Harvia Spirit 9kW Electric Sauna Heater | SP90E
A 9kW Harvia Spirit electric heater — sculptural curved design with a safety lockout that makes remote Wi-Fi starts genuinely worry-free.
- 110 lbs of stone capacity: full, even steam every session.
- Wall-mounted build keeps floor space open and uncluttered.
- Schedule sessions remotely via Harvia's Xenio Wi-Fi control system.
See What Topture Customers Are Saying…
“This has completely transformed my workspace. The natural light is a game changer!”
“Built it in a weekend with my brother. Glass front is the move — feels like a real room, not a closet.”
“I love the design and how easy it was to set up. Highly recommend for any home owner.”
- Description
- What's Included?
- Specifications
- Installation Video
- Documents
- Warranty
Imagine stepping into your sauna at the end of a long day—warmth blooming around you almost instantly, light dancing across smooth stone, and the quiet hum of a heater that feels less like equipment and more like a sculptural centerpiece. The gentle, organic curve of the Harvia Spirit SP90E welcomes you into a moment that feels intentionally designed—a sanctuary shaped for exhale, grounding, and clarity.
This isn’t just a heater; it’s the heartbeat of your daily renewal ritual. A statement of craftsmanship, Finnish engineering, and the decision to elevate your home into a space that supports your well-being, not just accommodates it.
Why do you think true sauna enthusiasts insist that the heater defines the entire experience—its atmosphere, its energy, its authenticity?
Because the right heater doesn’t feel like a purchase. It feels like an investment in every future evening, weekend, and moment of pause you gift yourself. The Spirit SP90E makes that investment feel secure with advanced dual safety sensors, smart-control compatibility, and a design that heats quickly and dependably for years.
Picture a month from now: you walk into your sauna, the temperature already perfect because you started it remotely on your phone. The stress drops away the moment the heat wraps around you. This becomes your new normal—your home elevated, your wellness supported, your evenings transformed.
Features
- Elegantly curved, organic design that turns the heater into a sculptural focal point—an aesthetic upgrade worthy of a luxury spa.
- Wall-mounted construction that preserves floor space and creates an open, architectural feel inside the sauna.
- Rapid, even heat distribution so you reach your ideal temperature quickly and consistently, every session.
- Dual safety sensors monitoring both the heater and room temperature, delivering total peace of mind during every use.
- Integrated safety lockout preventing the heater from operating when objects are placed on top—ideal for remote Wi-Fi starts.
- Compatible with Xenio wall-mounted and Wi-Fi controls for intuitive, modern management of your sauna routine.
- 110-lb stone capacity for rich, full-bodied steam—an essential element of an authentic Finnish sauna experience.
- Designed, engineered, and manufactured in Finland, honoring the heritage and standards of true sauna craft.
- Premium performance backed by warranty for confidence in a long-term home wellness investment.
- Harvia Spirit SP90E 9kW Sauna Heater
- Temperature Sensor
- Wall-Mounting Bracket
- Mounting Screws
- Installation and Operation Manual
- 2-Year Warranty (Consumer Use)
| Specification | Detail |
|---|---|
| Model | SP90E |
| Room Size | 177–494 cu. ft. |
| Wattage Rating | 9000 W |
| Voltage | 240 V |
| Phase | 1 |
| Amperage | 37.5 A |
| Circuit Breaker | See Installation and Operation Manual |
| Wire Size | AWG 8 |
| Safety Listing | ETL |
| Minimum Ceiling Height | 75" (190 cm) |
| Safety Distance (Front/Back) | See Installation and Operation Manual |
| Safety Distance (Left/Right) | See Installation and Operation Manual |
| Stone Capacity | 110 lbs (49.9 kg) |
| Stone Size | 2"–4" (5–10 cm) |
| Width | 15" (38.1 cm) |
| Depth | 13.1" (33.3 cm) |
| Height | 29.5" (74.9 cm) |
| Weight | 28.8 lbs (13.1 kg) |
| Shipping Weight with Sauna Stones | 160.8 lbs (72.9 kg) |
Safety & Installation
- Integrated safety functions prevent unauthorized operation
- Requires a minimum of 110 lbs (4 boxes) of stones (R-991 recommended)
- Additional stones recommended for optimal selection and fit (extra freight charges may apply)
- Compatible with Harvia Xenio Control System (sold separately)
Dimensions
| Dimension | Harvia Spirit SP90E (HSPE90U1M) |
|---|---|
| Width | 15" (385 mm) |
| Depth | 13.1" (334 mm) |
| Height | 29.5" (750 mm) |
| Weight, heater only (no stones) | 28.8 lb (13 kg) |
Every Harvia Spirit shares one cabinet, so these figures do not change with the heater's output. The drawing below shows which face each dimension is measured across.
Technical Data
| Specification | Harvia Spirit SP90E (HSPE90U1M) |
|---|---|
| Maximum power output | 9 kW |
| Operating voltage | 240 VAC |
| Frequency | 50/60 Hz |
| Total amperage — one supply circuit | 37.5 A |
| Supply wire size — one supply circuit | 8 AWG |
| Total amperage — two separate supply circuits | 25 A |
| Supply wire size — two separate supply circuits | 10 AWG |
| Connection cable type | Copper supply wire, temperature rating min. 194 °F (90 °C) |
| Sauna stones | Rounded stones, Ø 2–4" (5–10 cm), approx. 110 lb (50 kg) |
| Storage temperature | 32 – 122 °F (0 – 50 °C) |
| Height | 29.5" (750 mm) |
| Width | 15" (385 mm) |
| Depth | 13.1" (334 mm) |
| Weight, heater only (no stones) | 28.8 lb (13 kg) |
| Sauna room volume | 177 – 494 cu ft (5 – 14 m³) |
| Sauna room floor area | 28 – 79 sq ft |
| Sauna room height, minimum | 75" (1900 mm) |
| Approved accessories | Embedding flange HSP1; safety railing HSP3M |
| Suitable Harvia control units | Xenio CX30-U1-U3, CX45-U1-U3, CX30-U1-U3-XW, CX45-U1-U3-XW (sold separately) |
| Control unit heater grade | C3 |
Figures are for the SP90E (HSPE90U1M) only. The two-circuit amperage and wire size apply when the heater is wired across two separate supply circuits — see the circuit diagram in the Installation and Operation Manual. A licensed electrician must size the breaker and confirm every value against that manual before wiring.
Safety Distances
| Minimum clearance | Harvia Spirit SP90E (HSPE90U1M) |
|---|---|
| Heater to side wall | 3.2" (80 mm) |
| Heater to combustible material, left and right | 3.2" (80 mm) |
| Heater front to combustible material | 3.2" (80 mm) |
| Top of heater to ceiling | 35.5" (900 mm) |
| Floor to underside of heater (mounting height) | 4" – 12" (100 – 300 mm) |
| Sauna room height | 75" (1900 mm) |
| Clear wall area required — width | 21.5" (545 mm) |
| Clear wall area required — depth from the wall face | 16.3" (414 mm) |
Harvia states the same clearances at every Spirit output, so these do not change with the heater's kW rating. The last two rows are the total protected zone — cabinet plus the 3.2" clearance on each free side (385 + 80 + 80 = 545 mm wide, 334 + 80 = 414 mm deep). Neglecting these values causes a risk of fire; confirm against the Installation and Operation Manual linked below before building.
