Holl's
Holl's Onyxia Barrel — 6-Person ThermoWood Barrel Sauna (Electric or Wood-Fired)
Holl's Onyxia Barrel — 6-Person ThermoWood Barrel Sauna (Electric or Wood-Fired)
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The Onyxia Barrel is the flagship of Holl's outdoor range and the one for purists: a full-size, made-in-Europe barrel in 40mm ThermoWood® Finnish pine that will run a crackling wood-burning stove — chimney and all — or a clean electric heater, whichever ritual is yours. Built with Harvia, the Finnish stove maker whose name is shorthand for the real thing.
Fire or switch — your call
Spec it with the dedicated Harvia wood-burning heater kit (stove, fireplace base, heat shields — exclusive to this model) for the off-grid crackle-and-löyly experience, or fit an electric stove from 6kW for push-button sessions. Either way, the barrel geometry circulates heat naturally around six facing seats — or two people flat out on the reclining configuration.
Details
- ThermoWood® Finnish pine, 40mm — thermally modified, chemical-free, made in Europe
- 14mm half-moon rear window for panoramic views with better thermal insulation
- Two deep facing benches in lime wood, LED lighting behind the backrests
- Shingle roof included
Specification
| Capacity | 6 seated, or 2 reclining loungers |
| Dimensions (W × D × H) | 225 × 240 × 226 cm (floor space ~160 × 188 cm) |
| Wood | ThermoWood® Finnish pine, 40mm — Made in Europe, with Harvia |
| Heater | Wood-burning (Harvia kit) or electric from 6kW — not included |
| Window | Half-moon rear, 14mm |
| Warranty | 4 years wood · 2 years electrical components |
Heater, flue and installation
Going wood-fired? The Harvia kit includes the stove, fireplace base and protection panels; the flue exits through the barrel roof and we'll advise on safe siting and clearances before you order. Going electric? A 6–9kW stove needs a dedicated outdoor-rated circuit from a qualified electrician. Either way: firm level base, two-person assembly, shingles included.
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