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The Harvia Spirit Premium Electric Heater combines world-class Finnish engineering with a stunning, curved aesthetic. Designed to be the centerpiece of your home sauna, the Spirit provides a high-volume stone capacity (132 lbs) for an authentic, soft steam experience.
The integrated safety function guarantees that it cannot be turned on if items are placed on top of it, thereby ensuring that it is safe to start the heater remotely. It has two separate safety sensors with one monitoring the heater and one monitoring the temperature of the sauna space to prevent overheating. The Harvia Spirit Heaters are compatible with the Harvia Xenio Controls.
Recommended amount of 4 boxes of stones (132 lbs)
WiFi-Ready Convenience: Fully compatible with Harvia Xenio or Fenix WiFi Controls, allowing you to preheat your sauna from your smartphone safely.
Advanced Safety: Features integrated dual-sensor technology and a top-mounted safety switch to prevent accidental activation.
Rapid Heating: Engineered for efficiency, the Spirit's open design promotes rapid air circulation, heating your room in a fraction of the time.
Harvia Spirit 6kW (SP60E): Ideal for rooms 177 – 294 Cu. Ft.
Harvia Spirit 8kW (SP80E): Ideal for rooms 177 – 431 Cu. Ft.
Harvia Spirit 9kW (SP90E): Ideal for rooms 177 – 494 Cu. Ft.
Spirit-6.0 kW (SP60E)
Spirit-8.0 kW (SP80E)
Spirit-9.0 kW (SP90E)



Minimum Safety Clearances:



Choose Your Experience: Xenio vs. Fenix AI Controls
Deciding between Harvia’s two most advanced control systems? While both offer precision and reliability, they cater to different styles of sauna use. Whether you want the proven simplicity of the Xenio or the future-proof intelligence of the Fenix AI, here is how they compare.
Comparison at a Glance
| Control Type | Harvia Xenio (WiFi) | Harvia Fenix (AI/Smart w/ WiFi) |
| Interface | Compact Digital Button Panel | 4.3” High-Res Glass Touchscreen |
| WiFi Connectivity | Included (Kit Upgrade) | Built-in (Native MyHarvia 2) |
| Smart Technology | Manual Timer & Presets | AI-Adaptive Heating Curve |
| Heating Profiles | Basic Temp/Time Settings | "Mild," "Cozy," & "Hot" Presets |
| Installation | External or Inside (IPX4) | Inside or Outside (Sleek Flush Mount) |
| Automation | Weekly Clock & Delayed Start | Smart Scheduler (Sauna-Ready AI) |
The Harvia Xenio is the industry standard for digital sauna control. It is perfect for users who want a straightforward, tactical interface without over-complicating their routine.
Tactile Control: Uses a clear, illuminated digital display and responsive buttons.
WiFi Ready: This package includes the WiFi upgrade, allowing you to use the MyHarvia App to preheat your sauna from your smartphone.
Compact Footprint: A small, unobtrusive panel that fits almost anywhere.
The Harvia Fenix is more than a control panel; it’s an intelligent sauna companion. It is designed for those who want a premium, "smart home" experience with zero guesswork.
AI-Adaptive Learning: The standout feature. Fenix actually learns how quickly your specific sauna room heats up. Instead of guessing, you tell Fenix when you want to step in, and it calculates the exact start time to reach your target temperature efficiently.
Immersive Touchscreen: A beautiful 4.3-inch glass interface that mirrors the look and feel of modern high-end electronics.
One-Touch Presets: Don't want to fiddle with numbers? Choose between Mild (soft, humid), Cozy (standard), or Hot (traditional Finnish) profiles at the tap of a finger.
Advanced Control: Beyond temperature, Fenix offers more nuanced management of humidity, ventilation, and lighting, all through the updated MyHarvia 2 ecosystem.
Select Xenio if: You value proven reliability, a simple interface, and want the core benefits of WiFi control at a lower price point.
Select Fenix AI if: You want the best technology Harvia offers. It is ideal for those who love automation, want a stunning touchscreen interface, and prefer a system that "learns" their preferences for the perfect session every time.