Buy from Almost Heaven Saunas: Seneca 6 Person Barrel Sauna
Almost Heaven Saunas' own page for the Seneca 6 Person Barrel Sauna. Not a paid link.
Seneca 6 Person Barrel Sauna vs Horizon Outdoor Sauna, 6 Person with Porch
Almost Heaven Saunas Seneca 6 Person Barrel Sauna and Redwood Outdoors Horizon Outdoor Sauna, 6 Person with Porch, compared on the figures their makers publish. Both are barrel saunas rated by their makers for at least some of the same number of people.
The makers' figures side by side
| Specification | Almost Heaven Saunas Seneca 6 Person Barrel Sauna | Redwood Outdoors Horizon Outdoor Sauna, 6 Person with Porch |
|---|---|---|
| Format | Barrel sauna | Barrel sauna |
| Indoor or outdoor | — | Outdoor |
| Seats (maker's rating) | 6 people | 4–6 people |
| Outside dimensions | 82 ⅜″W x 82″D x 85 ⅞″H | — |
| Inside dimensions | 79 ⅝″W x 74 ¼″D x 79 ⅝″H | — |
| Wood | — | Canadian Thermowood |
| Heater | — | 6kW Harvia KIP heater, with upgrades available |
| Heater output | 8 or 9 kW | 6 kW |
| Electrical supply | 8kW/9kW, 240V, 40/45-amp requirement, hard-wire connect | 120V for lighting and 240V for heater |
| Benches | 20 ¹¹⁄₁₆″W x 74 ¼″L x 20″H | — |
| Warranty | Almost Heaven Saunas come with a Limited Lifetime Warranty covering manufacturing defects, while Harvia heaters include a 1-year warranty on heating elements and 5 years on other components | 1-year limited warranty on wooden saunas (materials and workmanship), from delivery date |
| Made in | USA | — |
| Price on the maker's site | From $8,844 (almostheaven.com, 23 Sep 2026) | $7,599 (redwoodoutdoors.com, 23 Sep 2026) |
Each figure is the maker's own, as cited row by row on the Seneca 6 Person Barrel Sauna and Horizon Outdoor Sauna, 6 Person with Porch pages and listed in the sources below. A dash means the figure is not on the maker pages we cite. Figures marked "about" are Saunakivi's unit conversions of the maker's figure.
Where to buy
Almost Heaven Saunas Seneca 6 Person Barrel Sauna
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Buy from Redwood Outdoors: Horizon Outdoor Sauna, 6 Person with Porch
Redwood Outdoors' own page for the Horizon Outdoor Sauna, 6 Person with Porch. Not a paid link.
Where the published figures differ
- Seats (maker's rating): Seneca 6 Person Barrel Sauna: 6 people. Horizon Outdoor Sauna, 6 Person with Porch: 4–6 people.
- Heater output: Seneca 6 Person Barrel Sauna: 8 or 9 kW. Horizon Outdoor Sauna, 6 Person with Porch: 6 kW.
- Electrical supply: Seneca 6 Person Barrel Sauna: 8kW/9kW, 240V, 40/45-amp requirement, hard-wire connect. Horizon Outdoor Sauna, 6 Person with Porch: 120V for lighting and 240V for heater.
- Warranty: Seneca 6 Person Barrel Sauna: Almost Heaven Saunas come with a Limited Lifetime Warranty covering manufacturing defects, while Harvia heaters include a 1-year warranty on heating elements and 5 years on other components. Horizon Outdoor Sauna, 6 Person with Porch: 1-year limited warranty on wooden saunas (materials and workmanship), from delivery date.
- Price on the maker's site: Seneca 6 Person Barrel Sauna: From $8,844 (almostheaven.com, 23 Sep 2026). Horizon Outdoor Sauna, 6 Person with Porch: $7,599 (redwoodoutdoors.com, 23 Sep 2026).
Figures we cite for only one of the two: indoor or outdoor (only Redwood Outdoors's cited pages give it); outside dimensions (only Almost Heaven Saunas's cited pages give it); inside dimensions (only Almost Heaven Saunas's cited pages give it); wood (only Redwood Outdoors's cited pages give it); heater (only Redwood Outdoors's cited pages give it); benches (only Almost Heaven Saunas's cited pages give it); made in (only Almost Heaven Saunas's cited pages give it). Ask the other maker before treating the two as equal on those points.
Read each one in full
Almost Heaven Saunas Seneca 6 Person Barrel Sauna
Almost Heaven Saunas · seats 6 · barrel sauna
Redwood Outdoors Horizon Outdoor Sauna, 6 Person with Porch
Redwood Outdoors · seats 4–6 · barrel sauna · for outdoor use
Sources
- Seneca 6 Person Barrel Sauna - Almost Heaven Saunas — Almost Heaven Saunas
- Horizon 6 Person Outdoor Sauna With Porch | Redwood Outdoors — Redwood Outdoors
- Sauna Warranty Information — Redwood Outdoors