Leil Viva 120 1-Person Outdoor Sauna Kit

Leil Saunas traditional sauna

Prices verified August 2026

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Specifications

Leil Viva 120 1-Person Outdoor Sauna Kit full specifications
SpecValue
Capacity1 person
External Dimensions (Width)48.2 inches
External Dimensions (Depth)53.5 inches
External Dimensions (Height)92.1 inches
Internal Dimensions (Width)44.9 inches
Internal Dimensions (Depth)44.9 inches
Internal Dimensions (Height)82.7 inches
Steam Room Volume2.7 m³ (95.3 cubic feet)
Coverage Area17.2 square feet
WeightApproximately 882 lbs
Wall Construction40mm ThermoWood® (thermally-treated Scandinavian pine)
Flooring40mm ThermoWood®
Ceiling/Roof40mm ThermoWood® with EPDM roof cover for weather resistance
Bench/Backrest MaterialThermo-alder (low thermal conductivity, stays cool to touch)
Door MaterialTempered bronze glass with premium handle and black hinges
Ventilation System3 strategically-placed openings for optimal air circulation and heat balance
Heater CompatibilityElectric heaters only (4.5–6kW recommended, sold separately)
Electrical Requirements220–240V hardwired connection with dedicated breaker (varies by heater model)
Assembly TypeDIY modular kit (not pre-assembled, includes hardware and manual)
Installation SurfaceStable, level ground such as concrete pad, paver patio, or reinforced deck
Warranty Period2 years covering manufacturing defects and pre-transportation damage
Optional UpgradesLED lighting sets (under-bench or behind-backrest), decorative hexagon back-wall panels
Maintenance RecommendedAnnual treatment with UV-protective varnish (exterior) and sauna oil/wax (benches)
Year-Round UseYes, engineered for cold winters and hot summers with complete moisture protection

Cost to own

Leil Viva 120 1-Person Outdoor Sauna Kit cost and warranty figures
MetricValue
Cost per session (3yr basis)$69.10
Monthly running costvaries (heater dependent)
True delivered price$10,780
Warrantyper manufacturer

Assumptions: electricity at $0.17 per kWh (US average), cost per session over 3 years at about 1 session per week (price divided by 156), sauna running cost at a 30-minute session. These are estimates for comparison, not quotes.

What owning traditional cabins involves
OwnershipWhat it means
UpkeepTwo jobs, on different clocks. The stones are checked at least once a year, rearranged, and any that have broken, crumbled or discoloured are replaced, which keeps the heater from working against a packed bed. The exterior is resealed or restained every 2 to 4 years with an exterior-grade product carrying UV inhibitors, sooner under strong sun, snow or coastal salt, with a look each year for fading and dry patches. Inside, benches and backrests are wiped down after a session and nothing is sealed: sealant and wood protectant are not used anywhere inside a sauna, and tired interior wood is sanded back instead.
What you rebuySauna stones (checked yearly, replaced as they crumble), Exterior stain or sealant with UV inhibitor (every 2 to 4 years)
Where they failStones crumbling into the heater bed, with broken pieces underneath as the tell; Discolouration or limescale on the heater elements, which Harvia gives as the signal to replace the heater; Exterior wood left unsealed past its interval, where fading and dry patches show first

These apply to the class, not to this record alone, and they are sourced from the manufacturer guidance for it. Anything a source does not state is left out rather than estimated.

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Leil Viva 120 1-Person Outdoor Sauna Kit FAQ

What does the Leil Viva 120 1-Person Outdoor Sauna Kit cost?

$10,780 delivered, which is $69.10 a session over three years at about one session a week. Every traditional cabin on the same axis.

What warranty does the Leil Viva 120 1-Person Outdoor Sauna Kit carry?

per manufacturer, from Leil Saunas. Every traditional cabin warranty side by side.

What is involved in owning a traditional cabin?

Two jobs, on different clocks. The stones are checked at least once a year, rearranged, and any that have broken, crumbled or discoloured are replaced, which keeps the heater from working against a packed bed. The exterior is resealed or restained every 2 to 4 years with an exterior-grade product carrying UV inhibitors, sooner under strong sun, snow or coastal salt, with a look each year for fading and dry patches. Inside, benches and backrests are wiped down after a session and nothing is sealed: sealant and wood protectant are not used anywhere inside a sauna, and tired interior wood is sanded back instead. You rebuy sauna stones (checked yearly, replaced as they crumble), exterior stain or sealant with uv inhibitor (every 2 to 4 years). How every traditional cabin compares.