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

For those who appreciate the timeless appeal of a wood-fired sauna, the Cozy Heat Quattro Sauna Stove delivers a perfect blend of rustic charm and modern efficiency. Handcrafted in Estonia, where sauna culture is deeply rooted, this high-performance wood-burning sauna stove provides mild, long-lasting heat, allowing you to pour water over hot stones for an intensely relaxing steam sauna experience.
With its sleek square design, the Quattro brings a modern aesthetic to any sauna while ensuring efficient heat distribution. The large glass window adds to the ambiance, allowing you to enjoy the warm glow of the fire while you unwind.
Built with 5mm-thick stainless steel, this sauna heater is engineered for exceptional durability and fuel efficiency, using 25-40% less firewood than comparable models while meeting German BIMSCH emission standards with 6x cleaner smoke gases.
Whether you're setting up a home sauna, a backyard retreat, or a luxury spa, the Cozy Heat Quattro offers the ultimate balance of style, efficiency, and performance.
Sauna Woodburning Stove Cozy QUATTRO Features
- Elegant Square Design with Viewing Window: A modern, clean-lined aesthetic complements your sauna space, while the large glass door lets you enjoy the soothing glow of the flames.
- Efficient Wood-Burning Heat: Delivers deep, radiant warmth, perfect for traditional steam sauna sessions.
- Heavy-Duty Steel Construction: Built with 5mm-thick stainless steel, including a reinforced flame cutter for superior durability and longevity.
- Fuel-Saving Performance: Burns 25-40% less firewood than comparable sauna stoves, reducing fuel costs and wood consumption.
- Eco-Friendly Emissions: Meets strict German BIMSCH certification, producing 6x cleaner smoke gases for a healthier sauna environment.
- 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.
Cozy Heat Quattro Series Sauna Stove Specifications
Cozy Quattro 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: 141 lbs (Shipping Weight with Stones: 406 lbs)
- Dimensions: 20.27" D x 17.32" W x 27.55" H
- Safety Distances: 49" front-to-back, 26.96" left-to-right
- Flue Connection: Top
Cozy Quattro 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: 198 lbs (Shipping Weight with Stones: 550 lbs)
- Dimensions: 24.08" D x 20.27" W x 28.74" H
- Safety Distances: 52.81" front-to-back, 33.13" left-to-right
- Flue Connection: Top
Warranty: 2 years
Download the Installation and Operation Manual
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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