SaunaCosts

Finnmark Designs FD-5 ("Trinity™ XL")

Hybrid

Capacity
4 persons
Warranty
10 yr
Verified price
$8,995
Manufacturer photo of the Finnmark Designs FD-5 ("Trinity™ XL")

Specifications

Capacity4 persons
Heater powernot verified
Warranty10 yr
Exterior dimensions
what this meansThree figures as the manufacturer publishes them. The source does not name which is width, depth or height, so this site does not label them either.
75" W x 64" D x 84" H
Power requirementsInfrared: 240V, 15A, NEMA 6-15P; Harvia KIP45B traditional heater: 240V, 20A ("Electrician Required")
WoodClear "A" grade Canadian Western Red Cedar (interior), Thermal Plus Canadian Aspen (exterior)
PlacementIndoor

Practical numbers

Power circuit
Infrared: 240V, 15A, NEMA 6-15P; Harvia KIP45B traditional heater: 240V, 20A ("Electrician Required"); needs a 240 V circuit; an electrician typically installs a dedicated line

What stands out

  • Warranty of 10 yr is higher than 97 percent of the 197 models that list one (median: 5 yr).

Price check

Retail pricing observed in public listings as of July 24, 2026:

$8,995.00 at Select Saunas, the only verified listing.

Buy from Select Saunas

Prices move often and can vary by configuration; always confirm the current price with the retailer. The buy links are affiliate links that support this site; see the affiliate disclosure.

Similar units around 4 person capacity

Where this model is listed

This model is listed in these categories:

That is everything this database holds on the Finnmark Designs FD-5 ("Trinity™ XL"): every figure above is verified against a primary source or left blank. Compare it against the rest, or see the others in 4 person saunas.

Prices and specifications verified July 24, 2026, and re-checked weekly after that. How these numbers are checked.