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Incorporation of the company

Led by the Garciandía brothers, together with Julián Gamboa, Benigno Andueza and José Burillo, the company was formed through a notarial instrument of incorporation on 26 June 1973 and started to manufacture wood-burning range cookers


Start of the manufacture of free-standing stoves

LACUNZA decided to extend its range of products and to move into the manufacture of free-standing wood-burning stoves such as the famous Franklin model, and also the Lareira 320, Lareira 390 and Salamandra models.


Market expansion

LACUNZA started to sell its products outside Spain and to expand its market to countries such as Portugal, Italy and France.


Opening of the main offices in Alsasua

LACUNZA decided to relocate to the Ibarrea de Altsasu industrial estate due to the lack of industrial land in Lacunza.


Launch of the NERE model

The company earned its fame with the launch of the Nere insert stove. An insert that put the company on the map and was a boom for LACUNZA.


Collaboration with the NGO Behar Bidasoa

Collaboration with the NGO Behar Bidasoa, from Irun, donating wood-burning range cookers for some of the neediest in Uganda. It also collaborated in 1997 and 2021.


Establishment as an employee-owned company (S.A.L)

Lacunza was established as an employee-owned company, yet with a different format in which the Garciandía family continued to hold an important share in the company and 22 employees were incorporated as partners.


Extension of the plant in Alsasua

LACUNZA acquired Fundiciones Suarez and considerably extended its facilities in Alsasua.


Launch of the CLÁSICA

Launch of the CLÁSICA wood-burning range cooker, a lifelong cooker yet featuring cutting-edge technology, a top-of-the-range versatile cooker.


Serie Acero steel series

The initiative to design new products with contemporary, minimalist lines, led the company to manufacture free-standing and insert stoves in steel plate under the renowned Serie Acero steel series. 


New image and plant in Lacunza

On 16th December, in the town of Lakuntza, the new plant was inaugurated with 35 employees and 5,800 m2. With the inauguration of this plant, the company sought to change its corporate image and to convey a more natural and contemporary look.


Award for the best design

The STELAR wood-burning free-standing stove was awarded the best design in 2017. 
Design and technology of the highest level joined forces to construct the STELAR series, fruit of experience and innovation.



Launch of the online store

LACUNZA launched its online store for accessories and spares, designed to offer everything necessary for wood-burning appliances. In launching this new store, the company aimed to offer its customers a fast and convenient shopping experience, allowing them to find everything they need from the comfort of their own home.

Collaboration with the NGO Behar Bidasoa

Collaboration with the NGO Behar Bidasoa, from Irun, donating wood-burning range cookers for some of the neediest in Paraguay. The company had also collaborated years earlier, sending products to Uganda.


An international company

In the course of its history, Lacunza has become a leading company in the biomass heating sector and a benchmark brand in Europe. More than 60% of LACUNZA's sales revenue was already coming from exports to over 30 countries. 

Installation of solar panels

In the company's commitment to environmental sustainability, LACUNZA installed solar panels at its plants in Alsasua and Lakuntza, with an investment of €200,000.


LACUNZA has been part of each home for the last 50 years

“Part of your home, part of your life, part of your history... part of you”.

For the last 50 years LACUNZA has been part of history, part of life and part of each home in which its products are used.
125 employees.


New extension of the plant in Alsasua

LACUNZA acquired Claus due to its need for more space and in order to extend its plant in Alsasu

We’re here to help you
Do you have any doubts? Do you have a technical question or require assistance?
AEFECC is the only association that brings together manufacturers, importers and suppliers of wood burning stoves, fireplaces, cook stoves, boilers and, in general, wood burning and biomass appliances in Spain.
Combustion occurs within a closed chamber, acquiring the necessary oxygen from the outside without altering the oxygen in the fireplace.
Atmospheric power
Heat transferred to the atmosphere.
Axial fan
This is a type of fan where both the motor and the blades are mounted directly on the shaft. When the shaft and blades rotate, it produces a current parallel to the shaft.
CE Power
Average power available from the device, certified in official laboratories.
Centrifugal Turbine
A centrifugal tangential fan in which air is driven by a turbine or impeller, sucking it through the centre, expelling it through its blades parallel to its axis and exiting in a perpendicular direction to achieve greater pressure / speed with less sound.
Cleaning Access
Easy access to remove soot through a hatch (patented) Easy manual disassembly of the baffles, no tools required.
Cleanout door
They are usually cast doors without glass. They are totally opaque.
Closed stove
Completed constructed modular wood burning cook stove ready for installation.
CO emissions

A value that measures emissions of carbon monoxide, an odourless, colourless, tasteless, toxic and highly flammable gas.

Conto Térmico
An Italian regulation that encourages interventions to increase energy efficiency and thermal energy production from renewable sources for small installations.
It is called convection when heat is transmitted and creates natural air circulation in any room.
Rotating cover that allows the passage of air/smoke through a pipe to be opened/closed
A device used to divert the direction of the smoke flow before leaving the duct
Double Combustion
Technology whereby the gas from the firewood’s initial combustion is burned again. It provides greater efficiency and life for your firewood with lower consumption.
Double sided
These are fireplaces or wood burning stoves that have glass on the front and back of the fireplace in order to see the fire and get heat from both sides.
Channelling of air through ducts
Easy Fire Control
Fire control system that can regulate the optimal combustion and cleaning of the firewood appliance with one simple remote control device.
Easy To Clean
Surface treatment of the wood burning cook stoves with a high-quality enamel. Makes cleaning easy with as little as a damp cloth.
Ecodesign 2022
A European regulation (compliance with which is mandatory starting in 2022) that will require greater energy efficiency in all products and lower emissions of CO, OGC, NOx and other types of hitherto uncontrolled pollutant gases.

A European certification related to energy consumption. It grades the product based on strict sustainable criteria defined at European level and ensures that the purchased product meets the maximum sustainability requirements

Energy efficiency
This consists in the efficient use of energy. We refer to an efficient wood burning appliance when it consumes less energy than the average energy required to make it work.
Eolo System
High pressure ventilation system with centrifugal turbines and speed regulator (switchboard) to allow different rooms of the home to be heated through ducts.
External Air Inlet
Connectible system that takes air from outside the house for combustion. Suitable for low consumption housing.
Extra Clean Glass
Novel air intake system on the glass to keep it clean for longer.

An instrument or apparatus with rotating blades that drives or removes air.

Flamme Verte
Flamme Verte is a quality label for wood burning appliances in France. To obtain the Flamme Verte label, the energy and environmental performance of each device is controlled in laboratories, accredited against ISO / IEC 17025 and notified by the European Commission, whose tests give access to the CE certification.
Flow Driving
Hot air bypass system with selectable outlet. It allows for longer ducts and makes it possible to close the air outlet. Includes a turbine control unit.
Guillotine opening
A sliding door opening that pulls up and can stay hidden
Entrance that provides access to clean the cook stove, wood burning stove or fireplace.
Heat ducting
Wood burning appliances with heat ducting are those that heat the room in which they are installed and also the adjoining rooms through a duct system that distributes the heat to different spaces.
Heatable area

The square metres heated by the wood burning stove, cook stove or fireplace.

Heatable volume

The cubic metres heated by the wood burning stove, cook stove or fireplace.

Cook stoves, wood burning stoves or fireplaces that heat water in a circuit to heat the entire house in a more even and balanced way
Also known as cassette fireplaces, they are an evolution of the classic open fireplace. Specially designed to be inserted into existing holes
Set of iron pieces used to decorate or reinforce the structure of a door or another object.
An appliance, in this case for firewood, that is embedded in the wall in a single piece.
Tubular opening where the air used for combustion in the wood-burning appliance enters in or travels out through ducts to other rooms
Perfect Combustion
Optimum burning technology allowing high combustion efficiency values to be achieved. Consumes less and makes loads of firewood last longer.
Device with which the wood burning appliance’s power can be controlled.
Power range

Minimum and maximum power of the wood burning appliance or the variance in power obtained from conditions of slow and maximum combustion.


This refers to some materials’ property of being resistant to high temperatures without decomposing or storing heat.

Retractable doors
Door opening system that slides completely flush with the wall, making the doors disappear.
Safety coil
A hollow, spirally wound tube used to cool the heating device’s tun (tank) in case of overheating.
Screen printed glass
This refers to glass with the imprint of something written or drawn on it.
Silent Mode
A system allowing turbines to be shut off to enjoy complete silence.
Smoke outlet

It is the part of a wood burning appliance through which the fumes are expelled.

Tangential fan
All fans in which air flow leaves its axis in a tangential direction.
Thermal discharge valve
A valve that prevents overheating in wood-burning appliances by letting cold water pass through it toward the safety coil

A material with a high capacity for storage and thermal transmission, besides its insulating properties. It is resistant to high temperatures and is an excellent heat accumulator. Great white finish.

Total heating power
Useful heat released by the device. It is the sum of the heat released to water and the atmosphere.
A tank containing the water to be heated by fire in boilers

A novel material with excellent insulation, high strength, aesthetics and lightness. In addition, LACUNZA vermiculite uses the appropriate density, thickness and dimension for each device. This customised design for each project allows for longer lasting fires, avoiding any type of problem. It is essentially a material composed of aluminium magnesium and iron silicate.

Water power

Average power released by a heating appliance (for water) to a heating system.

Workplace stove
Wood burning cook stove requiring on site assembly with heat-resistant materials such as refractory bricks.

Relationship between the power generated in the combustion chamber relative to the heat felt in the household.