Finnish Sauna Builders
Carbon Smart Saunas - 7' x 10' x 8' - by Finnish Sauna Builders
Carbon Smart Saunas - 7' x 10' x 8' - by Finnish Sauna Builders
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Carbon Smart Saunas - 7' x 10' x 8'
Transform your home into a wellness retreat with the Carbon Smart™ Indoor Sauna Room Kit. This complete sauna package includes everything you need to build an authentic sauna experience, whether you're a DIY enthusiast or a professional contractor.
Complete Sauna Kit - Ready for Your Space
Our Carbon Smart™ indoor sauna kit arrives with all interior components precisely cut and tailored to your room dimensions. Simply provide the framing, insulation, electrical wiring, and exterior wall covering—we supply the rest. Building your dream sauna has never been easier or more affordable.
Premium Thermo Poplar Wood
Carbon Smart™ saunas are crafted exclusively with Thermo Poplar, a sustainably sourced and thermally modified wood that delivers exceptional performance and a beautiful aesthetic for your sauna interior.
Thermo Poplar
A thermally modified wood treated at approximately 374°F for optimal indoor sauna use. This medium modification delivers enhanced dimensional stability, improved resistance to humidity and temperature fluctuations, and a warm, rich tone—all achieved through a chemical-free process. Ideal for creating a naturally beautiful, long-lasting sauna environment. As part of the Carbon Smart™ line, this wood is responsibly sourced to support carbon-smart forestry practices.
Customizable Bench Configurations
Choose the bench layout that best fits your space and needs from our selection of configurations shown in the product images. Each configuration is designed to maximize comfort and optimize your sauna experience.
What's Included in Your Carbon Smart™ Sauna Kit:
- Foil vapor barrier for proper moisture protection
- Ergonomic backrests for comfortable relaxation
- 1×4 tongue & groove boards (walls & ceiling) in Thermo Poplar
- Clear 1×4 bench boards with supports (20″ deep) in Thermo Poplar—custom-built to your chosen configuration
- Corner moldings for walls, ceiling, and baseboards (Thermo Poplar)
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All-glass sauna door with wood handles and trim
- Frame: 27.2″ × 78.7″ (690 × 2000 mm)
- Glass: 24.4″ × 77.3″ (620 × 1963 mm)
- Frame thickness: 1.65″ × 3.6″ (42 × 92 mm)
- Rough opening required: 28″ × 80″
- Duckboard flooring for walk area (Thermo Poplar)
- Upper and lower vent grills for proper air circulation
- Traditional sauna bucket with liner and ladle
- Sauna thermometer for temperature monitoring
- Comfortable headrest
- Marine-grade, wall-mount, vapor-proof sauna light
- Detailed installation instructions for easy assembly
Important Installation Notes:
- Recommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. For custom ceiling heights, please contact our support team.
Perfect for Home or Commercial Use
Whether you're building a personal wellness sanctuary or outfitting a spa or gym, our Carbon Smart™ DIY sauna kits deliver professional-quality materials at competitive prices.
Expert Support Available
Note: Your sauna shipment will include an all-glass door, though some photos may display a glass wall for reference. Backrests are shipped flat; if you'd like an angled backrest, additional spacers can be easily created on-site to achieve your desired pitch.
Note: Wall boards run in the standard horizontal direction unless room width exceeds 8 ft; in such cases, an interior seam will be added where two boards meet to span the width.
Contact your Carbon Smart™ Specialist today for personalized guidance in creating the perfect sauna room for you and your family.
Sauna Heater Comparison Chart
| Feature | Harvia Cilindro 11KW | Harvia Club 10KW | Harvia Virta 10.5KW | Harvia Virta Combi 10.5KW |
|---|---|---|---|---|
| Product Image |  |
 |
 |
 |
| Power Output | 11 KW | 10 KW | 10.5 KW | 10.5 KW |
| Brand | Harvia | Harvia | Harvia | Harvia |
| Control Type | WiFi Control | WiFi Control | WiFi Control | WiFi Control |
| WiFi Connectivity | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Heater Stones Included | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Railing Included | ❌ No | ❌ No | ✅ Yes | ✅ Yes |
| Combi Steam Function | ❌ No | ❌ No | ❌ No | ✅ Yes |
| Model Series | Cilindro Series | Club Series | Virta Series | Virta Combi Series |
| Model | Cilindro | Club | Virta | Virta Combi |
| Remote Control | App-based via WiFi | App-based via WiFi | App-based via WiFi | App-based via WiFi |
Harvia Cilindro 11KW WiFi
Harvia Club 10KW WiFi
Harvia Virta 10.5KW WiFi with Railing
Harvia Virta Combi 10.5KW WiFi with Railing
Key Differences
Power Output:
- Harvia Cilindro: Highest output at 11 KW — ideal for the largest sauna rooms
- Harvia Virta & Virta Combi: 10.5 KW — powerful performance with premium features
- Harvia Club: 10 KW — strong output in a commercial-grade floor-standing design
Control & Connectivity:
- All four models feature full WiFi connectivity with app-based remote control and scheduling
Design & Model Series:
- Cilindro Series: Iconic tall cylindrical design with massive stone capacity — the highest output in this lineup at 11 KW
- Club Series: Floor-standing commercial-grade design built for high-capacity and heavy-duty use at 10 KW
- Virta Series: Premium wall-mounted heater with WiFi, safety railing, and 10.5 KW output
- Virta Combi Series: Everything the Virta offers, plus an integrated steam generator for a combined sauna and steam bath experience
Included Accessories:
- All models come with heater stones included
- Harvia Virta and Virta Combi both include a protective safety railing
- Harvia Virta Combi is the only model with a built-in Combi steam function — delivering both traditional dry sauna heat and steam in one unit
