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Not sure which one? See all Finnmark saunas ranked by capacity, price, brand and type in one chart.
BUYING GUIDE
New to infrared? Start here.
Near vs far infrared, full-spectrum vs traditional, sizing, power and price — our complete guide walks every decision, with honest picks at each budget.

Finnmark Design · FD-5 Trinity XL
Infrared, Steam & Red Light — In One Cabin
This is the FD-5 Trinity XL, Finnmark’s flagship four-person combination sauna and the exact model pictured here. It’s the only sauna that pairs UL-listed Spectrum Plus full-spectrum infrared panels with a traditional 4.5kW rock heater — so you can sweat deep with low-EMF infrared, then splash water over vulcanite stones for an authentic Finnish steam löyly. Add true medical-grade red-light therapy, chromotherapy lighting and premium tempered glass in a hand-finished cedar cabin, and you get every heat therapy in a single footprint. Get hot fast, recover harder, and never compromise.
Buy the FD-5 Trinity XL — $8,995Good to Know
Frequently Asked Questions
What types of saunas does Finnmark make?
Full-spectrum infrared cabins (1, 2 and 4-person), the Trinity hybrid series that combines infrared with a traditional steam heater, and outdoor barrel saunas in Canadian cedar and thermo-aspen.
What is full-spectrum infrared?
A blend of near, mid and far infrared produced by carbon and ceramic emitters. It warms your body directly for a deep sweat at a more comfortable, lower air temperature than a traditional sauna.
What is the Trinity hybrid sauna?
Trinity models give you both worlds — full-spectrum infrared panels plus a traditional electric rock heater for high-temperature steam bathing — in a single cabin.
Are Finnmark saunas low-EMF?
Yes. Finnmark infrared emitters are engineered to be low-EMF and low-ELF, and most models include chromotherapy (color-light) lighting.
Are these for indoors or outdoors?
The infrared and Trinity cabins are designed for indoor installation. The barrel combos are built for the backyard in weather-resistant Canadian cedar or thermo-aspen.
What electrical setup do they need?
Many Finnmark infrared cabins plug into a standard 120V household outlet; larger and hybrid models may require a dedicated 120V/20A or 240V circuit. Each product page lists the exact requirement.
What about shipping and warranty?
Freight within the contiguous U.S. with curbside delivery. Each Finnmark sauna carries the manufacturer's limited warranty — contact info@saunacompanyusa.com with any questions before you buy.
Find Your Finnmark Sauna
Browse the full Finnmark range across infrared, hybrid and outdoor barrel saunas.
FD-1, FD-2, FD-3 - Full-Spectrum IR
Indoor Infrared Saunas
Indoor cabins. Infrared heats core at 110-140F. Prices before freight.
$4,695
$5,995
$6,495
Full-Spectrum Infrared
Full-Spectrum Infrared
Full-Spectrum IR plus LED
1-2 persons
2-3 persons
3-4 persons
Western Canadian Cedar
Western Canadian Cedar
Western Canadian Cedar
Spectrum Plus Near and Mid-Wave IR
Spectrum Plus Near and Mid-Wave IR
Spectrum Plus IR and Spectrum LED Lights
DIY Kit
DIY Kit
DIY Kit
FD-4 and FD-5 Trinity - FD-6 and FD-7 Outdoor Barrel
Combo and Outdoor Barrel Saunas
FD-6 Cedar barrel also available ($9,995). FD-4/5: indoor combos. FD-6/7: outdoor barrels. Prices before freight.
$7,795
$8,995
$9,495
IR plus Traditional Steam
IR plus Traditional XL
IR plus Traditional Barrel
3-4 persons
4-5 persons
4-5 persons
Western Canadian Cedar
Western Canadian Cedar
Thermo-Aspen
Spectrum Plus IR and electric steam heater (both incl.)
Spectrum Plus IR and electric steam heater (both incl.)
Spectrum Plus IR and electric heater
DIY Kit
DIY Kit
DIY Kit
About Finnmark Saunas
Our Finnmark Saunas collection brings together genuine, authorized-dealer saunas from the brands we carry. Whether you are outfitting a backyard, a home gym, or a spare room, this page helps you compare saunas side by side and choose the right fit for your space and budget. Every item ships with a manufacturer warranty and support from our team.
Buyer's Guide
How to Choose a Finnmark Sauna
A quick guide to picking the right option from our Finnmark Saunas collection.
Pick your capacity
Decide how many people you want to seat regularly, then allow clearance around the cabin for access and, outdoors, drainage.
Traditional vs infrared
Traditional saunas use a heater and stones for high-heat steam; infrared saunas use panels that warm the body at lower air temperatures.
Indoor vs outdoor
Outdoor saunas are weather-built for backyards; indoor saunas are sized for a spare room, basement, or home gym.
Materials and heater
Consider the wood species and whether a heater is included or selected separately.
Finnmark Saunas Buying Guide
The best sauna for you comes down to size, heat type, and where it will live. Use the comparisons on this page to weigh capacity, materials, and features, and reach out any time — our specialists help match the right sauna to your space, climate, and budget, with honest guidance and no pressure.
Finnmark Saunas - Frequently Asked Questions
How do I choose the right size sauna?
Start with how many people you want to seat, then confirm your space allows clearance on all sides. Our team can recommend a model for your space.
What's the difference between traditional and infrared?
Traditional saunas heat the air with a heater and stones for steam; infrared saunas use panels to warm you directly at lower air temperatures.
Do these saunas include a heater?
It depends on the model — some include a heater, others let you choose one. Each product page lists what's included.
What electrical hookup is needed?
Most saunas connect to a dedicated circuit; voltage and amperage vary by model and should be wired per local codes.
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