Finnmark FD-4 Trinity 2-Person Infrared & Steam Sauna Combo for Home Wellness

One Sauna. Three Wellness Experiences.

The Finnmark FD-4 Trinity is designed for homeowners who don’t want to choose between infrared therapy and traditional steam heat. This two-person hybrid sauna brings together infrared warmth, classic steam intensity, and red light therapy in a single, thoughtfully engineered indoor unit.

Whether you prefer a dry infrared session, a steamy traditional sauna, or a blended wellness routine, the Trinity adapts to how you want to relax and recover.

Why the Trinity Sauna Is Different

Unlike standard combination saunas, the FD-4 Trinity integrates independently functioning heating systems rather than relying on compromises. Infrared panels provide consistent, penetrating warmth, while the built-in traditional sauna heater delivers the humidity and heat associated with classic sauna bathing.

The interior is finished with Western Canadian cedar, selected for its natural resistance to moisture and odor, while the exterior structure is built for long-term indoor durability.

Infrared Heat, Traditional Steam, and Red Light—Together

The Trinity sauna allows users to experience different heat styles depending on preference. Infrared elements offer deep, comfortable warmth, while the traditional heater supports steam sessions by allowing water to be added to heated stones.

Integrated red light therapy adds another layer to the experience, using targeted light exposure as part of a broader wellness routine. Each system can be used individually or combined, offering flexibility that most home saunas don’t provide.

Ideal For

• Two-person home sauna use

• Users who want both infrared and steam options

• Wellness routines that include heat and light therapy

• Indoor residential installation

Technical Overview (Simplified)

• Capacity: 2 people

• Sauna Type: Infrared + traditional steam combination

• Heating Systems: Infrared panels and traditional sauna heater

• Interior Wood: Western Canadian cedar

• Electrical: Designed for residential electrical setups

• Traditional Heater: Included