Metters Kosi No.25

Kosi No.25
An Aussie icon reimagined for today’s home, the Kosi No.25 Freestanding Wood Heater combines timeless traditional style with modern combustion technology. Designed for small to medium-sized areas, this freestanding wood heater delivers dependable warmth, efficient performance, and classic Australian character.
With innovative fire brick and baffle plate technology inside the firebox, the Kosi No.25 is designed to keep the fire burning efficiently while helping maintain consistent heat output. Its generous 54L firebox, low emissions, and convenient inbuilt ash box make it a practical and reliable choice for everyday wood heating.
Blending Australian heritage with modern ingenuity, the Kosi No.25 is ideal for homeowners seeking the charm of a traditional wood fire with the convenience and performance expected in today’s home.
Size Specifications
Heater Dimensions: 630 mm W × 500 mm D × 810 mm H
Weight: 132 kg
Heating Area: Up to 250 m²
Firebox Dimensions: 490 mm W × 300 mm D × 323 mm H
Firebox Capacity: 54L
Firebox Thickness: 6mm steel
Maximum Log Size: 470 mm
Model Number: SG010100004
Warranty: 15-year firebox warranty
Performance Specifications
Average Heat Output: 6.4kW
Emissions: 0.8g/kg
Efficiency: 67%
Additional Information
Classic Australian Design
Features a timeless freestanding style that brings traditional wood heater character into today’s home.
Efficient Firebox Technology
Innovative fire brick and baffle plate technology helps support cleaner, more efficient combustion.
Ideal for Small to Medium Areas
Designed to heat areas up to approximately 250 m², making it suitable for a wide range of living spaces.
Generous 54L Firebox
Provides practical firebox capacity for comfortable heating and efficient wood burning.
Low Emissions Performance
Produces emissions of 0.8g/kg, supporting cleaner operation for a freestanding wood heater.
Inbuilt Ash Box
Includes a convenient ash box to make cleaning easier and help reduce mess.
Durable Steel Construction
Built with a 6mm steel firebox for strength, durability, and long-term performance.
Large Log Capacity
Accepts logs up to 470 mm, making loading simple and practical for everyday use.
Reliable Heating Output
Delivers an average heat output of 6.4kW for steady warmth and comfort.
15-Year Firebox Warranty
Backed by a 15-year firebox warranty for added confidence and peace of mind.