Finnmark Designs FD-5 ("Trinity™ XL")
Also listed as: Finnmark FD-5 Trinity XL Infrared and Traditional 4-Person Hybrid Sauna; Finnmark 4 Person FD-5 Trinity XL Infrared & Steam Sauna Combo; Finnmark FD-5 Trinity XL Infra-Steam Sauna
Hybrid
All 5 Finnmark Designs saunas, with verified prices
- Capacity
- 4 persons
- Warranty
- 10 yr
- Verified price
- $8,995
Where to buy
Lowest verified price: $8,995.00 at Haven Of Heat, checked October 18, 2026; all 5 verified sellers list the same price.
| Seller | Price | Checked |
|---|---|---|
| Haven Of Heat | $8,995.00 | October 18, 2026 |
| Sun Valley Saunas | $8,995.00 | October 18, 2026 |
| Select Saunas | $8,995.00 | October 18, 2026 |
| My Sauna World | $8,995.00 | October 18, 2026 |
| SaunaKits.com | $8,995.00 | October 18, 2026 |
Sellers without a link are shown for price comparison only: this site links out through reviewed partner programs, and those sellers are not in one.
Prices move often and can vary by configuration; confirm the current price with the seller. The buy links are affiliate links that support this site; see the affiliate disclosure.
Prices and specifications verified October 18, 2026, and re-checked weekly after that. How these numbers are checked.
Will it fit
- Footprint
- 75" W x 64" D x 84" H
- Placement
- Indoor
- Plug-in or 240 V
- 240 V: plugs into a 240 V outlet on a dedicated circuit.
- Circuit
- Infrared: 240V, 15A, NEMA 6-15P; Harvia KIP45B traditional heater: 240V, 20A ("Electrician Required"), as the maker publishes it.
Key facts
- Running cost
- Not computed: the maker publishes no heater rating.
Price history
Median verified price across sellers, at each weekly check
Flat at $8,995.00 from August 10, 2026 to October 18, 2026.
The median across its verified listings reads the same as it did on August 10, 2026, though the number of verified listings changed from 3 to 5 over that window.
Lowest single listing in the 30 days to October 18, 2026: $8,995.00.
25 price checks on record, the first on August 10, 2026.
Tell me when this price drops
We re-check every verified listing on a weekly cycle and publish every price that fell. Leave your email and you get that list once a week, Finnmark Designs FD-5 ("Trinity™ XL") included the week it moves.
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Full specifications: capacity, heater power, warranty and 1 more, each with its source
| Capacity | 4 persons |
|---|---|
| Heater power | not verified |
| Warranty | 10 yr |
| Wood | Clear "A" grade Canadian Western Red Cedar (interior), Thermal Plus Canadian Aspen (exterior) |
Specifications read from the maker's product page on July 24, 2026: finnmarkdesigns.com.
What these specifications mean, explained once: Infrared vs traditional sauna, Sauna dimensions by capacity, Costco sauna prices compared, Sauna breaker and wire size chart, Sauna heater sizing calculator, and Sauna running cost calculator.
How it measures against similar models: 1 high
What stands out
- Warranty of 10 yr is higher than 97 percent of the 271 models that list one (median: 5 yr).
The 3 categories it is listed in
This model is listed in these categories:
Similar models
Nearest to this model on capacity, type, and price.
- Golden Designs "Soria" 3 Person Hybrid Sauna (Indoor) Full Spectrum and Harvia Traditional Stove (GDI-8330-01) $7,000-$8,099 3 persons hybrid
- Leil Como 4-180 $8,790-$9,980 4 persons traditional
- Almost Heaven Himalaya (Small / 4-Person) $8,651 4 persons traditional
- Clearlight Sanctuary 5 $8,399-$8,899 4 persons infrared
- Auroom Cala Glass Cabin Sauna Kit $7,990-$9,490 4 persons traditional
- Golden Designs Gargellen 5-Person Hybrid Flat Roof Sauna (GDI-8025-01) $9,099 5 persons hybrid