Experience authentic Finnish sauna heat with the Harvia Pro Series Wood Burning Sauna Stove in the USA.
Feel the crackle of birch wood, the thick rising steam when water hits the hot stones, and the deep warmth that penetrates your body — something no electric heater can match.
Built in Finland, engineered for a lifetime, the Pro Series is available in four models to fit any sauna, any space, and any vision.
🔥 Key Benefits
🪨 Massive Stone Capacity: Retains heat longer and produces thick, satisfying steam for a true Nordic sauna experience.
🔥 Authentic Wood-Fire Heat: Radiant, natural warmth with the classic crackle of a real fire.
🏭 Designed & Made in Finland: Engineered in the birthplace of the sauna, with decades of expertise.
⚙️ Commercial-Grade Steel Construction: Heavy-gauge steel with cast-iron and stainless steel components ensures decades of durability.
📐 Adjustable Legs for Easy Installation: Fine-tune the height to match your floor clearance and heat shield requirements.
🏡 Four Models – One Right Fit: From compact home saunas to dual-room setups, there’s a Pro Series stove for every space.
💧 Water Heater Compatible (Pro 26): Connect a pipe-mounted water heater for off-grid hot water solutions.
🔑 No Electricity Required: Pure wood-fire operation, perfect for remote cabins, backyard, or off-grid saunas.
📌 Variant Short Descriptions
Pro 20 – Standard
From $1,462 — Ideal for small to medium home saunas (~200–530 cu. ft.). Offers genuine Finnish wood-fire heat with adjustable legs and a cast-iron glass door.
Pro 20 SL – Slim
From $2,080 — Same 20 kW output as the standard Pro 20 but in a slimline profile for tight spaces and alcoves.
Pro 26 – Performance
From $1,937.78 — High-output 26 kW model for larger saunas or cabins. Large stone capacity ensures stable temperature and rich steam.
36 Duo – Dual Room
From $3,203.33 — 31 kW commercial-grade stove that heats both sauna (~1,271 cu. ft.) and adjoining lounge simultaneously. Perfect for lodges, retreats, or luxury residential setups.
🛠 How to Choose the Right Model
Small home sauna under 530 cu. ft. → Pro 20 Standard
Sauna with limited floor space. → Pro 20 SL Slim
Larger sauna, frequent use. → Pro 26 Performance
Heat sauna + adjoining lounge. → 36 Duo Dual Room
📦 What's Included With Every Model
Sauna stove body
Adjustable legs
Cast-iron glass door (Pro Series) / Steel-framed glass door (36 Duo)
Ash box
Installation and operation manual
Full Harvia manufacturer warranty
Note: Sauna stones are not included and must be purchased separately. The 36 Duo requires 3 boxes of stones (132 lb capacity).
📊 Full Specifications by Model
Pro 20 Standard (WKPR20M)
Power Output
20 kW
Fuel Type
Wood
Min. Sauna Size
~200 cu. ft.
Max. Sauna Size
~530 cu. ft.
Door Material
Cast Iron with Glass
Adjustable Legs
Yes
Flue Connection
Top
Finish
Graphite Black
Water Heater Compatible
No
Approx. Dimensions
430 × 510 × 810 mm
Pro 20 SL Slimline (WK200SL)
Power Output
20 kW
Fuel Type
Wood
Min. Sauna Size
~200 cu. ft.
Max. Sauna Size
~530 cu. ft.
Door Material
Glass Front
Adjustable Legs
Yes
Flue Connection
Top
Finish
Graphite Black
Profile
Slimline – reduced depth
Ideal for
Tight alcoves, narrow rooms
Pro 26 Performance (WKPR26M)
Power Output
26 kW
Fuel Type
Wood
Min. Sauna Size
~300 cu. ft.
Max. Sauna Size
~800 cu. ft.
Door Material
Cast Iron with Glass
Airflow Component
Stainless Steel Spoiler
Adjustable Legs
Yes
Flue Connection
Top
Water Heater Compatible
Yes (pipe-mounted)
Finish
Graphite Black
Approx. Dimensions
430 × 510 × 810 mm
Approx. Weight
65–75 kg
36 Duo Dual Room (WKPR36DUOS)
Power Output
31 kW
Fuel Type
Wood
Min. Sauna Size
494 cu. ft.
Max. Sauna Size
1,271 cu. ft.
Min. Room Height
81.1" (2,060 mm)
Stone Capacity
132 lbs (3 boxes, sold separately)
Max. Firewood Length
15.3" (390 mm)
Firewood Diameter
3–6" (80–150 mm)
Door Material
Large Steel-Framed Glass
Outer Casing
Stainless Steel
Adjustable Feet
Yes
Flue Connection
Top
Heater Weight
176 lbs
Shipping Weight (w/ stones)
308 lbs
Dimensions (W×D×H)
20" × 31" × 32" (510×790×810 mm)
Special Feature
Heats 2 rooms simultaneously
Made In
Finland
We want to make sure you have a clear picture of how your order gets to you. Because we work with brand partners who handle fulfillment directly, shipping timelines and methods are managed on their end. Here is what you can generally expect.
Delivery Area
Orders are fulfilled within the contiguous United States (lower 48 states). At this time, we are unable to process orders for Alaska, Hawaii, Puerto Rico, Guam, U.S. territories, or international destinations. If you are unsure whether your location is eligible, please reach out to us before placing your order.
Estimated Delivery Timeframe
Delivery timelines vary by brand and product. As a general guide:
Order Processing: 1–3 business days (varies by brand)
Transit Time: 2–7 business days after processing
Overall Estimate: Approximately 3–10 business days from order date
Note: These are general estimates based on information provided by our brand partners. Actual delivery times may vary and are ultimately determined by the fulfilling brand and their carriers.
Curbside Delivery
Most deliveries — especially for larger items like saunas — are curbside only. Carriers are not able to bring items inside your home, garage, or interior spaces. We recommend arranging assistance in advance if you anticipate needing help moving the item.
LTL Freight (Oversized Items)
Larger products such as indoor and outdoor saunas are typically shipped via LTL Freight. In these cases:
The carrier will contact you ahead of time to arrange a delivery window.
A signature is required at the time of delivery.
Please ensure someone is available to inspect and sign for the shipment.
Order Tracking
Once your order is dispatched, tracking information will be sent to you via email. Tracking details are provided by the fulfilling brand or their designated carrier. If you have not received tracking information within 4 business days of your order, feel free to contact us and we will follow up on your behalf.
Damaged Items at Delivery
We strongly recommend inspecting your delivery before signing. If the package shows visible damage:
Photograph the packaging clearly before accepting or opening the shipment.
If damage is significant, you may refuse the delivery and note it on the Bill of Lading (BOL).
Contact us at sales@saunareserve.com within 24 hours with your photos and order number.
We will do our best to assist you in coordinating with the brand to resolve the issue as quickly as possible.
Please be aware that damage claims and resolutions are ultimately handled by the brand or manufacturer. We will actively support and advocate for you throughout this process.
As an authorized retailer for the brands we carry, Sauna Reserve acts as a point of contact to help guide you through the return, refund, or warranty process. Please note that because products are fulfilled and supported directly by the brand or manufacturer, all final decisions regarding returns, refunds, and warranty claims are made by them in accordance with their own policies.
We understand this can feel uncertain, and we want you to know that we are here to assist you every step of the way — from initiating a request to following up on your behalf.
General Return Guidelines
The following reflects general return conditions that most of our brand partners follow. Specific terms may vary by brand:
Return requests are typically accepted within 30 days of delivery.
Items must be unused, uninstalled, and in their original packaging — including all accessories, documentation, and packaging materials.
A restocking fee may apply depending on the brand's policy. This is assessed by the brand, not by Sauna Reserve.
Used, modified, or incomplete items are generally not accepted for return.
Important: Return eligibility, fees, and conditions are determined by each individual brand. Sauna Reserve will communicate these details to you clearly and help coordinate the process.
How to Request a Return or Refund
Contact us atsales@saunareserve.com or +1 (888) 780-3410.
Provide your Order Number and adescription of the issue.
We will review your request andreach out to the brand on your behalf.
If the return is approved, wewill provide you with the brand's return instructions and any requiredauthorization number.
Repackage the item carefullywith all original contents.
Ship the item using the returndetails provided and send us the tracking number.
Return shipping costs may apply and will be communicated to you prior to proceeding. Costs covered by the brand in cases of defect or damage vary by brand policy.
Warranty Issues & Product Concerns
All warranty claims are handled directly by the brand or manufacturer of the product. Warranty terms, coverage periods, and resolution processes differ by brand.
If you experience a product issue that may be covered under warranty:
Contact us and describe the issue in detail, including photos if applicable.
We will connect you with the appropriate brand support team or submit the claim on your behalf.
The brand will assess the issue and determine the appropriate resolution — whether that is a replacement part, repair, or replacement unit.
We will remain in contact throughout this process and keep you informed of any updates.
Please note: Sauna Reserve does not manufacture or warehouse the products we sell. All warranty decisions, part availability, and repair or replacement outcomes rest with the brand or manufacturer. Our role is to support and advocate for you as effectively as we can.
We want thepayment process to be as simple and flexible as possible. Sauna Reserve acceptsa variety of payment methods so you can check out in the way that works bestfor you.
Accepted Payment Methods
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Bank Payments: Direct bank payments where available through your card or payment provider
PayPal: PayPal (including PayPal balance, linked bank accounts, and PayPal-supported cards)
Shop Pay: Shop Pay for a streamlined checkout experience
Installment & Financing Plans
If you areinterested in spreading payments over time, some payment providers — includingyour bank, credit card issuer, or PayPal — may offer installment or financingoptions on their end. We encourage you to check directly with your bank or cardprovider to find out what plans may be available to you.
SaunaReserve does not offer or manage financing plans directly. Any installment arrangements are between you and your chosen payment provider. Terms, eligibility, and interest rates are set entirely by the provider.
Payment Security
All transactions on our website are processed through a secure checkout. Your payment information is encrypted and is never stored by Sauna Reserve.
Incredible performance even on cold mornings. The 1950 W output is enough to heat the space evenly — no cold spots. Chromotherapy light, stereo, and thoughtful layout make it a joy to use. Highly recommend for couples or small groups.
I never thought a barrel sauna could feel this high end. The craftsmanship is outstanding, the wood stove works like a dream, and heating is even and efficient. The asphalt roof should protect it through the seasons. It’s become our go-to spot for relaxing evenings.
I live in a small apartment and this plunge has been a game changer. It fits perfectly on my balcony, sets up in minutes, and I can switch between hot and cold depending on how I feel. The compact design is exactly what I needed.
Love the performance and the temperature range. It gets really cold, which is perfect for morning plunges, and heats up nicely for evening soaks. Only reason for 4 stars is I wish the app had a few more features, but overall very happy.
This plunge is perfect for tight spaces. I don’t have room for a big tub, but this fits in my garage without issues. Setup was quick, and the cover keeps the water at the right temp between uses. Highly recommend.
As a runner, recovery is super important to me. The cold plunge has helped reduce soreness and inflammation, and on rest days I switch to the hot soak. It’s like having my own personal spa at home.
Solid product with great functionality. It’s lightweight and portable, but still feels durable. The only downside is the chiller can be a little noisy when it’s working hard, but it’s not a dealbreaker.
I bought this for my husband’s birthday and he absolutely loves it. He uses it after lifting sessions, and I use it for relaxing hot soaks. It’s versatile, easy to use, and looks great too.
The compact barrel design is genius. It doesn’t take up much space, but it’s still roomy enough to sit comfortably. I’ve noticed a huge improvement in my energy and sleep since starting regular plunges.
From unboxing to first plunge, it took less than 20 minutes. Super simple setup, sturdy build, and the water gets cold FAST. This has quickly become my favorite part of the day.
I love my barrel plunge! I have a small balcony and I thought I’d never be able to have a cold plunge, but the Revive barrel plunge is compact enough to fit easily. My recovery routine is so much better now thank to Revive!
This was the perfect plunge for the space I had to work with. I had been wanting a cold plunge for a long time, filling my bath tub with ice multiple times a week and it was such a hassle. I didn’t have a lot of available space to put one though, and didn’t want one of those cheap looking pop up pods. This one looks great, is really sturdy, and is big enough for my 6’3” frame to get all the way in. Really happy with this purchase
