Cozy Heat Quattro Sauna Stove
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The Cozy Heat Quattro Wood-Burning Sauna Stove is a premium, in-room wood-fired heater for those who want real flame, authentic steam, and clean Scandinavian-style design in a traditional sauna. Hand-crafted in Estonia, where sauna bathing is a national tradition, the Quattro delivers mild, long-lasting heat over a deep stone mass. Its compact footprint, square body, and large glass door make it an ideal centerpiece for custom home saunas and cabin builds.
Key Features
- In-room wood-burning sauna stove for authentic, off-grid sauna heat
- Clean-burning design that uses less wood compared to many conventional wood stoves
- Large stone capacity for deep thermal storage and soft, long-lasting löyly
- Glass fire-view door so you can enjoy the glow and sound of a real wood fire
- Compact square footprint that fits many different sauna layouts
- Made in Estonia by a specialist wood-fired sauna stove manufacturer
Required Components
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Sauna Stones:
- Quattro 12 kW: Minimum 265 lbs of sauna stones
- Quattro 18 kW: Minimum 353 lbs of sauna stones
- Chimney System: A compatible, code-compliant wood-burning sauna chimney and flue kit is required for proper installation and safe operation.
What’s Included
- Cozy Heat Quattro wood-burning sauna stove (12 kW or 18 kW model)
- Outer frame of the heater
- Chimney connection pipe (per manufacturer kit)
- Heater body with stone basket
- Heater door with glass viewing window
- Cleaning hatch and ash box
- Installation and Operation Manual
- 2-year manufacturer warranty (residential use)
Specifications: Cozy Quattro 12 kW
| Model | Cozy Quattro 12 |
| Heater Type | Wood-burning sauna stove (in-room) |
| Power Output | 12 kW |
| Sauna Room Size | 210 to 423 cu ft (approximately 6 to 12 m³) |
| Stone Requirement | Minimum 265 lbs of sauna stones (10 to 15 cm) |
| Maximum Firewood Length | 12.99 in (329 mm) |
| Firewood Diameter | 3.15 to 4.72 in (80 to 120 mm) |
| Minimum Room Height | 72 in (1828 mm) |
| Flue Connection Location | Top |
| Heater Weight | 141 lbs |
| Shipping Weight With Stones | 406 lbs |
| Safety Distance, Front to Back | 49 in (1245 mm) |
| Safety Distance, Left to Right | 26.96 in (685 mm) |
| Stove Depth | 20.27 in (515 mm) |
| Stove Width | 17.32 in (440 mm) |
| Stove Height | 27.55 in (700 mm) |
| Primary Fuel | Wood |
| Country of Origin | Estonia |
Specifications: Cozy Quattro 18 kW
| Model | Cozy Quattro 18 |
| Heater Type | Wood-burning sauna stove (in-room) |
| Power Output | 18 kW |
| Sauna Room Size | 317 to 635 cu ft (approximately 9 to 18 m³) |
| Stone Requirement | Minimum 353 lbs of sauna stones (10 to 15 cm) |
| Maximum Firewood Length | 15.74 in (400 mm) |
| Firewood Diameter | 3.15 to 4.72 in (80 to 120 mm) |
| Minimum Room Height | 82 in (2096 mm) |
| Flue Connection Location | Top |
| Heater Weight | 198 lbs |
| Shipping Weight With Stones | 550 lbs |
| Safety Distance, Front to Back | 52.81 in (1360 mm) |
| Safety Distance, Left to Right | 33.13 in (860 mm) |
| Stove Depth | 24.08 in (630 mm) |
| Stove Width | 20.27 in (515 mm) |
| Stove Height | 28.75 in (approximately 730 mm) |
| Primary Fuel | Wood |
| Country of Origin | Estonia |
Why Choose the Cozy Heat Quattro?
- Authentic wood-burning sauna experience with real flame, natural steam, and rich heat
- Efficient combustion that uses less wood and produces cleaner smoke than many conventional stove designs
- Deep stone mass for smooth, long-lasting löyly that feels gentle and enveloping
- European craftsmanship from a specialist sauna stove manufacturer in Estonia
Shipping and Returns
- Ships: Typically within 3 to 7 business days (freight delivery with scheduled appointment)
- Delivery: Free standard U.S. shipping to most locations
- Returns: 14-day return policy on unused, uninstalled stoves in original packaging
Installation and Operation Manual
Frequently Asked Questions
What is the difference between the Cozy Quattro 12 kW and 18 kW models?
The 12 kW Quattro is ideal for sauna rooms from 210 to 423 cubic feet. The 18 kW Quattro is designed for larger rooms from 317 to 635 cubic feet and supports a larger stone mass. If your sauna is on the higher end of that range or has more glass and tile, the 18 kW model is usually the better choice.
Does the Cozy Quattro require a chimney?
Yes. A certified wood-burning chimney system is required. Use a flue and chimney kit that is rated for wood-burning sauna stoves and meets local building and fire codes. Professional installation is strongly recommended.
How many stones do I need?
The 12 kW Quattro requires at least 265 lbs of sauna stones and the 18 kW Quattro requires at least 353 lbs. Many installers recommend buying an extra box of stones so you can select shapes that fit well and allow for good airflow between rocks.
What type of stones should I use?
Use natural sauna stones such as olivine or peridotite in the 10 to 15 cm range. Do not use river rocks or decorative stones since they can crack or shatter. Proper sauna stones store heat efficiently and create better steam.
How long does it take to heat the sauna?
Typical heat-up time is about 45 to 75 minutes depending on the size of the room, insulation level, stone loading, and wood quality. The 18 kW model usually heats larger saunas more quickly because of its higher output and larger firebox.
Is the glass viewing window heat-resistant?
Yes. The Quattro uses heat-resistant, tempered glass so you can safely enjoy the view of the fire while maintaining a comfortable sauna environment.
Do I need professional installation?
Professional installation is highly recommended. A qualified installer will configure the chimney, verify clearances to combustibles, and ensure that the stove complies with local building and fire safety requirements for wood-burning appliances.
Why Buy From Us
FAQs
Shipping & Delivery
Free curbside shipping on all orders. White-glove delivery/setup available at checkout in most areas. We’ll confirm your preferred date after purchase.
Warranty
Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.
Returns
New, uninstalled items can be returned within the brand’s policy window. We’ll help coordinate pickup and any restocking requirements.
Installation & Power
Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.
