Harvia 50 Sauna Stove — 40kW Wood-Burning Heater for Large Sauna Rooms

Product Overview

Experience unmatched sauna performance with the Harvia 50 Sauna Stove (WK500) — the most powerful wood-burning heater in Harvia’s renowned lineup. Designed specifically for large commercial saunas, wellness centers, and multi-user environments, this Finnish-engineered masterpiece delivers an impressive 40kW of heating power, efficiently warming spaces between 706 and 1,766 cubic feet. With a massive 264 lb stone capacity, the Harvia 50 provides consistent, long-lasting heat and the ability to produce abundant steam for the ultimate traditional sauna experience.

Key Features

• Exceptional Heating Power: 40kW output ensures rapid, even heating across large sauna spaces.

• Commercial-Grade Performance: Ideal for hotels, wellness centers, gyms, lodges, and multi-user saunas.

• Large Stone Capacity (264 lbs): Supports superior heat retention and high steam output for deep, authentic sauna sessions.

• Durable Steel Construction: Built from heavy-duty black-finished steel for longevity and modern appeal.

• Finnish Craftsmanship: Designed and manufactured in Finland, combining precision engineering with heritage sauna expertise.

• Efficient Air Circulation: Optimized firebox and air channels promote complete combustion and uniform heat distribution.

• Floor-Mounted Design: Sturdy installation ensures stability and ease of maintenance.

• Timeless Aesthetic: Minimalist black finish complements traditional and contemporary sauna interiors alike.

Specifications

• Model: WK500

• Power Output: 40kW

• Primary Fuel: Wood

• Color: Black

• Construction: Steel

• Heater Width: 20"

• Heater Depth: 28.3"

• Heater Height: 41.3"

• Net Weight: 428 lbs

• Stone Capacity: 264 lbs (6 boxes, sold separately)

• Recommended Room Volume: 706 – 1,766 cu. ft.

• Minimum Room Height: 89"

• Safety Clearances (Non-Combustible Surfaces):

  • Front: 20"

  • Sides: 4"

  • Back: 4"

  • Ceiling: 47"

Why Choose the Harvia 50 Sauna Stove?

The Harvia 50 is the ultimate wood-burning sauna heater for those who demand uncompromising heat and endurance. Its massive heating capacity, superior stone load, and authentic Finnish craftsmanship make it ideal for commercial or large-group saunas. This stove delivers consistent, deep heat and rich steam, embodying the heritage of Finnish sauna culture while ensuring modern reliability and safety.

What’s Included

• 1× Harvia 50 Sauna Stove (WK500)

• Installation & operation manual

• Manufacturer warranty documentation

(Sauna stones sold separately.)

Warranty & Support

Backed by Harvia’s limited manufacturer warranty, with full technical support to ensure years of dependable use and satisfaction.