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    2026 Saunum Air Perfect Air Blending Sauna Heater Package

    Price range: $5,210.00 through $5,410.00
    7 KW
    10 KW

    If you like to suffer, this is NOT your heater.  Saunum Air Perfect is an elegant climate equalizing sauna heater that pulls the best air from the core of the heater between two layers of rocks and blends it with fresh air before distributing it at floor level.  It pulls off the famous Saunum equalization in a more elegant way, without the chimney.  With an easy access panel, and prewired leads installing a Saunum heater has never been easier.

    The patented air mixing system ensures exceptional heat that is soft, long, and evenly distributed throughout the sauna room.  If you know anyone who thinks they don’t like the sauna, this will win them over.  The Saunum Air Perfect is proudly available through your Sauna Marketplace.

    Select options This product has multiple variants. The options may be chosen on the product page

    Auroom Baia Glass – Indoor Sauna Kit With Floor

    $9,490.00

    One of our most popular indoor sauna kits is now available with a glass front! The wavy bench is comfortable and sturdy for anyone up to 6’5″, but it also allows you to experience even temperatures and rolling humidity from head to toe. The Auroom Baia is a world-class sauna experience like no other.

    Auroom Mira L Outdoor Sauna Kit

    Price range: $22,990.00 through $23,990.00

    The Auroom Mira L is a modern sauna with a mass timber core for extraordinary thermal mass that radiates from every surface. We call it ‘surround-sound heat’.  Thermory exterior. Furniture-grade thermo‑aspen interior.  You simply can’t buy a better performing sauna kit in North America.  Experience the deep heat making this Europe’s most popular garden sauna, from the Sauna Marketplace team who have built and owned them at home.  No one knows the Mira better.

    Select options This product has multiple variants. The options may be chosen on the product page

    SaunaLife CL5G | Outdoor 4-Person Icon Cube Sauna with Panoramic Window

    $5,990.00

    The SaunaLife CL5G is a 4-person outdoor sauna kit with an interior height of 6’2″ and 6’3″ of bench length for laying down in the steam zone. The lower bench extends all the way across both walls for plenty of seating options and easy movement.

    It’s our best-selling outdoor sauna kit. Like all SaunaLife Cubes, it’s built to last a lifetime with thick (1.7″) thermally modified Nordic Spruce that lasts 1.5 times longer than Western Red Cedar, and won’t expand and contract itself apart (wood samples available upon request). The CL5G has a double layer shingle roof with drip edges to keep water away. It has an upper bench, proper drains and vents for performance. For style and comfort the CL5G has ergonomic clear thermo-aspen backrest and benches with integrated lighting.

    No one knows the SaunaLife CL5G better than Sauna Marketplace.  See our build video below, and get supplemental materials and support with your purchase to make the installation as smooth as possible.

    ETA: First week of March

    SaunaLife Model CL3G

    $3,990.00

    Maximize your space and budget with the best value 1-2 person sauna we’ve seen.  The SaunaLife CL3G is an outdoor sauna kit (also great in garages) with efficient layout and everything you’d expect from a long-lasting SaunaLife Cube: a shingle double layer roof, thermally modified wood, drains, LED lighting, and ventilation.  The CL3G makes a great sauna achievable for nearly any space and budget.

    Auroom Garda Prebuilt Sauna

    Price range: $29,900.00 through $29,990.00

    Driven by simplicity and functionality, the Auroom Garda is a prebuilt, compact and stylish outdoor sauna for residential use. For those that want a more classic sauna layout with modest windows, insulated walls, and privacy. Available in two exterior finished and two layouts to get the view just right.

    The Garda is made of CLT (Cross-Laminated Timber) construction. CLT is a novel massive wood product, renowned for it’s exceptional stability and rigidity as well as sustainability.

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    Thermory  Medium Squares With Terrace and L-Bench — Models No 42 With Window & No 43

    Price range: $8,372.00 through $9,010.00

    Extend your entertainment area with the ultimate relaxation destination. Thermory 40 Series “Medium” squares can bathe two to four people in heat and steam. Customize yours with an extra-wide window. Plus, all Thermory models come with a rain jacket for all-weather protection.

    Select options This product has multiple variants. The options may be chosen on the product page

    Haljas Hele Nano Prebuilt 2-Person Sauna

    $13,990.00

    Do you have big dreams for a small space? With the Haljas Hele Nano, you’ll get that full sauna experience in a tiny footprint. A footprint that leaves room for the cold plunge, outdoor shower, recovery area, and whatever else makes it yours.

    The best part is this premium indoor/outdoor sauna arrives fully assembled and can be enjoyed the same day (Trim and Hardware must be installed onsite).  That means the furniture grade thermo-alder interior will be perfect, expertly crafted and assembled by sauna experts in Northern Europe.

    Change your mind and want to move the sauna to another location on your property? A pallet jack is all you need.  Like all Haljas saunas, their mirrored glass doesn’t require you to choose between privacy and full glass views. You can have it all, in the smallest footprint without giving up a thing.

    SaunaLife Model G11 Outdoor “HOBBIT” Pod Sauna with Changing Room

    $14,990.00

    The SaunaLife G11 is an enchanting two-room sauna that’s versatile to your life.  Use the traditional changing room as a cold plunge room, yoga room, office, or all of the above.  The G11 Hobbit Sauna adapts to your needs.

    The hot room features an upper L-Bench layout with rolling ceiling and ventilation for the best sauna performance. Pair it with a wood stove or electric heater with Wi-Fi capability.  The heater area has built in heat shields for safety and to maximize the space.

    The exterior features thermally modified wood that lasts longer than cedar, a full shingle roof kit, and a porch with a seating area for your third useful space.  You and your guests will love this long-lasting sauna.

    Saunum Air L Stainless – Heat-Equalizing Sauna Heater with Himalayan Salt

    Price range: $3,595.00 through $3,995.00
    10 KW
    13 KW
    15 KW

    The Stainless Steel Saunum Air L solves the most common sauna complaint: extreme temperature variation that forces you to choose between scorching heat or inadequate warmth, delivering instead an even, oxygen-rich environment from floor to ceiling.

    Developed through scientific research with Tallinn University of Technology, Saunum’s patented air-blending system delivers the perfect sauna experience—gentle, long-lasting steam with consistent temperature that lets you enjoy longer sessions without discomfort.

    Built to exacting standards with premium stainless steel, a massive 198-pound stone capacity, and integrated Himalayan salt therapy, the UL-certified Saunum Air L represents a true investment in your wellness routine and overall sauna enjoyment.

    Select options This product has multiple variants. The options may be chosen on the product page

    HUUM CORE Electric Sauna Heater with Wood Exterior | Thermo-Aspen, Aspen, or Alder

    Price range: $2,820.00 through $3,075.00
    6.5
    9 KW
    10.5 KW

    The HUUM CORE Sauna Heater offers flexibility and style, featuring beautiful Thermo-Aspen wood exterior panels for a premium appearance. This elegant and powerful unit is engineered for sauna rooms up to 566 cubic feet (CF).

    Select options This product has multiple variants. The options may be chosen on the product page

    Auroom Cala Glass Mini 1-Person Indoor Sauna With Floor

    $7,190.00

    Who says you can’t get an authentic, safe, and refreshing sauna experience in a tight space?  The Auroom Cala Glass Mini Sauna Kit, the smallest sauna kit in our catalog, is the ultimate one-person, energy-efficient sauna.  The Glass Mini comes with two premium sauna wood finishes – aspen and Thermo-aspen, offering aesthetic flexibility to match your interior.  It features a functional full-glass front wall and door, and a DIY, modular design that makes assembly simple.

    Bring warmth and style to any space, with a Cala Glass Mini.

    SaunaLife EE8G Upper Bench Barrel Sauna

    $7,190.00

    Experience truly elevated heat and steam with the extra large SaunaLife EE8G barrel sauna kit.  Its remarkable 91″ in diameter and included flat floor creates an inspiring space for stretching out or enjoying the views without bumping knees with the person across from you.

    Upper benches mean your feet will rise above the cool floor and take comfort in ergonomic clear aspen benches, approximately 20 inches in depth to invite laying down.

    Like all SaunaLife barrel saunas, the thermalwood is sourced and milled in Northern Europe with thermally modified Nordic spruce that’s been treated with heat and steam. The result is a beautiful warm tone that lasts longer than cedar without expanding and contracting.

    The EE8G comes standard with a full glass front wall, extra thick 1.65″ staves, asphalt shingles, flat floor kit, and an LED light kit.  The SaunaLife EE8G may be the best performing, longest lasting, most spacious barrel sauna ever.

    ETA: End of March

    HUUM Hive Mini Electric Sauna Heater With Upgraded Air Tunnel

    Price range: $2,502.00 through $2,785.00
    6 KW
    9 KW
    10.5 KW

    The iconic HUUM HIVE Mini is a minimalist electric sauna heater that maximizes what makes a sauna enjoyable – soft heat and steam from evenly heated rocks.  HUUM HIVE is floor-mounted, perfect for gathering around and enjoying endless steam.

    This latest version, available now on Sauna Marketplace comes with a pre-installed air tunnel that make the heating elements last twice as long, while your sauna heats up 25% faster.  All HUUM Heaters are CE Certified and rated for 230°F (110c) for those who like it silly hot!  The Mini ranges in 6KW to 11KW to accomodate a wide range of sauna sizes.

    Select options This product has multiple variants. The options may be chosen on the product page

    Saunum AIR L – Professional Sauna Heater with Air Equalization and Himalayan Salt Therapy | 10KW 13KW 15KW

    Price range: $3,895.00 through $4,195.00
    10 L
    13 L
    15 L

    Saunum’s best performing sauna heater is here, with a lower rock basket, better clearances, and an overall more commercial grade heater than ever.  Buy a Saunum Air L Climate Equalizing sauna heater on Sauna Marketplace and get the latest version with a prewired power box and cable whip making connections easy.  You’ll also receive an external temperature sensor to give you more control over where it’s measured.

    If you’re not familiar with Saunum heaters, be ready to experience the most versatile, enjoyable sauna experience on the planet.  Saunum doesn’t just heat the space, but redistributes air to provide more even temperatures and more oxygen to whoever is lucky enough to be on the bench.  The massive stone capacity along with Saunum Air Blending technology provide a soft, long-lasting steam evenly distributed throughout your sauna.

    With Saunum, you’ll exit the sauna feeling rejuvenated, not depleted.  Whether you were born in the sauna or have never enjoyed them, there’s a Saunum preset that will win you over, we’re sure of it.

    Saunum Air is UL-approved for North America and ships daily out of greater Chicago.  At Sauna Marketplace, every Saunum heater comes with specially selected rocks paired by Saunum, Wi-Fi enabled AirIQ Controller, Himalayan salt spheres, External Temperature Sensor, US-based support, and the latest integrated power box for simplified installation.

    Select options This product has multiple variants. The options may be chosen on the product page

    SaunaLife CL12G | 8-Persons Outdoor Sauna With Changing Room and Porch

    $10,990.00

    The ultimate sauna experience requires more than a hot room.  The full heat up requires different areas for relaxing between sessions, changing, and storing the essentials.  The SaunaLife CL12G has it all.  The front terrace is a sheltered outdoor space to sit and chat.  The changing room is perfect for getting ready, storing sauna hats, and a barrier that keeps the good heat and steam from escaping.  For Northern climates, a changing room is highly recommended, but it always improves performance.  The hot room in the CL12G comfortably seats 8 with elevated thermo-aspen benches and backrests.  Light passes freely throughout the sauna with a panoramic back window, glass doors, and integrated lighting.  Contact Sauna Marketplace for air equalization optimizations.

    SaunaLife G6 Prebuilt Outdoor Sauna

    $24,900.00

    Yes, it really is that good in person!  Introducing the SaunaLife G6, also known as the ‘Saunum Classic’ in Europe. This completely prebuilt outdoor sauna creates a modern nordic retreat, with floor-to-ceiling windows that welcome the breathtaking beauty of your surroundings into your new daily ritual. Designed for those who appreciate the details – from materials to operation to performance.

    The G6 / Saunum Classic is steeped in the essence of Nordic design, characterized by its clean lines, functional elegance, and ‘built-to-last’ construction methods.  This sauna is ready for anything.  We recommend booking an appointment below to ensure a successful delivery, heater choice, and installation.

    Auroom Libera Glass – Indoor Sauna Kit With Floor Kit

    Price range: $15,490.00 through $21,890.00

    Auroom Libera Glass is an easy-to-install, fully-insulated indoor sauna kit for a lifetime of daily, healing heat and steam.  Designed with the talented Italian architect Luca Donazzolo, Libera comes in five standard sizes and your choice of the three most popular European sauna woods.  It can be custom ordered along with matching wood panels for a completely custom ‘built-in’ look on any project.  Libera is the indoor sauna of choice for designer homes and modern gyms.

    Select options This product has multiple variants. The options may be chosen on the product page

    HUUM Hive Electric Sauna Heater with Pre-Installed Air Tunnel

    Price range: $2,848.00 through $3,356.00
    12 KW
    15 KW
    18

    An absolute monster of a sauna heater that is unrivaled in steam.  Once the massive stone capacity heats up, the HUUM HIVE emits a warmth reminiscent of a traditional wood-fired sauna at a cottage in Northern Finland.  All that’s missing is the crack and glow of the flames.

    The full HUUM HIVE is larger in diameter than the Mini, and packs the most rocks of any heater on the market.  All HUUM Heaters are SGS/CE Certified and rated for 230°F for those who like it hot.

    At Sauna Marketplace, we sell the latest version of the HUUM HIVE which includes a preassembled air tunnel that is now required for warranty.  This upgraded HIVE speeds up sauna heating by 25% and extends the life span of heating elements.

    Coming in 12KW, 15KW, and 18KW sizes – this is a popular heater for large home saunas and commercial settings.

    Select options This product has multiple variants. The options may be chosen on the product page

    Dark Thermo-Alder Wall Paneling 1×4 STS4 – Intense Thermal Modification Sauna Wood by Thermory

    Price range: $4.25 through $249.90

    Thermal modification darkens wood, and intense thermal modification darkens wood even more.  It also takes the benefits of thermal modification to the next level.

    1×4 Dark Thermo-Alder is an exceptional sauna wall material that can be installed vertically or horizontally.  The natural brown tone provides a classic, upscale sauna look.  Thermally modified alder is one of the best-performing sauna woods, with a warm tone, unbeatable performance, and timeless appeal.  The minimal expansion and contraction of Dark Thermo-Alder allows for tight, seamless transitions without molding.

    Select options This product has multiple variants. The options may be chosen on the product page

    Auroom Cala Glass – Indoor Sauna Kit With Floor Kit

    Price range: $7,990.00 through $10,990.00

    Step into a European crafted high-end sauna for less than you’d expect. Breathe easy with naturally enhanced thermalwood, ventilation, and a preassembled wall assembly engineered to sauna standards that go ignored by most manufacturers. This easy-to-assemble home sauna is built to last a lifetime of daily use. And that’s a good thing, because you’ll actually want to use it day after day, year after year. Experience what makes the Auroom Cala Glass America’s most popular insulated sauna kit

    Select options This product has multiple variants. The options may be chosen on the product page

    Auroom Vulcana – Indoor Sauna Kit With Floor

    $15,900.00

    Add endless warmth and contrast to your life with the Auroom Vulcana Designer Sauna.  This sauna has premium features for durability and performance – like an aluminum base frame and a through-glass air intake vent.  Furniture-grade materials, precision manufacturing, and preinstalled conduit make it easy to come together in your home.

    HUUM Drop Electric Sauna Heater

    Price range: $1,334.00 through $1,751.00
    4.5 KW
    6 KW
    7.5 KW
    9 KW

    Water and heated stones are the essence of sauna.  Drawing inspiration from a single drop of water, the HUUM DROP is designed to elevate the beauty and performance of these core elements.  We think of HUUM DROP as a very functional piece of art, but it’s also been an award-winning heater in since 2013.

    And with the new heating element retainer, upgraded rocks, and integrated heat shields the HUUM DROP on Sauna Marketplace is better than ever.

    Select options This product has multiple variants. The options may be chosen on the product page

    Auroom Mira S Outdoor Sauna Kit

    Price range: $14,990.00 through $15,990.00

    Experience the best performing small, modern outdoor sauna kit on the market.  The Auroom Mira S is built with high-end materials, European sauna construction standards, and impeccable craftsmanship.  You’ll see no exposed fasteners, and experience no cold spots. Functional scandinavian minimalism is on full display here.

    From ventilation to insulation materials, the Mira S is the perfect blend of trusted sauna design principles, with modern building science.  We recommend scheduling a planning meeting below to ensure a smooth delivery.

    Select options This product has multiple variants. The options may be chosen on the product page

    Aspen Sauna Wall Cladding — STS4 — 1×5 — Plain Aspen (Not Thermally Modified)

    Price range: $5.08 through $304.80

    Premium plain Aspen wall cladding — STS4 profile — smooth, resin-free, and cool to the touch. Not thermally modified.

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    Aspen Sauna Bench Boards — SHP — 5/4×4 — Plain Aspen (Not Thermally Modified)

    Price range: $6.87 through $274.00

    Plain Aspen SHP bench boards—smooth, comfortable, and cool to the touch. Aspen’s pale grain resists splintering and resin. Not thermally modified.

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    SaunaLife GL6 Outdoor Sauna Kit — Garden Luxury Series

    $12,790.00

    Built for gatherings, the SaunaLife GL6 is a six-person outdoor sauna kit with 1.57″-thick thermally modified Nordic spruce walls. Its wrap-around porch with recessed LED eaves and bronze-tinted front glass and side door bring natural light and a stylish welcome. Inside, two tiers of satin-smooth benches follow your body’s contours while indirect LED lighting sets a relaxing mood. Delivered as a complete DIY kit with pre-cut boards and hardware, the GL6 assembles in about two days and offers a lifetime of sauna enjoyment.

    HUUM HIVE Wood

    Price range: $2,150.00 through $2,618.00
    13
    17
    17 LS

    The rocks take center stage with the HUUM HIVE Wood.  Fusing substantial thermal mass with a sleek design, these stoves offer an impressive thermal mass for long-lasting, gentle heat and abundant steam. Whether choosing a model with inside or outside wood feeding, the HIVE Wood Series upholds HUUM’s commitment to quality and durability in any sauna.

    FOR HUUM HIVE ELECTRIC, CLICK HERE

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    Saunum AIR Closed Basket Climate Equalizing Sauna Heaters, Black | 5KW 7KW 10KW

    Price range: $4,565.00 through $4,975.00
    5 KW
    7 KW
    10 KW

    Experience the sauna as it was meant to be -a rejuvenating ritual that leaves you feeling better than when you entered. Without combustion of a wood stove, American electric saunas tend to have stale, harsh heat settled at head height. This can cause dizziness, while leaving feet cold. If you’ve ever “endured” a sauna session, listen up.

    Saunum Air revolutionizes the experience by blending the hottest air from the ceiling with oxygen-rich air near the floor, creating a more even and comfortable environment. Say goodbye to hard-to-breathe air and burning steam.  Breathe easy with the most versatile sauna heater on the planet.

    With the external temperature sensor (now shipping free with Sauna Marketplace orders!) the Saunum Air gets hotter than ever.  This is also our favorite heater for “slow-and-low” sauna sessions with high humidity and softer heat flowing over included Himalayan salt spheres and Aromatherapy cup at the base.  Truly a world-class Spa experience.

    Saunum Air is UL-approved for North America and ships daily out of greater Chicago.  At Sauna Marketplace, every Saunum heater comes with specially selected rocks paired by Saunum, Wi-Fi enabled AirIQ Controller, Himalayan salt spheres, External Temperature Sensor, US-based support, and the latest integrated power box for simplified installation.

    More than hot air:  Book a free consultation or jump into the chat below to speak with a Sauna Marketplace founder who owns and loves his Saunum Air 10 :).

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    Auroom Aera Outdoor Sauna with 3-Tier L-Bench, Overhang, and Porch – Preorder Now!

    Price range: $23,900.00 through $24,900.00

    Introducing Auroom Aera, a new generation of outdoor saunas designed and manufactured to the strictest, purist-approved sauna standards in Northern Europe.  Built for performance, durability, and timeless appeal, Aera is a beautifully crafted outdoor sauna that balances clean lines, natural textures, and diverse experiences.

    This is Auroom’s first standard model with 3-bench tiers, making it the most comfortable, enjoyable sauna on the market with minimal temperature difference from head to toe.  It’s a sauna you’ll want to stay in a little longer, use everyday, and share with your loved ones.  This is the sauna that can both satisfy the upper bench purist while winning over that friend who doesn’t think sauna is for them.

    Its brushed thermo-radiata pine exterior gives it a warm, textured look, while the waxed alder interior adds softness and sophistication. Thoughtfully integrated LED lighting brings the space to life – highlighting the benches, backrest, and terrace with a calming, layered glow.

    With multiple heater options, an optional floor module, and a diverse range of seating positions, the Auroom Aera adapts seamlessly to its setting while offering a distinctly elevated sauna experience.

    Select options This product has multiple variants. The options may be chosen on the product page

    5/4 x 4 SHP Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $5.46 through $246.00

    Alder 1×4 SHP Bench material is the classic choice for a timeless sauna.  With subtle yet appealing tone and aroma, Alder is the perfect natural sauna material with moisture wicking properties. Recommended Uses: Sauna benches, backrests, and skirting.

    1×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these .83″ thick boards horizontally or vertically.  See below for our framing suggestion.

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    Thermory 1×4 SHP Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $4.10 through $246.00

    Alder 1×4 SHP Bench material is the classic choice for a timeless sauna.  With subtle yet appealing tone and aroma, Alder is the perfect natural sauna material with moisture wicking properties. Recommended Uses: Sauna benches, backrests, and skirting.

    1×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these .83″ thick boards horizontally or vertically.  See below for our framing suggestion.

    Select options This product has multiple variants. The options may be chosen on the product page

    SaunaLife CL4G | Outdoor 3-Person Cube Sauna Kit with Panoramic Window

    $4,990.00

    The SaunaLife CL4G is a small affordable sauna that doesn’t compromise on durability and performance. The SaunaLife CL Cube Series is the only line in this price range that includes a shingle asphalt roof, thermally modified wood, an upper bench, ventilation, floor drain, and an LED light kit.  This all-weather sauna may have a small footprint but the inside still comfortable seats 3 people and feels expansive thanks to the thoughtful layout and full glass front window. This highly efficient sauna fits just about anywhere inside or out.

    ETA: Last Week of February

    1X4 Thermo-Aspen STS4 T&G Wall Cladding – Thermally Modified Sauna Wood by Thermory

    Price range: $4.52 through $271.20

    Thermally Modified Aspen (TASP) is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification.  The result is a darkened, smooth wood that won’t shrink, warp, cup, or rot when properly installed.  Choose this profile for a classic sauna look that’s more refined than typical North American saunas.

    Working with Tongue and Groove STS4 is a delight for contractors and DIY Sauna Builders alike.  We’re not exagerating that every builder we work with has found the quality and consistency to be truly remarkable.  At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.

    Actual wall coverage is 3.1″ to 3.2″ depending on installation.

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    Thermo-Magnolia Wide Sauna Bench Board 5/4×8 SHP

    Price range: $18.26 through $730.40

    These extra-wide bench boards in exquisite thermo-magnolia will add a touch of comfort while enhancing the look of your home.  The rich, dark shade is achieved by thermal modification giving magnolia an exclusive, stately finish.  Create your dream sauna or high-end sauna space.

    If you want to something a little ‘extra’, we think this is the most premium sauna bench material on the market.  Magnolia has attractive grain patterns, low thermal conductivity, and resists warping and cupping making it perfect as a wide-plank premium sauna bench material that won’t splinter.  This is also the widest plank sauna bench material available in North America, coming in at 7.3″ of actual width.

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    Dark Thermo-Alder 5/4×4 SHP Bench, Backrest, and Skirt Sauna Wood – Intense Modification by Thermory

    Price range: $5.88 through $235.00

    Dark Thermo-Alder 5/4 SHP Bench material is a perfect choice for sturdy, warm-tone benches that are smooth to the touch.  This dark-tone thermo-aspen is more brown and woodsy looking than thermo-aspen.  Ideal for a more traditional cabin-sauna or cottage feel.

    5/4×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these 1.1″ thick boards horizontally or vertically.  See below for our framing suggestion.

    Select options This product has multiple variants. The options may be chosen on the product page

    Dark Thermo-Alder Wall Paneling 1×5 STS4 – Intense Thermal Modification Sauna Wood by Thermory

    Price range: $6.87 through $412.20

    Thermal modification darkens wood, and intense thermal modification darkens wood even more.  It also takes the benefits of thermal modification to the next level.

    Wide plank 1×5 thermo-alder is an exceptional sauna wall material that can be installed vertically or horizontally.  The natural brown tone provides a classic, upscale sauna look.  Thermally modified alder is one of the best-performing sauna woods, with a warm tone, unbeatable performance, and timeless appeal.  The minimal expansion and contraction of Dark Thermo-Alder allows for tight, seamless transitions without molding.

    Select options This product has multiple variants. The options may be chosen on the product page

    Thermo-Spruce Sauna Bench and Floor Wood – 5/4 SHP Sauna Wood By Thermory

    Price range: $5.55 through $222.00

    One of our missions at Sauna Marketplace is to make it more affordable to build a DIY sauna without compromise.  Sauna bench wood has always been a barrier, but this 5/4 SHP Bench profile from Thermory makes it easier than ever.

    Intense natural modification using heat and steam alters this Nordic Spruce at a cellular level, resulting in a more durable and healthy choice than Western Red Cedar at a fraction of the price.  Unlike WRC, this Thermo-Spruce won’t warp, expand, contract, or cup.

    Recommended Uses: Sauna benches, backrests, flooring, and skirting.  These 1.0″ thick sauna bench boards are thick enough to build the frame, but we recommend using standard 2x4s for that.  See detail below.

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    1X4 Thermo-Spruce STS4 T&G Wall Cladding – Thermally Modified Sauna Wood by Thermory

    Price range: $2.50 through $150.00

    Thermo-Spruce 1×4 by Thermory is the most affordable way to achieve beautiful thermally modified wood walls in your sauna.  Popular in Finland for it’s thermal performance, Nordic Spruce is also a sustainable choice.  We love the rustic look and unique, tight knots that look like wings.  Thermo-Spruce gives a pleasant, mild aroma with far lower VOC content than Western Red Cedar.  Natural thermal modification changes the wood at a cellular level to resist rot, decay, warping, and cupping.

    Actual wall coverage is 3.1″ to 3.2″, depending on installation.  Thermo-Spruce pairs well with Thermo-Aspen benches.

    Select options This product has multiple variants. The options may be chosen on the product page

    Thermory 5/4×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $6.09 through $243.00

    Thermo-Alder 5/4 SHP Bench material is a great choice for sturdy, warm-tone benches that are smooth to the touch.  This mid-tone thermo-aspen is more brown and woodsy looking than thermo-aspen.  Ideal for a more traditional cabin-sauna or cottage feel (an even darker, intensely modified thermo-alder is also available).

    5/4×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these 1.1″ thick boards horizontally or vertically.  See below for our framing suggestion.

    Select options This product has multiple variants. The options may be chosen on the product page

    Thermory 1×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $4.96 through $243.04

    Thermo-Alder 1×4 SHP Bench material is a popular choice for sauna benches, backrests, and skirting.  This mid-tone is more brown and woodsy looking than thermo-aspen.  Great for a more traditional cabin-sauna or cottage feel.

    1×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these .83″ thick boards horizontally or vertically.  See below for our framing suggestion.

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    Thermo-Alder Wall Paneling 1×5 STS4 – Sauna Wall and Ceiling Wood By Thermory

    Price range: $5.41 through $324.60

    Wide plank 1×5 thermo-alder is an exceptional sauna wall material that can be installed vertically or horizontally.  The natural brown tone provides a classic, upscale sauna look.  Thermally modified alder is one of the best-performing sauna woods, with a warm tone, unbeatable performance, and timeless appeal.  The minimal expansion and contraction of Thermo-Alder allows for tight, seamless transitions without molding.

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    Alder Wall To Wall Flat T Transition Trim

    $34.80

    Need longer wall cladding boards in alder than those available by Thermory?  We make those transitions easy with this T moulding to avoid gaps with a professional look.  Common on walls and ceilings in commercial saunas.

    Note: These will arrive directly from Thermory USA in bundles of two in 7′ and 8′ lengths.

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    Alder Moulding 1×1 SI Sauna Ceiling Trim By Thermory

    Price range: $2.00 through $64.00

    Alder 1×1 SI makes sauna building easier than ever.  These 0.59″x 0.71″ are ideal for concealing the gap and giving a professional finish to any wall-to-ceiling transition.  Make it easy, make it beautiful with Thermory 1×1 ceiling mouldings in Alder.

    Note: These will arrive directly from Thermory USA in bundles of four in 7′ and 8′ lengths.

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    Alder Moulding 1×1 SHP Sauna Trim, Floor, and Bench Wood By Thermory

    Price range: $2.00 through $160.00

    Alder 1×1 SHP is a versatile sauna material for trim, benches, internal corner molding, and sauna floors.  Cover any inward-facing corners in your sauna with this elegant moulding profile in natural alder.  Alder is a hardy and water-repellent wood that doesn’t overheat, with a beautiful reddish tone and a pleasant texture.

    These 0.83″ thick boards are ideal for creative projects and making your sauna design truly unique.  Note: These can only be purchased in bundles of 10 in 7′ and 8′ lengths.

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    Alder 5/4×3 STEP Wall Cladding – Sauna Wood by Thermory

    Price range: $3.72 through $223.97

    Step up your game and build the sauna of your dreams with Alder STEP Cladding by Thermory.  The broad, square grooves create a striking shadow effect, adding depth and intrigue to any space.  It’s our go-to for vertical wall cladding in any high-end sauna build.

    Alder is a popular and timeless sauna wood with natural water repelling properties.  It’s a medium tone with reddish tints and a subtle honey-like aroma.  At Sauna Marketplace, we make it easy to build an Alder sauna with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.

    The actual wall coverage is 2.2″, which completes the step.

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    1X5 Brushed Black Alder STS4 Wall Cladding – Sauna Wood by Thermory

    Price range: $6.52 through $391.20

    Looking for a smooth, black sauna wood with a professional finish?  The wire-brushed black wax alder by Thermory is a perfect choice for a durable finish.  Whether contrasting with woods like thermo-aspen or going all dark for the ancient ‘smoke sauna’ look this STS4 1×5 is an ideal choice for a wide plank wall and ceiling cladding.  Actual wall coverage is 4.4″.

    Note: Brushed black alder does NOT have the burnt Shou Sugi Ban (yakisugi) look as other websites incorrectly show.  Please ask us about ‘Thermory Ignite’ for that.

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    1X5 Alder STS4 Wall Cladding – Natural Sauna Wood by Thermory

    Price range: $5.41 through $324.60

    Wide plank alder is a solid choice for any traditional Finnish sauna.  Natural alder is naturally resistant to water and a favorite among sauna builders who prefer a timeless, classic look with mild aroma.

    Actual wall coverage is 4.3″.

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    1X4 Alder STS4 T&G Wall Cladding – Sauna Wood by Thermory

    Price range: $3.62 through $217.20

    Coveted in Finland and worldwide, European alder brings timeless elegence to your sauna with its distinctive reddish tone and inviting texture. This premium 1×4 natural profile offers excellent thermal properties (0.12 W/m·K) and sound absorption, creating the ideal surroundings and conditions for healing heat. Completely untreated and E1 certified for ultra-low emissions, this alder tongue and groove cladding maintains its warm, honey-like fragrance while providing the perfect balance of durability and comfort. Choose this medium-toned Estonian-crafted wood for an authentic sauna experience that harmonizes tradition with European quality standards.

    1×4 STS4 By Thermory might just be nature’s perfect sauna companion.

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    Thermory 5/4 SHP Thermo-Aspen Sauna Bench and Floor Wood

    Price range: $5.70 through $228.00

    Thermory Thermo-Aspen 5/4 (previously called 2×4) SHP Bench material is the perfect smooth, cool timber to feel against bare skin.  Because it doesn’t secrete resin, splinter or overheat, aspen makes for an ideal sauna material. The color of thermally modified aspen is an attractive golden brown.  Thermally modified wood resists rotting, expansion, contraction, warping, and cupping. Recommended Uses: Sauna benches, backrests, flooring, and skirting.

    These 1.1″ thick sauna bench boards are thick enough to build the frame, but we recommend using standard 2x4s for that.  See detail below.

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