The Finnmark Designs FD-5 XL is a spacious indoor hybrid sauna combining traditional Finnish-style heat with full-spectrum infrared technology in a single environment. Its two-tier interior, insulated construction, low-EMF/ELF infrared system, and substantial warranty coverage make it a versatile choice for clients seeking the flexibility of two distinct sauna experiences without requiring two separate spaces.

Model: Finnmark Designs FD-5 XL Trinity™ XL

Sauna Type: Hybrid Traditional + Full-Spectrum Infrared

Application: Indoor Residential

Capacity: Up to 4 people

Heating: Traditional Electric + Full-Spectrum Infrared

Exterior Width: 75"

Exterior Depth: 64"

Exterior Height: 84"

Glass: 8 mm Tempered Glass

Construction: Insulated tongue-and-groove cabin

Interior Width: 71"

Interior Depth: 57.5"

Interior Height: 75"

Bench Configuration: Two-Tier

Upper Bench: 71" × 22"

Lower Bench: 71" × 16"

Interior Wood: Thermal Plus™ Aspen

Exterior Wood: Canadian Grade “A” Clear Western wood

Wall Construction: Insulated tongue-and-groove

Glass: 8 mm tempered safety glass

Dual electrical requirements support the FD-5 XL’s independent infrared and traditional heating systems.

Infrared System: 240V / 15A

Infrared Connection: NEMA 6-15P outlet

Traditional Heater: 240V / Single Phase

Traditional Heater Circuit: 20A breaker

Installation: Licensed electrician required for traditional heater connection

Heating Type: Hybrid Traditional + Full-Spectrum Infrared

Traditional Heater: Harvia Electric Heater

Infrared Technology: Finnmark Spectrum Plus™

Infrared Output: 3,150 W

Operation: Traditional and infrared sauna technologies within one cabin

Control Interface: Built-in LCD touchscreen

Lighting Control: Integrated touchscreen control

Audio: Bluetooth connectivity

Speakers: Dual 6" HiFi speakers

Entertainment: Wireless audio streaming

Control: Digital touchscreen control

Heating Control: Independent control of sauna functions

Interface: Integrated cabin controls

Ventilation Type: Passive Air Ventilation

Fresh-Air Intake: Located near the traditional sauna heater

Exhaust Vent: Roof-mounted exhaust vent

Additional Ventilation: Sauna door may be opened for increased airflow and cooling

Application: Indoor residential installation

Construction: Prefabricated sauna cabin

Assembly: Professional on-site assembly recommended

Electrical: Licensed electrical connection required

Spectrum Plus™ Heaters: Lifetime Warranty

Carbon Heaters: 10 Years

Craftsmanship: 10 Years

Electrical Components: 10 Years

Audio Components: 10 Years

Harvia Traditional Heater: 2 Years Residential

Infrared Heaters: UL Listed

Interior: Routine cleaning of benches and interior wood surfaces

Glass: Standard glass cleaning as needed

Traditional Heater: Periodic inspection/repositioning of sauna stones

Infrared System: Minimal routine maintenance