Harvia Spirit SP80E 8.0KW + WiFi Controller (Heater Kit)

The Harvia Spirit SP80E is a stylish, Finnish-made 8.0 kW electric heater that heats a room quickly and runs safely — Harvia's integrated safety functions are part of the design, not an afterthought. It is a sensible default for home use in family cabins and barrel saunas.

It ships as a complete, ready-to-run kit: 45 KG of rounded Harvia stones and the Harvia Xenio controller with Wi-Fi module, so you can schedule and start the sauna remotely. The stones and controller are required to run the heater and are included.

The Spirit SP80E is Harvia's modern floor-standing profile: a slim vertical column that reads as architecture rather than appliance, with the stone bed running deep down the body. The shape isn't styling alone — a tall stone column heats bottom-to-top and releases löyly in a longer, softer wave than a shallow basket can.

Speed is its calling card. The Spirit's element geometry brings a family room to bathing temperature noticeably faster than classic wall units, which changes weekday behaviour: a sauna that's ready in half an hour gets used on a Tuesday; one that needs an hour waits for Saturday.

The 45 kg of rounded stones in the kit are the premium grade — rounded stones pack with more consistent air gaps than split ones, which is why Harvia specifies them for this body. Combined with the Xenio Wi-Fi controller, the kit arrives as a complete, certified system: heater, stones, control, safety logic, one carton.

Safety functions are integrated rather than added: overheat protection, timeout logic, and the controller's child-lock come standard, which is why the Spirit is our default recommendation for family cabins and barrel builds where the heater shares space with towels, kids, and enthusiasm.

Fit guidance: 8 kW places it in the same 7–12 m³ band as the KIP80 — the choice between them is form factor and heat character. Floor-standing column with fast, tall löyly: Spirit. Wall-hung with cleared floor: KIP80. Both are wrong only if the room volume is.

The Spirit belongs to Harvia's current design generation, and the refinement shows at the seams: panel gaps that stay even after two hundred heat cycles, a stone basket that loads without fighting, switchgear that clicks with intent. None of it changes the physics of 8 kW — all of it changes how owning the thing feels across a decade.

If you're building new rather than replacing, the Spirit's floor-standing format also simplifies the room design conversation: no wall reinforcement, no stud-hunting, no bracket geometry — it stands where the plan says, wired from below or behind. Builders quote fewer install hours against it than any wall unit we pair.

The practical difference the faster heat-up makes is behavioural, not thermal: households with Spirit-equipped rooms log more weekday sessions, because a 30-minute lead time survives contact with a normal evening. The best heater is the one that gets the room used — that's the Spirit's actual specification.

The closing argument for the Spirit is the one Finnish buyers make silently: it's the heater the manufacturer's home market actually buys for family rooms — the volume choice in the country that measures sauna equipment against a national pastime. Export markets get the same machine; the Spirit's reputation was earned where the standards are highest.

Order it with the room or as the upgrade that revives an older build — the kit's completeness (heater, stones, controller, Wi-Fi) means there's no hidden second purchase either way.

Availability mirrors the KIP: stocked kits, ready parts, quotes answered in a day.

The Spirit ships crated with stones bagged by grade and the controller boxed inside the same carton — one delivery, one install visit, first löyly the same evening.

• Finnish-built electric heater
• Fast time-to-temperature
• Integrated over-temperature and safety cutoffs
• Sized for family rooms and barrel saunas

WHAT'S IN THE KIT

• 45 kg of Harvia rounded stones (Ø 5–10 cm)
• Harvia Xenio controller with Wi-Fi module
• Harvia The Wall SW80 heater

Stones and controller are required for operation — this kit ships complete and ready to wire.