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Experience the ultimate in home wellness with the Auraheats FD-4 Trinity Combination Sauna—an innovative 3-in-1 unit that blends UL-listed infrared heaters, a Harvia Vega traditional heater, and medical-grade red light therapy. A compact yet powerful sauna designed for two.

Sustainable, Plug-and-Play Design
The Auraheats FD-4 is the only sauna in its class offering a full combination of infrared and traditional heating powered by a standard 120V outlet—no electrician needed. Designed with antimicrobial Western Canadian cedar interior and a Thermo-Aspen exterior, this sauna is built to last without compromising on health or aesthetics.
Advanced Therapy, Unmatched Performance
Enjoy short-wave infrared heat that penetrates 25x deeper than standard panels, plus a Harvia Vega 1.9kW traditional sauna heater for authentic steam. Add in Spectrum Red Light™ Therapy (650nm wavelength) to support collagen production, healing, and skin health, elevating your sauna ritual with medical-grade technology.
Top-Tier Features & Comfort
- UL Listed Spectrum Plus™ short wave infrared heaters for deep muscle penetration
- Spectrum Red Light™ Therapy panel with 192 medical-grade LEDs (650nm)
- Infrared ceiling lights combined with chromotherapy
- Thermal Plus™ Aspen exterior and antimicrobial Western Canadian cedar interior
- Built-in LCD touchscreen control panel with Bluetooth connectivity
- High-fidelity 6" marine-grade speakers for immersive sound
- 8mm tempered glass door with gasket for heat retention
- Ergonomic two-tier bench system for optimal comfort
- Low EMF certification by NASA-award-winning testing facility
- High Emissivity infrared heaters for superior heating efficiency
Harvia Vega Compact 1900 Heater Specs
- Wall-mounted with stainless steel body
- Power Output: 1.9kW
- Ideal for rooms between 70–106 cu. ft.
- Uses 29+ lbs of natural sauna stones (Box AC3000)
- Customizable ergonomic switches (right or left side)
- Made in Finland
- Dimensions: 11"W x 11"D x 21"H (279mm x 279mm x 533mm)
- 2-Year Warranty for residential use
- Proper stone maintenance required for valid warranty
What’s Included
- All wall panels (Top, Bottom, Front, Back, Left, Right)
- Glass door with handle & gasket
- Two-tier bench support and bench top
- Infrared sauna heater panels
- Red light therapy panel + ceiling chromotherapy lights
- LCD touchscreen control unit with Bluetooth
- HiFi 6" marine-grade speakers
- Heater cable, floor cable, power cable, PSU
- Interior heater wood cover, screws, and mounting hardware
- Removable/adjustable sauna feet for uneven floors
- ETL Certification & Limited Warranty
Specifications
Model | FD-4 |
---|---|
Exterior Material | Thermo-Aspen |
Interior Material | Western Red Cedar |
Voltage | 120V |
Infrared Power | 1750W |
Amperage | 15/20A |
Plug Type | NEMA 5-15P |
Outlet Requirement | 120V / 15A |
Max Temperature | Infrared: 170°F | Traditional: 190°F |
Interior Dimensions | 44"W x 45"D x 75"H |
Exterior Dimensions | 48"W x 48"D x 83"H |
Room Volume | 86 cu. ft. |
Door Size | 23.625"W x 68.875"H |
Handle Size | 1.5"W x 13.25"H |
Glass Thickness | 8mm (with gasket) |
Product Weight | 437 lbs |
Shipping Dimensions | 36"W x 80"D |
Shipping Weight | 485 lbs (includes 48 lb pallet) |