco-Friendly Emissions: Meets strict German BIMSCH certification, producing 6x cleaner smoke gases for a healthier, more sustainable sauna.
- Minimal Safety Clearance Requirements: Designed for compact sauna spaces, with optimized safety distances.
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Two Power Options for Different Sauna Sizes
- 12kW Model: Heats saunas from 210 to 423 cu. ft.
- 18kW Model: Heats saunas from 317 to 635 cu. ft.
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Premium Sauna Stone Capacity
- 12kW Model: Requires at least 265 lbs of stones.
- 18kW Model: Requires at least 353 lbs of stones.
- Additional stones are recommended for optimal heat retention and steam production.
- Included: Comes with a chimney pipe, heater body, cleaning hatch, glass door, ash box, and a detailed operation manual for easy setup.
SW Wood Burning Sauna Stove Specifications
Cozy SW 12 Model:
- Power Output: 12kW
- Sauna Room Size: 210 - 423 cu. ft.
- Firewood Length: Up to 12.99" (329mm)
- Firewood Diameter: 3.15" - 4.72" (80-120mm)
- Weight: 143 lbs (Shipping Weight with Stones: 407 lbs)
- Dimensions: 21.25" D x 19.29" W x 32.12" H
- Safety Distances: 49.98" front-to-back, 27.94" left-to-right
- Flue Connection: Top
Cozy SW 18 Model:
- Power Output: 18kW
- Sauna Room Size: 317 - 635 cu. ft.
- Firewood Length: Up to 15.74" (400mm)
- Firewood Diameter: 3.15" - 4.72" (80-120mm)
- Weight: 209 lbs (Shipping Weight with Stones: 606 lbs)
- Dimensions: 25.59" D x 21.65" W x 34.25" H
- Safety Distances: 54.32" front-to-back, 34.64" left-to-right
- Flue Connection: Top
Warranty: 2 Years
Download the Installation and Operation Manual
Upgrade your sauna with a wood-fired heater that merges modern design with traditional performance. The Cozy Heat SW Sauna Stove—where elegance meets efficiency.
Order Processing: Once your order is placed, you’ll receive a confirmation email. Please allow 1–3 business days for order review and processing. If we need to confirm delivery details or there are any delays, we’ll reach out right away.
How Saunas Ship:
- Freight Delivery (Most Saunas): Sauna kits and larger models ship on a pallet via freight carrier and are delivered curbside.
- Parcel Shipping (Smaller Items): Accessories or small components may ship via UPS, FedEx, or USPS.
Estimated Delivery Timeline:
- Processing: 1–3 business days.
- Estimated Ship-Out: Typically ships in 1–2 weeks.
- Transit Time: Freight shipments typically take 3–10 business days once shipped.
- Delivery Appointment: The carrier will usually contact you to schedule delivery. An adult must be present to receive and inspect the shipment.
Important Delivery Notes:
- Curbside Delivery: Freight is delivered to the end of your driveway or loading area. Inside delivery or white-glove service is not included unless arranged in advance.
- Measure First: Confirm doorway widths, staircases, and access paths. Sauna kits ship in multiple boxes and/or pallets.
- Inspect on Arrival: Before signing, check for visible damage to packaging or pallet.
If There’s Damage: Note it on the delivery receipt (ex: “Damaged – subject to inspection”), take photos, and contact us within 48 hours so we can assist with next steps.
Warranty Coverage:
We are an authorized dealer, and all saunas include the full manufacturer’s warranty. Coverage terms vary by brand and model and are listed on the product page.
What’s Typically Covered:
- Manufacturer defects in sauna materials and components
- Heaters, controls, and electrical components per manufacturer policy
- Replacement parts shipped to you (labor not typically included)
What’s Typically Not Covered:
- Shipping damage not noted at delivery
- Natural wood variation, knots, or movement over time
- Improper installation, misuse, or operation outside manufacturer guidelines
- Electrical issues due to incorrect wiring or inadequate power supply
Need Help? If you have questions or need to start a warranty claim, contact us and we’ll help coordinate with the manufacturer to get things resolved as quickly as possible.
Sauna FAQs
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