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Wood Burning

Koza K12 Wood Burning Stove – 6kW

  • SKU KOZA/K12

£976.00 inc VAT

In Stock

Estimated Delivery Date
Order today for delivery between Thursday 30 July - Wednesday 5 August

The KOZA K12 6kW wood burning stove is a modern freestanding cast iron log burner designed for efficient, long lasting heat. Its minimalist design and solid construction make it a strong feature in any interior. A reliable and stylish choice for small to medium sized rooms.

In Stock

Free Delivery Orders over £300
5 Year Warranty Manufacturer backed
Fast UK Delivery Nationwide fulfilment
Secure Checkout Protected payments

Description

The KOZA K12 6kW freestanding cast iron wood burning stove is a refined combination of modern minimalism and traditional cast iron strength. Designed with a clean, understated form, it fits seamlessly into both contemporary and classic interiors while delivering reliable everyday heating performance.

Built from high quality cast iron, the K12 offers excellent heat retention and long lasting durability. Its solid construction ensures stable performance even at high temperatures, making it a dependable heating solution for small to medium sized rooms.

As a 6kW log burner, the K12 provides consistent and efficient warmth, continuing to release heat long after the fire has reduced. This makes it an energy efficient option for homeowners seeking to reduce fuel use while maintaining a comfortable living environment.

Inside, the combustion system is designed for high efficiency performance, with a post combustion process that helps extract more energy from the fuel while reducing emissions. This supports cleaner burning and improved overall efficiency, making it a responsible eco conscious heating choice.

A dual air control system allows precise regulation of the burn process, with separate controls for primary and secondary air. This ensures optimal combustion, easier operation, and better control over heat output depending on room conditions.

The stove is fully compliant with Ecodesign requirements and meets strict European emission standards, ensuring low environmental impact and efficient fuel use. It is also compatible with modern homes that utilise heat recovery ventilation systems.

Heat resistant ceramic glass, rated up to 660°C, provides a clear and safe view of the flames while maintaining long term durability. A deflector system and triple air supply further improve combustion efficiency by extending the flue gas path and promoting cleaner burning.

Practical features include adjustable feet for stable installation on uneven surfaces, an external air intake connection for improved airflow, and a top flue outlet for straightforward installation. The simple, minimalist design ensures it remains visually clean while still offering full functionality.

Combining robust cast iron construction, efficient heating technology, and modern minimalist styling, the KOZA K12 is a reliable 6kW wood burning stove designed for homeowners seeking performance, durability, and understated design in one compact unit.

General data
  • Nominal power (kW) 6
  • Heating power range (kW)
  • Thermal Efficiency (%) 82.5
  • Flue gas temperature (oC) 233
  • Max billet length (cm) 30
  • Minimum required active area of inlet grilles (cm2)
  • Minimum required active field of outlet grilles (cm2)
  • diameter of the flue gas outlet 100
  • Air intake diameter (mm) 100
  • COLOUR
  • CLOSING
  • Materials Cast iron
Energetic efficiency
  • Energy class A+
  • EEI 110
  • Seasonal Energy Efficiency (%) 73
  • Heat output for space heating (kW) 6
  • CO emission (at 13% O2) ≤ given in % 0.08
  • CO emission (mg/m3) 1005
  • Pollen emission (mg/m3) 19
  • NOx emission (mg/m3) 94
  • OGC emission (mg/m3) 96
  • Flue gas mass flow (g/s) 5.2
Certifications / Compliance
  • Certificates Ecodesign, Designed for recuperation, BImSchV 2
Additional information
  • Equipment
  • FRONT
  • Fuel type Seasoned deciduous wood (humidity ≤20%)
  • Number of pieces in a package.
  • EAN 5903751399971
Physical parameters
  • Width (cm) 38.8
  • Height (cm) 86.6
  • Depth (cm) 40.31
  • Weight (kg) 102.17

Warranty

All products sold by Halcyon Fireplaces are brand new and supplied by Halcyon Fireplaces as an authorised retail partner of KRATKI.

Eligible products are supplied with the applicable KRATKI manufacturer warranty, subject to the manufacturer’s official warranty terms and any product-specific exclusions.

KRATKI provides:

  • A 5-year manufacturer warranty covering the proper functioning of the fireplace or stove from the date of purchase.
  • A 1-year manufacturer warranty covering fireplace grates and seals.

The manufacturer warranty does not cover heat-resistant ceramics, including fireplace glass, except where otherwise stated in the applicable warranty terms.

To maintain the validity of the manufacturer warranty, the appliance must be installed, operated and maintained in accordance with the manufacturer’s instructions and all applicable UK building, ventilation and chimney regulations.

Halcyon Fireplaces will assist customers with valid warranty claims and, where appropriate, liaise with KRATKI on the customer’s behalf.

The manufacturer warranty is provided in addition to, and does not affect, your statutory rights under UK consumer law.

Returns and Refunds

At Halcyon Fireplaces, we want you to be satisfied with your purchase. Due to the size, weight and specialist nature of fireplaces, returns must be handled carefully.

To request a return, please contact us within 30 days of delivery.

For online consumer orders, your statutory cancellation rights include the right to notify us that you wish to cancel within 14 days of receiving the goods. You then have a further 14 days to return the goods.

Returned items must be kept in good condition and, where reasonably possible, returned with their original packaging, pallet and protective materials.

Fireplaces that have been installed, connected, used or damaged after delivery may not be eligible for a change-of-mind return. This does not affect your rights where goods are faulty, damaged on arrival, incorrectly supplied or not as described.

Halcyon Fireplaces can arrange collection from your property at a pre-agreed date. The cost of collecting a non-faulty change-of-mind return will be confirmed before collection and may be deducted from the refund where permitted by law.

No collection charge or restocking charge will apply where goods are faulty, damaged on arrival, incorrectly supplied or not as described.

Where returned goods show handling beyond what would reasonably be permitted when examining them in a shop, we may make a lawful deduction for any reduction in value.

Refunds

Refunds will be processed after the returned goods have been received or collected and inspected.

Refunds will be made to the original payment method.

Where the statutory cancellation right applies, refunds will be issued within 14 days of receiving the returned goods or receiving acceptable evidence that the goods have been returned.

Where applicable, the original standard delivery charge will also be refunded. Additional charges paid for an enhanced or expedited delivery service are not refundable beyond the cost of standard delivery.

Banks and card providers may take additional time to display the refunded amount.

Important Notes

Fireplaces are heavy and are often delivered on pallets. For safety and to reduce the risk of damage, we recommend using the collection service arranged by Halcyon Fireplaces.

Any collection cost or deduction will be explained clearly before the return is completed.

Nothing in this policy limits or excludes your statutory rights.

FREE standard UK delivery is available on orders over £300. Orders below £300 are charged £10.

Most fireplaces are delivered on a pallet using a kerbside delivery service. The driver will unload the order to the nearest safe and accessible point outside the property but cannot move the fireplace inside.

Most orders are dispatched within 3–5 working days unless a different lead time is shown on the product page. Deliveries are normally made Monday to Friday between 9:00am and 5:00pm.

Please make sure there is suitable vehicle access and that someone is available to accept the delivery. Additional charges may apply for missed deliveries, unsuitable access or late changes to delivery arrangements.

Smaller items and accessories may be sent separately by Royal Mail, Parcelforce or another suitable courier.

For full delivery terms, access requirements and important information, please visit:

https://halcyonfireplaces.co.uk/delivery-information/

Nothing in this information affects your statutory consumer rights.

Why Shop With Us

Why Choose Halcyon Fireplaces?

Genuine KRATKI Products

Authentic fireplaces and accessories supplied through an authorised KRATKI Retail Partner.

UK-Based Business

Based in Hertfordshire with knowledgeable UK customer and technical support.

Secure Payments

Shop confidently using trusted and encrypted payment methods.

Fast UK Delivery

Reliable nationwide delivery with clear updates throughout your order.