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Product Description
Carbon Smart Saunas - 4' x 8' 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
Contact your Carbon Smart™ Specialist today for personalized guidance in creating the perfect sauna room for you and your family.
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.
Sauna Heater Comparison Chart
| Feature | Harvia KIP60W 6KW | Harvia KIP60B 6KW | Harvia Cilindro PC60 6KW | Harvia Cilindro PC60E 6KW | Harvia Spirit 6KW | Harvia Virta 6KW |
|---|---|---|---|---|---|---|
| Product Image |  |
 |
 |
 |
 |
 |
| Power Output | 6 KW | 6 KW | 6 KW | 6 KW | 6 KW | 6 KW |
| Control Type | WiFi Control | Built-in Control | Built-in Control | WiFi Control | WiFi Control | WiFi Control |
| WiFi Connectivity | ✅ Yes | ❌ No | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes |
| Heater Stones Included | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Railing Included | ❌ No | ❌ No | ❌ No | ❌ No | ❌ No | ✅ Yes |
| Brand | Harvia | Harvia | Harvia | Harvia | Harvia | Harvia |
| Model Series | KIP Series | KIP Series | Cilindro Series | Cilindro Series | Spirit Series | Virta Series |
| Model | KIP60W | KIP60B | PC60 | PC60E | Spirit | Virta |
| Remote Control | App-based via WiFi | Manual only | Manual only | App-based via WiFi | App-based via WiFi | App-based via WiFi |
Harvia KIP60W 6KW WiFi
Power Output
6 KW
Control Type
WiFi Control
WiFi Connectivity
✅ Yes
Heater Stones Included
✅ Yes
Railing Included
❌ No
Brand
Harvia
Model Series
KIP Series
Model
KIP60W
Remote Control
App-based via WiFi
Harvia KIP60B 6KW Built-in Control
Power Output
6 KW
Control Type
Built-in Control
WiFi Connectivity
❌ No
Heater Stones Included
✅ Yes
Railing Included
❌ No
Brand
Harvia
Model Series
KIP Series
Model
KIP60B
Remote Control
Manual only
Harvia Cilindro PC60 6KW Built-in Control
Power Output
6 KW
Control Type
Built-in Control
WiFi Connectivity
❌ No
Heater Stones Included
✅ Yes
Railing Included
❌ No
Brand
Harvia
Model Series
Cilindro Series
Model
PC60
Remote Control
Manual only
Harvia Cilindro PC60E 6KW WiFi
Power Output
6 KW
Control Type
WiFi Control
WiFi Connectivity
✅ Yes
Heater Stones Included
✅ Yes
Railing Included
❌ No
Brand
Harvia
Model Series
Cilindro Series
Model
PC60E
Remote Control
App-based via WiFi
Harvia Spirit 6KW WiFi
Power Output
6 KW
Control Type
WiFi Control
WiFi Connectivity
✅ Yes
Heater Stones Included
✅ Yes
Railing Included
❌ No
Brand
Harvia
Model Series
Spirit Series
Model
Spirit
Remote Control
App-based via WiFi
Harvia Virta 6KW WiFi with Railing
Power Output
6 KW
Control Type
WiFi Control
WiFi Connectivity
✅ Yes
Heater Stones Included
✅ Yes
Railing Included
✅ Yes
Brand
Harvia
Model Series
Virta Series
Model
Virta
Remote Control
App-based via WiFi
Key Differences
Power & Heating Capacity:
- All models: 6 KW power output for consistent heating performance
Control & Connectivity:
- KIP60B & Cilindro PC60: Basic built-in control panel (no remote features)
- KIP60W, Cilindro PC60E, Spirit & Virta: WiFi-enabled for smartphone control and scheduling
Design & Model Series:
- KIP Series: Compact wall-mounted design, available in WiFi (KIP60W) and built-in control (KIP60B) versions
- Cilindro Series: Cylindrical design with stone capacity, available in standard (PC60) and WiFi-enabled (PC60E) versions
- Spirit Series: Modern aesthetic with WiFi connectivity
- Virta Series: Premium model with WiFi control and included protective railing
Included Accessories:
- All models come with heater stones included
- Harvia Virta is the only model that includes a protective railing