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PRO 20 SL 1 / 10
Harvia

PRO 20 SL

Harvia
$1,599
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

Experience the authentic warmth of a traditional Finnish sauna with this high-performance wood-burning heater. Designed for convenience, this through-the-wall stove allows you to fuel your sauna from an adjacent room while providing consistent heat for spaces up to 706 cubic feet.

Transform your wellness space with this premium wood-burning sauna heater, engineered to provide a superior, authentic Finnish sauna experience. Designed for versatility and ease, this through-the-wall sauna stove allows you to add wood from an adjacent room, keeping your sauna cabin clean and serene while maintaining the perfect temperature. Whether you are building a new traditional home sauna or upgrading your existing setup, this 24.1kW unit delivers the rugged reliability and intense heat required for sauna rooms ranging from 283 to 706 cubic feet.

Authentic Performance and Dual-Room Utility

This powerful heater serves a dual purpose, functioning as both an efficient sauna stove and a cozy fireplace. The design allows it to heat two rooms simultaneously, making it an excellent centerpiece for larger wellness areas. Crafted from durable black steel with a high-quality, cast-iron-framed glass door, this heater offers both visual elegance and long-lasting durability. The door's opening direction can be adjusted to accommodate your specific installation requirements, ensuring maximum flexibility.

Key Features for Your Traditional Sauna

Engineered for those who value tradition and performance, this heater incorporates smart design elements that simplify operation and maintenance. Its robust build ensures it stands up to the rigors of frequent use, while the through-wall configuration streamlines your sauna experience. Key features include:

  • Powerful 24.1kW output suitable for rooms between 283 and 706 cu. ft.
  • Innovative through-the-wall design for external fuel loading.
  • Versatile dual-room heating capability.
  • Durable cast-iron-framed glass door for a classic aesthetic.
  • Adjustable door opening direction for easy installation.
  • Designed, engineered, and manufactured in Finland.
  • Sturdy black steel construction with a sleek black finish.

Invest in the best for your home wellness retreat.

Specifications

Power (kW)24.1
Room Volume283-706 CU. FT.
Rock Capacity88 lbs
Dimensions17"W (430mm) x 28.7"D (730mm) x 30"H (760mm)
Weight154 lbs
FinishBlack
MaterialBlack Steel
InstallationWall-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 size sauna room is this heater designed for?

This 24.1kW wood-burning heater is optimized for sauna rooms ranging from 283 to 706 cubic feet.

How does the through-the-wall loading feature work?

The through-the-wall design allows you to mount the heater so that the fuel-loading door is accessible from an adjacent room, keeping the main sauna area free of debris and wood.

Does this heater require any special electrical connections?

No, this is a traditional wood-burning heater and does not require any hardwired electrical connections for operation.

What type of maintenance is required for the sauna stones?

This unit requires a minimum of 88 lbs of sauna stones. For optimal performance, we recommend inspecting the stones periodically and replacing them if they begin to crumble or crack.

Complete your setup

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