Narvi NC Wood-Burning Heater

Traditional Finnish Wood-Fired Heat. Timeless Nordic Design.

The Narvi NC Wood-Burning Sauna Heater combines elegant Nordic styling with reliable wood-fired performance. Designed and manufactured in Finland, the NC series delivers powerful, even heat while maintaining the soft, balanced löyly (steam) that defines the traditional Finnish sauna experience.

Its large stone capacity and thoughtfully engineered fire chamber provide efficient combustion and long-lasting heat while using firewood efficiently. The durable steel body, glass fire door, and clean architectural lines create a refined appearance that complements both modern and traditional sauna interiors. 

Built for flexibility and easy installation, the Narvi NC heater supports both top and rear chimney connections, allowing the flue to be configured to match your sauna layout.

Available in multiple sizes to accommodate a range of sauna room volumes, the Narvi NC series delivers dependable heating performance and authentic wood-burning sauna atmosphere.

Quick Highlights

• Fuel Type: Wood-Burning
• Mount Type: Floor-Standing
• Sauna Room Size: 283-847 cu ft (depending on model)
• Stone Capacity: 110-176 lbs (depending on model)
• Control System: Manual air control and wood-burning operation
• Design: Modern steel sauna stove with Nordic styling
• Installation: Chimney connection required (top or rear flue)
• Made In: Finland

Why You'll Love It

• Authentic wood-burning Finnish sauna experience
• Heat-resistant glass fire door to enjoy the natural fire glow
• Large stone capacity for soft, even löyly (steam)
• Efficient combustion for strong, consistent heat
• Flexible chimney connection options (top or rear)
• Durable steel construction for long-lasting performance
• Clean Nordic design complements traditional or modern saunas
• Built in Finland by one of the most respected sauna heater manufacturers

Choosing Your Heater Size

The Narvi NC heater is available in multiple models designed for different sauna room sizes. Selecting the appropriate heater ensures efficient heating and optimal löyly (steam).

Recommended sauna room sizes:

Sizing Tip:
If your sauna includes glass doors, windows, exterior walls, stone surfaces, or outdoor installation, selecting the next larger heater size may help maintain proper heating performance.

• NC 16 – Sauna rooms 283-565 cu ft
• NC 20 – Sauna rooms 353-706 cu ft
• NC 24 – Sauna rooms 353-847 cu ft

Important Information

Product Details

• Sauna stones included for optimal heat retention and steam production
• Chimney adapter included for connection to compatible chimney systems
• Heat-resistant glass fire door creates a warm ambient fire glow
• Wooden handle remains cool and comfortable during operation
• Durable powder-coated steel construction designed for years of performance
• Backed by a 2-year Limited Manufacturer Warranty 

Installation

• Chimney systems and floor protection plates may be required depending on installation  
• Protective floor plate required when installing the heater on combustible flooring such as wood, vinyl, laminate, or other heat-sensitive materials 
• Optional wall heat shields may be used to reduce required wall clearances or when the chimney exits through a wall
• Flue connection can be configured from either the top or rear of the heater depending on chimney layout
  
• Chimneys may exit through the roof or through a wall before continuing vertically outside
• Proper sauna ventilation and insulation are required for safe operation 
• Installation must comply with local building codes and safety clearances
• Always consult the installation manual or a qualified installer 

Installation Tip: Due to the substantial weight of the heater when filled with stones, some installations – especially on uneven surfaces – may benefit from using an adjustable floor plate to ensure proper stability and safe operation. Adjustable Installation Base (floor plate) available separately.

Shipping

• Heater orders include sauna stones and are carefully packaged for safe transit
• Due to weight, most Narvi NC heater orders ship via freight delivery
• When ordered as part of a sauna package, the heater and stones may ship together with the sauna via freight delivery  
• Shipping method will be confirmed prior to shipment 
• Lumaterra Wellness coordinates shipping directly with the manufacturer for safe delivery

What's Included

• Narvi NC sauna heater
• Sauna Stones
• Chimney adapter
• Installation Manual

Technical Specifications

Model Options

• NC 16: 283-565 cu ft
• NC 20: 353-706 cu ft
  
• NC 24: 353-847 cu ft

Heat Output

• NC 16: 16 kW
• NC 20: 16 kW
• NC 24: 17 kW

Stone Capacity

• NC 16: 110 lbs
• NC 20: 132 lbs
• NC 24: 176 lbs

Net Weight

• NC 16: 159 lbs
• NC 20: 168 lbs
• NC 24: 181 lbs

Total Shipping Weight (with Stones)

• NC 16: 269 lbs
• NC 20: 300 lbs
• NC 24: 357 lbs 

Product Width

• NC 16: 19.5 in
• NC 20: 21.25 in
• NC 24: 23 in

Product Height 

• NC 16: 30.75 in
• NC 20: 31.5 in
• NC 24: 32.25 in

Product Depth – 23 in

Flue Connection Diameter – 119 mm (4.68 in)

Flue Connection – Top or Rear

Minimum Sauna Room Height – 80 in

Maximum Firewood Length – Approx. 13 in

Country of Origin – Finland 

Resources

Access manufacturer documentation, installation requirements and detailed specifications.

Downloads & Documentation:

Note: In the manufacturer specification sheet, the final column corresponds to the NC 24 model.

Narvi NC Spec Sheet
Narvi NC Installation Manual