Cozy Heat OG Sauna Stove - Wood-Burning Sauna Heater
A Modern Take on Traditional Sauna Heating

For those who appreciate both modern design and authentic wood-fired sauna heat, the Cozy Heat OG Sauna Stove is the ultimate choice. Handcrafted in Estonia, where sauna culture is a national tradition, this premium wood-burning stove delivers mild, long-lasting warmth and allows for pouring water over hot stones to create deep, luxurious steam.
What sets the Cozy Heat OG apart? Its innovative trilateral design, featuring clean lines and graceful curves, makes it not only a high-performance sauna heater but also a stunning focal point for any sauna.
Built for efficiency, it burns up to 40% less wood than comparable models and meets strict German BIMSCH emission standards, producing 6x cleaner smoke gases.
Whether you're setting up a luxury home sauna, cabin retreat, or wellness spa, the Cozy Heat OG combines sophisticated aesthetics with exceptional performance.
Cozy Heat OG Sauna Stove Features
- Striking Trilateral Design: A contemporary geometric shape with smooth curves gives this stove a modern, elegant look while improving heat circulation.
- Efficient Wood-Burning Heat: Provides deep, consistent warmth, perfect for traditional steam sauna sessions.
- Heavy-Duty Steel Construction: Built with 5mm-thick stainless steel, including a reinforced flame cutter for unmatched durability.
- Fuel-Saving Performance: Burns 25-40% less firewood than standard sauna stoves, saving you time and resources.
- Eco-Friendly Emissions: Meets German BIMSCH certification, producing 6x cleaner smoke gases for a healthier sauna environment.
- Minimal Safety Clearance Requirements: Designed to fit 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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High-Capacity Sauna Stone Support
- 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.
Cozy Heat OG Series Sauna Stove Specifications
Cozy OG 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: 121 lbs (Shipping Weight with Stones: 386 lbs)
- Dimensions: 21.45" D x 19.60" W x 27.91" H
- Safety Distances: 50.18" front-to-back, 28.14" left-to-right
- Flue Connection: Top
Cozy OG 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: 176 lbs (Shipping Weight with Stones: 528 lbs)
- Dimensions: 25.78" D x 22.04" W x 29.72" H
- Safety Distances: 54.51" front-to-back, 34.83" left-to-right
- Flue Connection: Top
Warranty: 2 Years
Download the Installation and Operation Manual
Experience the perfect balance of beauty, efficiency, and traditional heat with the Cozy Heat OG Sauna Stove.
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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