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FD-4 Trinity Infra-Steam Sauna 1 / 10
Finnmark Designs

FD-4 Trinity Infra-Steam Sauna

1-personCedarFinnmark Designs
$6,899
In stock · Processed in 1–5 business days
  • Free shippingUS, Canada & Europe
  • 14-day returnsRefunds within 30 days
  • Pay by invoiceBank transfer, 3 days to pay
  • WarrantyCovered by the manufacturer

Estimated delivery . Shipping · Returns · Warranty

Questions? Talk to a sauna specialist: +1 (408) 320-0181

About this product

Discover the perfect synergy of wellness technology with our premium 1-person hybrid sauna. Designed for those who refuse to compromise, this unit seamlessly integrates high-performance infrared heaters with a traditional electric stove for an authentic steam sauna experience.

The Ultimate Hybrid Sauna Experience

Why choose between infrared and traditional steam when you can have both?

Premium Design and Construction

This hybrid sauna is built to last, featuring an antimicrobial Western Canadian cedar interior that naturally resists moisture, ensuring a fresh environment for every use. The exterior is finished in thermally modified thermo-aspen, providing exceptional durability against warping and environmental changes.

Key Features and Specifications

  • Capacity: 1 person with two-tier bench system
  • Hybrid Heating: High-efficiency infrared panels and 1.9kW traditional steam stove
  • Electrical: Standard 120V, 15A outlet (NEMA 5-15P)
  • Materials: Western Canadian Cedar interior and Thermo-Aspen exterior
  • Door: 8mm thick tempered safety glass
  • Total Power: 1750 Watts
  • Internal Volume: 86 cubic feet
  • Total Weight: 437 lbs

Experience the pinnacle of home relaxation with a hybrid sauna that delivers unmatched versatility and comfort.

Specifications

ModelFD-4
External MaterialsThermo-Aspen
Interior MaterialsWestern Canadian Cedar
Volts120
Watts1750
Amperage15
PhaseSingle
Plug TypeNEMA 5-15P
Outlet120V 15A
Maximum TemperatureIR 170°F (76.7°C) / Traditional 190°F (87.8°C)
Interior Dimensions44.5"W (113 cm) x 45.1"D (114.6 cm) x 75.2"H (191 cm)
Exterior Dimensions48.8"W (124 cm) x 48.8"D (124 cm) x 83.1"H (211.1 cm)
Room Volume86 cu. ft. (8 cu.m.)
Door Dimensions23.63"W (60 cm) x 68.88"H (175 cm)
Bench Upper Dimensions44.5"W (113 cm) x 18.9"D (48 cm)
Bench Lower Dimensions44.5"W (113 cm) x 15.7"D (39.9 cm)
Glass Thickness8mm
Product Weight437 lbs (198.2 kg)
Shipping Dimensions80"W (203.2 cm) x 40"D (101.6 cm) x 58"H (147.3 cm)
Shipping Weight618 lbs (280.3 kg)
Kilowatt Rating (KW)1.9kW
Primary FuelElectric
Minimum Adjusted Cubic Feet70
Maximum Adjusted Cubic Feet106
Voltage120V
Nominal Amps15.9 Amps
Heater Weight15.4 lbs
Shipping Weight with Sauna Stones59.4 lbs
Width In Inches11" (279mm)
Depth In Inches11" (279mm)
Height In Inches21" (533mm)

Shipping, payment & returns

  1. 1Place your orderChoose bank transfer at checkout. Your invoice and bank details appear instantly and are emailed to you.
  2. 2Pay within 3 daysACH or domestic wire in the US, international wire in USD or another currency. Unpaid orders cancel automatically.
  3. 3We process and shipProcessing takes 1–5 business days after payment, then delivery takes 7–12 business days. Shipping is free.

Import duties, VAT and customs fees outside the US, where applicable, are the recipient’s responsibility. Return requests within 14 days of delivery; approved refunds within 30 days. Optional shipping protection ($99) is available at checkout. See the shipping and return policies.

Frequently asked

What are the dimensions and capacity of this hybrid sauna?

This sauna is designed for 1 person with an exterior footprint of 48.8 inches wide by 48.8 inches deep and 83.1 inches high. It features a comfortable two-tier interior bench for a luxurious seating experience.

Does this sauna require special electrical work?

No, this unit is designed for convenience and operates on a standard 120V power supply with a 15A amperage requirement. It features a standard NEMA 5-15P plug, making it simple to integrate into your home.

How do I maintain the cedar interior and aspen exterior?

To maintain the wood, simply wipe down the interior cedar benches with a damp cloth after use to manage perspiration. Keep the exterior thermo-aspen clean and dry, and ensure the sauna is kept in an indoor, climate-controlled environment.

Complete your setup

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