Biomass stove from Brawijaya University

Earlier this week we met with our partner, Inotek, a ‘technopreneur’ incubator in Indonesia.

One of the technologies that they have been incubating and is now ready for market is a biomass fuel-efficient stove – the UB-03, invented by a professor from Malang, East Java. This stove uses biomass such as coconuts shells, and makes a very stable and strong fire.  It is 80% more efficient than a traditional cooking stove.

See the video below – it burns as if it is using LP gas. There is a trick in pre-heating oxygen, we were told.

We will be disseminating this great technology within Indonesia and beyond!


4 Comments on “Biomass stove from Brawijaya University”

  1. Robert says:

    This is very interesting. In kenya we use a lot of charcoal and firewood in rural setting. It is good to here more about this product and apart from using coconut shells, what else can be used?

  2. ewajoanna says:

    Hi Robert, thanks for the message. Yes, it can use other kinds of biomass, such as bamboo, corn’s left-over cobs, coffee husks and also firewood. Let us know if you have further questions at kopernik at


  3. Aisha says:

    The motivation to purchase a Biomass Stove depends on the need. The cost of replacing energy dependent equipment and appliances with energy generating systems makes financial sense in the long-run. Perfect times are when remodeling, during new construction, or when supplementing existing systems. Although they may not be significantly cheaper to run over the course of time, they do ensure cleaner emissions, better efficiency, and will provide a peace-of-mind in knowing that fuel sources will never disappear.

  4. woon says:

    Aisha, we should also be careful when we talk about costs and efficiency improvement too. To look at biomass stoves, we need to consider that the incentives that people face will determine their choices. The want often does not follow the need.

    People who do not spend money on cooking fuel are much less likely to spend money on more efficient stoves. Since their current situation is such that they spend nothing on stoves or fuel, buying a new stove will always be more expensive over any course of time.

    The trick here is making the cost to them worthwhile, or figuring out how they can pay for it in a way that doesn’t cost them.

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