Harvia 50 Sauna Stove — 40kW Wood-Burning Heater for Large Sauna Rooms
The Harvia 50 (WK500) wood-burning sauna stove stands as the most powerful wood-burning heater in the Harvia lineup — purpose-built for large commercial or group sauna environments. With a massive 40kW heating capacity, it delivers powerful, even heat across rooms ranging from 706 to 1,766 cubic feet.
Designed for performance and durability, the Harvia 50 features a steel body with a stylish black finish and is engineered to hold up to 264 lbs of stones (sold separately). This substantial stone capacity ensures consistent heat and the ability to generate massive steam output, making it ideal for commercial saunas, retreat centers, and multi-user settings.
Crafted in Finland, this stove is built to last and to serve as the heart of your large sauna for years to come.
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Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.
How do I track my order?
You’ll receive an email with tracking number, carrier, and a tracking link when your order ships. You can also track via the carrier’s site.
How long does processing take?
Orders are processed in 1–2 business days (Mon–Fri, excluding holidays). Orders placed before 5:00 PM EST start processing the same day.
What if my order arrives damaged or something’s missing?
Damaged: Take photos and contact us within 14 days so we can arrange a replacement or refund. Shield Smart Systems
Missing items: Contact us within 14 days of delivery and we’ll investigate and resolve it quickly.
Do you offer free shipping?
Yes. We offer free standard shipping within the United States (orders $50+). You’ll see the shipping cost (usually $0) at checkout.
Can I change or cancel my order?
- Before shipment: You can cancel for a full refund.
- After shipment: Follow the return process once it arrives.
Do you offer financing or “Buy Now, Pay Later”?
Yes—Buy Now, Pay Later options are available at checkout (subject to provider approval).