2-Person Home Sauna with Infrared & Traditional Heat 48"W x 48"D x 78"H
The Trinity Combination Sauna is the only sauna available that combines Finnmark’s UL listed Spectrum Plus infrared heaters combined with a Harvia Vega 120V traditional heater, plus true medical grade red light therapy.

Eco-Friendly and Efficient Design:
No need to compromise. Finnmark’s FD-4 Trinity is the only combination sauna with true UL listed infrared heaters together with a traditional sauna heater. Get all the benefits of infrared combined with traditional rocks with steam.
Contemporary Amenities for an Enhanced Experience:
"Get hot fast! The only IR heaters that have passed the rigorous tests from Underwriter Laboratories used in tandem with a traditional steam sauna stove. Short wave far-infrared penetrates muscles, joints, and makes you sweat 25 times more than carbon panel heaters. The Harvia Vega traditional 1.9kW sauna heater lets you splash some water onto the rocks for a luxurious steam sauna experience. Reap the benefits and the intensity only offered by a steam sauna."
Red light therapy is a type of phototherapy that uses low-level light wavelengths to penetrate the skin and stimulate the production of collagen and other proteins, which can lead to numerous potential health benefits. It’s a perfect enhancement to your sauna wellness ritual.
Features
- Spectrum Plus™ UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters.
- Spectrum Red Light™ Therapy. 192 Diode medical grade LED panel capable of producing highly beneficial 650nm of red light therapy combined with chromotherapy for those days you need a little love.
- Antimicrobial Western Canadian cedar interior that protects against mold, bacteria, and fungus.
- Thermal Plus™ Aspen exterior that will never rot, warp, decay, or chip. Making FinnMark Design's full spectrum infrared saunas one of the healthiest and longest lasting saunas on the market.
- 3-IN-ONE Combination. Compromise no more. Introducing the only combination sauna with true UL listed infrared heaters combined with a traditional heater that produces high heat steam. Get all the benefits of infrared combined with traditional rocks with steam all while soaking in the benefits of a medical grade Red light therapy LED panel.
- Built-in LCD touchscreen controller with Bluetooth audio.
- Audio with 6" HiFi marine grade speakers, 8mm tempered glass for the ultimate thermal retention.
- Extra large two-tier bench system
- Low EMF sauna tested by a NASA award winning testing facility.
- High Emissivity infrared heaters
Harvia Vega Compact 1900:
- Wall-mounted design
- Stainless Steel construction
- 1.9kW
- For sauna rooms from 70 to 106 cu. ft.
- Requires a minimum of 29 lbs of sauna stones (1 Box-AC3000)
- Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply).
- Built-in controls
- Ergonomic operating switches
- Switches can be installed on the right or left side of the heater
- Designed, engineered, and made in Finland
- Dimensions: 11"W (279mm) x 11"D (279mm) x 21" (533mm)
- 2-Year Warranty (Consumer use)
- Manufacturer's Note: Sauna heater stones are significant to the unit's safety. In order for the warranty to remain valid, the user is responsible for proper maintenance.
Package Contents
- Bottom Panel
- Top Panel
- Back Panel
- Front Panel
- Left Panel
- Right Panel
- Glass Door
- Bench Support
- Bench Top
- Heater Cable
- Floor Cable
- Screws
- Power Supply Unit
- Power Cable
- Interior Heater Connections with Wood Cover
- Door Handle (2 Screws)
- Removable and adjustable sauna feet for uneven surfaces
- Infrared Sauna Heater Panels
- Spectrum LED near infrared ceiling lights combined with medical grade Spectrum Red Light therapy.
- Controller 2.0, built-in LCD touchscreen control panel with Bluetooth audio
- Audio upgrade with 6" HiFi speakers
- 8mm tempered glass for the ultimate thermal retention
- ETL Certification
- Limited Warranty
Specifications
| Model | FD-4 |
|---|---|
| External Materials | Thermo-Aspen |
| Interior Materials | Western Red Cedar |
| Volts | 120 |
| IR Watts | 1750 |
| Amperage | 15/20 |
| Plug Type | NEMA 5-15P |
| Outlet | Standard 120v 20a |
| Maximum Temperature | IR 170F - Traditional 190F |
| 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 Dimensions | 23.625"W x 68.875"H |
| Door Handle Dimensions | 1.5"W x 13.25"H |
| Glass Thickness | 8mm W/Gasket |
| Product Weight | 437 lbs |
| Shipping Dimensions | 36"W x 80"D |
| Shipping Weight | 485 lbs W/48 lb Pallet |
Resources
My Sauna Home offers Free Shipping on all orders delivered within the United States. There are no minimum purchase requirements or hidden delivery fees applied at checkout.
1. Shipping Destinations & Costs
We currently ship exclusively to addresses within the United States.
Shipping Fee: $0.00 (Standard Shipping)
Service Area: All 50 U.S. States.
International Shipping: We do not offer shipping to international destinations at this time.
2. Delivery Timeline
To determine your estimated delivery date, please refer to the processing and transit schedule below:
Order Cutoff Time: 5:00 PM (EST)
Order Handling Time: 1–2 Business Days (Monday – Friday)
Transit Time: 3–4 Business Days (Monday – Friday)
Total Estimated Delivery : 4–6 Business Days
Note on Processing: Orders submitted after the 5:00 PM (EST) cutoff will begin the handling process on the following business day. Please note that we do not process or ship orders on weekends or federal holidays.
3. Carrier Services
Orders are dispatched via tracked services from the following carriers:
Freight Carriers: For larger sauna units and equipment.
UPS / FedEx / USPS: For smaller sauna accessories and products.
4. Order Tracking
Once your order is dispatched, a confirmation email will be sent to the address provided during checkout. This email contains a tracking number and a link to our tracking page to monitor your delivery status.
5. Delivery Support
If your tracking information has not updated for more than three business days, or if you experience a delay beyond the estimated delivery window, please contact us at Help@mysaunahome.com. We will coordinate with the carrier to provide a status update or resolution.
At My Sauna Home, we want you to be satisfied with your purchase. If you are not fully happy with your order, we provide a simple return process to assist you.
30 Day Return Period
You may return a sauna product within 30 days from the date you receive your order. To be eligible, items must be unused, in their original condition, and include all original packaging, tags, and accessories. Our support team is available to guide you through each step of the return process.
Restocking Fee: $0 – We do not charge any restocking fees for returns.
Return Policy Summary
Return period: 30 days from delivery
Condition: Items must be unused and returned in original packaging with all included items
Support: Assistance is available throughout the return process
Restocking fee: None
Return Shipping Costs
Defective or Incorrect Items
If you receive a sauna product that is damaged, defective, or not what you ordered, we will cover the return shipping cost.
Customer-Initiated Returns
If you wish to return an item for personal reasons, such as a change of mind or ordering the wrong sauna product, you are responsible for the return shipping cost. Original shipping charges are not refundable.
How to Start a Return
Contact Us
Email Help@mysaunahome.com with your order number and the reason for your return request.
Prepare Your Package
Place the item securely in its original packaging, including all accessories and documents.
Send Your Return
Follow the instructions provided after your return request is approved.
Refund Process
Inspection: All returned items are reviewed once received to confirm they meet the return requirements.
Refund Timing: After approval, refunds are issued to the original payment method. Please allow up to 7 business days for the refund to appear, depending on your payment provider.
Exchanges
If you would like to exchange a sauna product, please contact us at Help@mysaunahome.com, and we will assist you with the process.
Need Help?
For additional information, please visit our FAQ Page or contact our customer support team.
Have a question or looking for the right sauna? We’re here to help.
At My Sauna Home, we provide high-quality sauna solutions and direct customer support. Whether you need technical specifications for our saunas, shipping updates, or a product recommendation for your home, our team is ready to assist you.