# Finnmark Designs FD-5 Trinity XL Infra-Steam Sauna

> Finnmark Designs FD-5 Trinity XL Infra-Steam Sauna is a xl sauna from Finnmark Designs indoor saunas. It uses electric heat, seats up to 4, and is rated to reach 190 °F. Lowest in-stock price on file: $8,995 at Nordica Sauna (checked Oct 7, 2026).

- Line: [Finnmark Designs indoor saunas](https://saunagrid.com/lines/finnmark-designs-indoor/)
- Category: [Saunas](https://saunagrid.com/compare/sauna/)
- Size tier within its line: xl
- Status: current
- Data confidence: inferred (last verified 2026-10-07; [what this means](https://saunagrid.com/how-we-compare/#confidence))
- Page: https://saunagrid.com/products/finnmark-designs-indoor-fd-5-trinity-xl-infra-steam/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model / SKU | not published |  |
| Heat | electric | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Setting | not published |  |
| Shape | not published |  |
| Seats | 4 | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Outside size (L×W×H) | not published |  |
| Inside size (L×W×H) | 60.1 × 70.5 × 75.2 in | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Weight | 575 lb | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Power | not published |  |
| Voltage | 240 | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Circuit | 15 A | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Plugs in | no | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Top temperature (claimed) | 190 °F | [saunakits.com](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) (retailer, page, 2026-10-07) |
| Heater | not published |  |
| Heater included in the price | not published |  |
| Wood | not published |  |
| Thermally modified wood | not published |  |
| Wall / stave thickness | not published |  |
| Arrives | not published |  |
| Electrical safety listing | not published |  |
| Warranty: cabin | not published |  |
| Warranty: heater | not published |  |

## Accessories made for this model

- [Finnmark Designs FD-5 Waterproof Sauna Cover](https://saunagrid.com/products/finnmark-designs-accessories-fd-5-waterproof-sauna-cover/) (weather cover) — $1,398

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Nordica Sauna | $8,995 | in stock | 2026-10-07 | [View at Nordica Sauna](https://saunakits.com/products/finnmark-fd-5-trinity-xl-infra-steam-sauna) |

Prices are re-checked weekly; a date more than a month old means the store could not be re-read.

## The equivalent in other lines

Same category, same size tier (xl), different line:

- [Almost Heaven Magnus 6 Person Canopy Barrel Sauna (electric)](https://saunagrid.com/products/almost-heaven-barrel-magnus-6-person-canopy-electric/) — $16,558
- [Almost Heaven Magnus 6 Person Canopy Barrel Sauna (wood-fired)](https://saunagrid.com/products/almost-heaven-barrel-magnus-6-person-canopy-wood/) — $20,128
- [Almost Heaven Evander Half-Moon Canopy Barrel Sauna (electric)](https://saunagrid.com/products/almost-heaven-barrel-evander-half-moon-canopy-electric/) — $17,653
- [Almost Heaven Evander Half-Moon Canopy Barrel Sauna (wood-fired)](https://saunagrid.com/products/almost-heaven-barrel-evander-half-moon-canopy-wood/) — $21,223
- [Almost Heaven Patterson 6 Person Indoor Sauna](https://saunagrid.com/products/almost-heaven-indoor-patterson-6-person/) — $7,438
- [Almost Heaven Grandview 4-6 Person Canopy Barrel Sauna (electric)](https://saunagrid.com/products/almost-heaven-barrel-grandview-4-6-person-canopy-electric/) — $9,083
- [Almost Heaven Grandview 4-6 Person Canopy Barrel Sauna (wood-fired)](https://saunagrid.com/products/almost-heaven-barrel-grandview-4-6-person-canopy-wood/) — $12,653
- [Almost Heaven Lewisburg 6-8 Person Barrel Sauna (electric)](https://saunagrid.com/products/almost-heaven-barrel-lewisburg-6-8-person-electric/) — $9,083


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SaunaGrid lists home saunas from every brand side by side, with a source for every spec and a date on every price. [How we compare](https://saunagrid.com/how-we-compare/). Data as of 2026-10-10.