Skip to content
Free shipping to the US, Canada & Europe Talk to a sauna specialist: +1 (408) 320-0181 · Mon–Fri 9–6 ET
Help 0
Duo Series, 31kW, Wood Sauna Stove 1 / 10
Harvia

Duo Series 36 Wood Stove Sauna Heater

Harvia
$2,999
In stock · Processed in 1–5 business days
  • Free shippingUS, Canada & Europe
  • 14-day returnsRefunds within 30 days
  • Pay by invoiceBank transfer, 3 days to pay
  • WarrantyCovered by the manufacturer

Estimated delivery . Shipping · Returns · Warranty

Questions? Talk to a sauna specialist: +1 (408) 320-0181

About this product

Enhance your home wellness retreat with this high-performance 31kW wood-burning sauna heater. This versatile 2-in-1 unit functions as both a powerful sauna stove and a cozy fireplace, designed to efficiently heat spaces from 494 to 1,271 cubic feet.

Transform your home sauna into a professional-grade wellness sanctuary with this high-performance 31kW wood-burning sauna heater. Engineered for versatility, this innovative 2-in-1 solution allows you to heat two rooms simultaneously while serving as an elegant dual-purpose fireplace. Whether you are aiming to create a seamless transition between your hot room and a cooling area, or simply desire a stunning focal point, this stainless steel stove provides the consistent, deep heat needed for an authentic Finnish-inspired experience.

Traditional Wood-Burning Steam and Fireplace Ambiance

Experience the timeless comfort of a real wood-burning fire. The large, steel-framed glass door is designed to let the warm glow of the flames permeate your space, turning every sauna session into a restorative retreat. Built with robust steel and a durable stainless steel outer casing, this heater combines modern aesthetic trends with the rugged longevity required for frequent, high-heat use. It is truly the centerpiece your wellness room deserves.

Engineered for Efficiency and Large Sauna Spaces

This heater is purpose-built for larger environments, supporting room volumes between 494 and 1,271 cubic feet. The floor-mount design features adjustable feet, ensuring a perfectly level installation even on uneven flooring. By utilizing its dual-room capabilities, you can maximize heat efficiency throughout your home spa area.

Key Features of the Dual-Function Sauna Stove

  • Powerful 31kW heat output ideal for rooms up to 1,271 cubic feet
  • Innovative 2-in-1 design heats two rooms simultaneously
  • Functions as both a traditional wood-burning stove and a cozy fireplace
  • Premium stainless steel outer casing ensures durability
  • Large steel-framed glass door creates a warm, inviting ambiance
  • Floor-mount installation with adjustable legs for precise leveling
  • Generous 132-pound stone capacity for superior steam production
  • Dimensions: 20 inches wide by 31 inches deep by 32 inches high

Invest in the ultimate authentic sauna experience. This high-capacity heater blends traditional performance with modern design, making it a reliable choice for your home wellness project. Each unit arrives ready for setup, including adjustable legs and an integrated ash box for easier maintenance. Order your 31kW wood-burning sauna heater today and enjoy fast, free standard shipping across the contiguous United States as you begin your journey to a more restorative lifestyle.

Specifications

Power (kW)31
Room Volume494-1271 CU. FT.
Rock Capacity132 lbs
Dimensions20"W (510mm) x 31"D (790mm) x 32"H (810mm)
Weight176 lbs
FinishStainless Steel
MaterialStainless Steel
InstallationFloor-Mount
HardwiredNO
CertificationsCE
WarrantyWarranty

Shipping, payment & returns

  1. 1Place your orderChoose bank transfer at checkout. Your invoice and bank details appear instantly and are emailed to you.
  2. 2Pay within 3 daysACH or domestic wire in the US, international wire in USD or another currency. Unpaid orders cancel automatically.
  3. 3We process and shipProcessing takes 1–5 business days after payment, then delivery takes 7–12 business days. Shipping is free.

Import duties, VAT and customs fees outside the US, where applicable, are the recipient’s responsibility. Return requests within 14 days of delivery; approved refunds within 30 days. Optional shipping protection ($99) is available at checkout. See the shipping and return policies.

Frequently asked

What is the heating capacity of this wood-burning sauna stove?

This powerful 31kW heater is designed to accommodate sauna rooms ranging from 494 to 1,271 cubic feet, making it an excellent choice for large home sauna projects.

Does this sauna heater require any electrical connections?

No, this is a traditional wood-burning unit. It does not require hardwiring or electrical power, relying entirely on wood combustion to generate heat and steam.

How do I install this sauna heater?

This unit features a floor-mount design. It includes adjustable feet to ensure it sits level on your sauna floor, providing a stable and secure installation.

How much stone is required for this heater?

The heater has a stone capacity of 132 pounds. Please note that sauna stones are sold separately and are required to achieve the optimal steam generation.

Complete your setup

Compatible add-ons and accessories

You may also like

Similar products in Wood-Burning Sauna Heaters