Finnmark FD-4 Trinity Infrared & Steam Sauna Combo 2-Person Home Sauna
- Free USA Shipping On Many Items
- Full Warranty
- Secure Checkout
- Authorized Dealer
Due to high demand, Finnmark FD Series Infrared Saunas are currently backordered until approximately August 28.
The good news: We are still accepting orders, and inventory is expected to move quickly once restocked.
✔ Secure your unit now to reserve priority fulfillment
✔ Orders will ship in the order they are received
✔ No need to wait until inventory returns and risk missing out
Questions? Contact our team anytime — we’re happy to help you plan your setup.
The Finnmark FD-4 Trinity Combination Sauna is a premium hybrid home sauna that combines full spectrum infrared, a Harvia Vega Compact 1900 traditional sauna heater, and medical-grade red light therapy in one advanced wellness system. Designed for buyers who want the flexibility of infrared and traditional sauna sessions in a single unit, the FD-4 delivers a versatile 3-in-1 home sauna experience in a more compact footprint.
Inside you’ll find an antimicrobial Western Canadian Cedar interior; outside, a durable Thermal Plus™ Aspen exterior, along with tempered glass, Bluetooth audio, chromotherapy lighting, and Wi-Fi touchscreen control for a modern, customizable setup. For customers comparing the Finnmark FD-4 sauna to other premium home sauna options, this model stands out for its multi-mode design, smaller power draw, and space-conscious layout.
Helpful sauna planning resources: Learn more about choosing the right sauna and preparing your space before you buy.
Reserve your sauna now: With the current backorder window, placing your order now is the best way to secure incoming inventory before it is spoken for. High-demand Finnmark models can move quickly once they become available again.
Need a premium indoor sauna sooner? If you do not want to wait until approximately August 28, the closest currently available alternative is our SunRay Roslyn 4-Person Infrared Cedar Sauna. It offers a premium indoor sauna experience with Canadian red cedar construction, spacious shared-use seating, and faster availability for customers who want to move forward now instead of waiting for the next Finnmark shipment.
Want help deciding? Contact us and we’ll help you compare waiting for the FD-4 versus choosing the closest available option now.
Key Features
- 3-in-1 system: Full-spectrum infrared + traditional steam (Harvia Vega Compact 1900, 1.9 kW) + medical-grade red light therapy.
- UL-listed Spectrum Plus™ infrared: Short-wave panels for fast, deep, efficient warmth; low EMF tested.
- Spectrum Red Light™ panel: 192 medical-grade LEDs at 650 nm for targeted light therapy.
- Premium craftsmanship: Antimicrobial Western Canadian Cedar interior and Thermal Plus™ Aspen exterior.
- Smart controls: LCD Wi-Fi touchscreen with Bluetooth audio and chromotherapy lighting.
- Comfort: Two-tier benching with ergonomic seating and an 8 mm tempered thermal glass door.
- Certified low EMF: Independently tested with UL / ETL safety listings.
Who This Sauna Is Best For
- Homeowners wanting a hybrid sauna: A strong fit for buyers who want both infrared and traditional sauna functionality in one system.
- Smaller wellness rooms and home gyms: Ideal for premium indoor spaces where flexibility matters but footprint and power needs still matter too.
- Recovery-focused users: A compelling option for customers building a home wellness routine that includes heat therapy, contrast therapy, and red light therapy.
- Buyers comparing premium sauna brands: Well-suited for shoppers evaluating higher-end home sauna options and looking for more than a standard infrared-only model.
Explore related sauna collections:
Specifications
| Spec | Detail |
|---|---|
| Model | Finnmark FD-4 Trinity Combination Sauna |
| System Type | Infrared + Steam + Red Light (3-in-1) |
| Interior Material | Antimicrobial Western Canadian Cedar |
| Exterior Material | Thermal Plus™ Aspen |
| Infrared | Spectrum Plus™ panels (UL-listed, low EMF) |
| Traditional Heater | Harvia Vega Compact 1900 (1.9 kW) |
| Red Light | 192 medical-grade LEDs at 650 nm |
| Controls & Audio | Wi-Fi touchscreen; Bluetooth Hi-Fi |
| Lighting | LED chromotherapy lighting |
| Door/Glass | 8 mm tempered thermal glass |
| Bench Design | Two-tier ergonomic benching |
| Certifications | UL / ETL listed; low-EMF |
| Warranty | 2-Year Manufacturer Warranty |
Electrical Requirements
| Circuit | Detail |
|---|---|
| Traditional Heater | Harvia Vega Compact 1900, 1.9 kW — verify voltage (120–240 V) and breaker sizing per installation manual and local code. Dedicated circuit required. |
| IR / Controls | Typically a dedicated 120 V circuit for infrared panels, controls, and lighting. Refer to the installation manual for your configuration. Licensed electrician recommended. |
What’s Included
- Pre-assembled wall and ceiling panels
- Spectrum Plus™ infrared heater panels
- Spectrum Red Light™ therapy panel (192 diodes)
- Harvia Vega Compact 1900 traditional heater (1.9 kW)
- 1 box Harvia AC3000 sauna stones (approximately 29 lb)
- 8 mm tempered glass door with handle and hinges
- LCD Wi-Fi touchscreen controller with Bluetooth audio
- LED ceiling lights with chromotherapy
- Power supply unit, heater and floor cables, and screws
- Interior heater guards and door hardware
What Makes This Different
Why Choose the Finnmark FD-4
Compared to standard infrared saunas, the Finnmark FD-4 Trinity Combination Sauna offers a more flexible home wellness experience by combining multiple heat modalities in one system. That means users can enjoy infrared sessions for lower-temperature comfort, traditional sauna sessions for a more classic high-heat environment, and red light use as part of a broader recovery-focused routine.
This versatility makes the FD-4 a compelling option for buyers who want a premium hybrid sauna for home use but prefer a more compact footprint and lower-output traditional heater than larger combination models.
Compare at a Glance
| Feature | FD-4 Trinity (This Page) | FD-5 Trinity | FD-3 Infrared |
|---|---|---|---|
| Modalities | Infrared + Steam + Red Light | Infrared + Steam + Red Light | Infrared + Red Light |
| Traditional Heater | Harvia Vega Compact 1.9 kW | Harvia KIP 4.5 kW | — |
| Infrared System | Spectrum Plus™ (UL-listed) | Spectrum Plus™ (UL-listed) | Hybrid: Spectrum Plus™ + Carbon 360° |
| Red Light | 192 diodes @ 650 nm | 192 diodes @ 650 nm | Integrated ceiling LEDs |
| Controls / Audio | Wi-Fi touchscreen; Bluetooth Hi-Fi | Wi-Fi touchscreen; Bluetooth Hi-Fi | Wi-Fi touchscreen; Bluetooth Hi-Fi |
Specs reflect current model pages; verify details on each product page.
Compare other models: Shop Finnmark Saunas • Browse All Home Saunas
Site Prep & Installation
- Electrical: Use dedicated circuits for the Harvia 1.9 kW heater and the IR/control system. Follow the installation manual and local code; licensed electrician recommended.
- Foundation: Solid, level indoor surface (tile, vinyl, sealed wood, or low-pile carpet).
- Access: Ensure doorway and pathway clearance; two-person assembly recommended.
- Ventilation: Standard room ventilation is sufficient. Keep away from direct water sources.
Need help planning your installation? Review our guides for sizing, prep, and what to expect before delivery and assembly.
Support, Warranty, and Buying Confidence
When shopping for a premium sauna, product details matter, but so does support before and after the sale. At My Luxury Home Spa, we help customers compare models, understand installation requirements, and choose the right sauna for their space and goals.
The FD-4 is backed by manufacturer warranty coverage and supported by product documents, installation manuals, and model-specific resources. If you have questions before ordering, our team can help you evaluate fit, access, electrical needs, and overall readiness for delivery.
Estimated Running Costs
| Mode | Typical Range | Notes |
|---|---|---|
| Infrared sessions | ≈ $0.10–$0.40/day | 10–15 min preheat; 25–40 min sessions, 3–5×/week depending on usage and local rates. |
| Traditional steam | ≈ $0.20–$0.60/day | 1.9 kW heater; actual cost depends on setpoint, session length, and local electricity pricing. |
Shipping & Delivery
- Insured LTL freight with a scheduled delivery window
- Typical freight transit after processing: 7–14 business days (location dependent)
- Ships as labeled, ready-to-assemble panels for two-person installation
Tight access or stairs? Contact us before checkout.
Pairs Well With
For customers building a more complete home wellness setup, the Finnmark FD-4 pairs especially well with complementary recovery and relaxation categories. Many buyers combine a premium sauna with cold exposure, massage, or other home spa upgrades to create a more personalized wellness environment.
FAQs
What makes FD-4 different from FD-5?
Do I need plumbing for steam?
Is EMF low with the infrared panels?
Is the Finnmark FD-4 a good choice for a home wellness room?
Why order now if the sauna is backordered?
Specifications Sheet • Installation and Operation Manual • Wi-Fi Control Manual • Dimensions Diagram • Warranty
Why Buy From Us
FAQs
Shipping & Delivery
Free shipping available on select orders. White-glove delivery and setup can be arranged at an additional cost in most areas. We'll confirm your preferred date after purchase.
Warranty
Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.
Returns
New, uninstalled items can be returned within the brand's policy window. We'll help coordinate pickup and any restocking requirements.
Installation & Power
Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.
