Financing
Finance Your Next Sauna with Bread Pay®
We have teamed up with Bread Pay® to offer easy financing - without a catch. There are no origination fees or prepayment penalties. Provide some basic information and get a real time decision to split your purchase into 12, 24, or 36 monthly payments* or even break up your purchase between a credit card and financing. Apply for Bread Pay® financing online today!
*Minimum purchase of $50.00 is required. Availability of terms may vary based on purchase price, product, and state of residence. Down payment may be required. Subject to approval of credit application. Rates range from 0% to 34.99% APR, resulting in, for example 24 monthly payments of $51.87 at 21.99% APR, per $1,000.00 borrowed. APRs will vary depending on credit qualifications, loan amount, and term. Bread Pay® loans are made by Comenity Capital Bank, a Bread Financial® company.
HSA / FSA Funds
HSA/FSA Funds
Exciting news - we’ve partnered with TrueMed to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA) at Nordica This means you can buy our products with pre-tax dollars, resulting in net savings of 30-40%.
TrueMed is on a mission to make healthy options more affordable. You can learn more about them here.
Since saunas, ice bath tubs, and other wellness products are now considered to be very beneficial tools for one's mental and physical health, FSA and HSA cards are now being accepted as health and medical expenses.
HSAs and FSAs were created for you to spend tax-advantaged dollars on products and services that can treat or prevent medical conditions and TrueMed is making it easy to do just that.
Harvia Spirit SP90E 9kW Electric Sauna Heater — Wall-Mount | 240VAC Single Phase | Black
Transform your sauna into a sanctuary of authentic Finnish warmth. The Harvia Spirit SP90E is a premium 9.0 kW wall-mounted electric sauna heater engineered for medium-to-large sauna rooms. Crafted in Finland with over 75 years of sauna heritage behind it, the Spirit SP90E combines rapid heat-up performance, integrated safety technology, and a sleek black aesthetic that elevates any sauna installation.
Whether you're building a new home sauna or upgrading an existing space, the Harvia Spirit SP90E delivers the deep, enveloping heat that sauna enthusiasts demand — quietly, efficiently, and reliably.
Why Choose the Harvia Spirit SP90E?
The Harvia Spirit SP90E isn't just a heater — it's the centerpiece of a complete sauna wellness experience. Its elegantly curved black casing and deep stone basket deliver the kind of soft, radiating löyly (steam) that is the hallmark of a true Finnish sauna. With a 110 lb stone capacity using Harvia's Olivine Diabase stones (R-991), the Spirit generates a rich, even heat that penetrates deeply and holds steady throughout your session.
Designed to heat up your sauna quickly and efficiently, this heater is ideal for home sauna builds, spa facilities, and wellness retreats where performance and reliability are non-negotiable.
Key Features
- Made in Finland — built to Harvia's exacting Finnish quality standards with decades of sauna engineering expertise
- 9.0 kW powerful output — designed for sauna rooms from 177 to 494 adjusted cubic feet, perfect for medium to large sauna spaces
- Rapid heat-up technology — reaches optimal sauna temperatures efficiently, minimizing wait time and energy use
- Integrated safety functions — built-in safety features ensure worry-free, consistent operation during every session
- Compatible with the Harvia Xenio Control — pair with Xenio wall-mounted or Xenio Wi-Fi touchscreen control for precise digital temperature and timer management
- Compatible with the Harvia Fenix Control — connect with the smart Harvia Fenix Wi-Fi control for app-based remote control, scheduling, and smart home integration
- ETL Listed — certified for safety and performance in North American markets
- UL 875 compliant — meets stringent U.S. electrical safety standards
- IPX4 rated — splash-resistant construction for the demanding sauna environment
- Wall-mounted design — space-efficient installation keeps your sauna floor clear and accessible
Compatible Control
The Harvia Spirit SP90E is compatible with two premium Harvia control lines — the Xenio and the Fenix. Both are designed to provide precise, reliable control over your sauna experience. Here's how they compare:
Harvia Xenio Control
The Harvia Xenio is a wall-mounted digital sauna control panel designed for straightforward, intuitive sauna management. The CX45 Wi-Fi — the Xenio line is the go-to choice for users who want reliable, no-fuss control with an elegant interface.
Key Features:
- 🖥️ Backlit digital display — clear temperature and timer readout at a glance
- ⏱️ Timer & scheduling — set your sauna to preheat up to 24 hours in advance
- 🌡️ Precise temperature control — adjustable from 40°C to 110°C (104°F to 230°F)
- 💡 Lighting control — manage compatible Harvia LED lighting systems directly from the panel
- 🔒 Child lock — built-in safety lock for households with children
- 📡 Wi-Fi connectivity — control your sauna remotely via the Harvia App
- 🔌 Plug-and-play wiring — designed for straightforward installation alongside Harvia heaters
- 🏠 Wall-mounted — clean, flush installation on the sauna exterior wall
- ✅ ETL Listed — certified for North American markets
| Spec | CX45 (Wi-Fi) |
|---|---|
| Wi-Fi / App Control | ✅ Yes (Harvia App) |
| Display | Digital LCD |
| Max Heater Power | 9 kW |
| Timer | Up to 24h |
| Lighting Control | ✅ Yes |
| Child Lock | ✅ Yes |
| Remote Scheduling | ✅ Yes |
Harvia Fenix Control
The Harvia Fenix represents the next generation of smart sauna control. Built with native Wi-Fi and deep integration with the Harvia App, the Fenix transforms your sauna into a fully connected wellness device. It's the ideal choice for tech-forward users who want the ultimate in convenience, personalization, and smart home compatibility.
Key Features:
- 📱 Full smartphone control — start, stop, schedule, and monitor your sauna remotely via the Harvia App (iOS & Android)
- 📶 Native Wi-Fi built-in — no additional hub or adapter required
- 🕐 Smart scheduling & preheating — set daily or weekly sauna programs from your phone, anywhere
- 🌡️ Precise digital temperature control — 40°C to 110°C (104°F to 230°F)
- 👤 Guest Mode — share temporary sauna access with guests directly through the app
- 💨 Ventilation fan control — manage compatible sauna ventilation systems from the same panel
- 💡 Lighting & accessory control — full management of Harvia LED lighting and other compatible accessories
- 🏠 Smart home integration — compatible with Amazon Alexa and Google Home ecosystems
- 🔒 Child lock & safety timer — built-in safety features for peace of mind
- 🖐️ Touchscreen panel — sleek, modern touchscreen interface for in-sauna control
- ✅ ETL Listed — certified for North American markets
| Spec | Fenix |
|---|---|
| Wi-Fi / App Control | ✅ Yes — Native Wi-Fi (Harvia App) |
| Display | Touchscreen |
| Max Heater Power | 9 kW |
| Timer / Scheduling | Daily & Weekly Programs |
| Guest Mode | ✅ Yes |
| Ventilation Control | ✅ Yes |
| Lighting Control | ✅ Yes |
| Child Lock | ✅ Yes |
| Smart Home (Alexa / Google) | ✅ Yes |
| Remote Preheating | ✅ Yes |
Xenio vs. Fenix — Side-by-Side Comparison
| Feature | Xenio CX45 | Fenix |
|---|---|---|
| Wall-Mounted Panel | ✅ | ✅ |
| Temperature Control | ✅ | ✅ |
| 24h Timer | ✅ | ✅ |
| Wi-Fi Connectivity | ✅ | ✅ |
| Harvia App Control | ✅ | ✅ |
| Remote Preheating | ✅ | ✅ |
| Weekly Scheduling | ❌ | ✅ |
| Guest Mode | ❌ | ✅ |
| Ventilation Control | ❌ | ✅ |
| Smart Home Integration | ❌ | ✅ |
| Lighting Control | ✅ | ✅ |
| Child Lock | ✅ | ✅ |
| Best For | App control on a budget | Full smart sauna experience |
💡 Not sure which control to choose?
- Choose the Xenio CX45 if you want smartphone convenience at a more accessible price point.
- Upgrade to the Fenix if you want the full smart sauna experience with scheduling, guest access, ventilation control, and smart home integration.
What's in the Box
- Harvia Spirit SP90E 9.0 kW electric sauna heater (Black)
- Integrated safety device
- Wall-mounting bracket and hardware
- Detailed installation and user manual
Technical Specifications
| Feature | Details |
|---|---|
| Model | HSPE90U1M (Spirit SP90E) |
| Power Output | 9.0 kW |
| Voltage / Phase | 240VAC, 1-Phase |
| Electrical Frequency | 50/60 Hz |
| Amperage | 37.5 A |
| Recommended Circuit Breaker | 40 A |
| Supply Cable | AWG 8 |
| IP Class | IPX4 |
| Room Volume (Adjusted) | 177 – 494 cu. ft. |
| Maximum Temperature | 194°F (90°C) |
| Stone Capacity | 110 lbs (49.9 kg) |
| Stone Type Required | Harvia Olivine Diabase Rounded Stones R-991 (4 boxes, sold separately) |
| Stone Size | Ø 5–10 cm (2"–4") |
| Heater Dimensions | H: 29.5" (74.9 cm) × W: 15" (38.1 cm) × D: 13.1" (33.3 cm) |
| Safety Distances | Front: 3.2" · Sides: 3.2" · Ceiling: 35.5" · Floor: 4" |
| Certifications | ETL Listed, UL 875 |
| Control Compatibility | Harvia Xenio CX45 Wi-Fi, Harvia Fenix Wi-Fi |
| Mounting Type | Wall-mounted |
| Country of Origin | Finland |
All dimensions and specifications are approximate and subject to change without notice.
Delivery
Your Harvia Spirit SP90E is carefully packaged to arrive in perfect condition, protected for safe transit. The included installation manual guides you through every step of the setup process — from wiring and mounting to stone loading — so you can get your sauna up and running as quickly as possible. Please ensure your installation is performed by a qualified electrician in accordance with local codes.
Technical Notes
The Harvia Spirit SP90E is a dedicated electric sauna heater requiring a hard-wired 240V single-phase circuit. A 40-amp breaker and AWG 8 supply cable are required. A compatible Harvia Xenio or Fenix control is mandatory for operation — the heater does not include an integrated manual control. Installation must comply with all local building and electrical codes.
For proper sizing, use the Sauna Heater Sizing Tool by Finnish Sauna Builders to confirm this model suits your sauna room dimensions.
Installation Manual
📄 Click Here to Download the Harvia Spirit Installation Manual
Videos
Overview of the Spirit Heater
How to Install the Spirit Heater
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