Jon Bohmer
  • Nairobi
  • Kenya
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  • Andrew Amadi
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  • Brendan O.A. Harding
  • Ernest Ming
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Profile Information

What is the name of your company or organisation?
Kyoto Energy Ltd.
What is your position in your company or organisation?
Managing Director
What does your company of organisation do?
Design and manufacture of cost effective solar energy products.

Kyoto Box solar cooker
Kyoto Bag solar water heater bag
Kyoto Flash light
Kyoto Turbo smokeless bio stove

SunTrap solar water heaters
Butterfly solar concentrators
In which African countries does your company or organisation operate?
Kenya, soon South Africa (also active in Indonesia)
What is your website?

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Comment Wall (26 comments)

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Join Africa Sustainable Energy & Environment Platform

At 11:08pm on June 3, 2012, Suza Adam said…

On the 17th & 18th October 2012 the second Clean Technology business and investment matchmaking conference for the African continent is to be held at the Killarney Country Club, Lower Houghton South Africa.

Called Viridis Africa, the event is dedicated to entrepreneurs and corporates who are seeking funding to introduce clean technology solutions and services.

Principals who would present their business opportunities at this event would have the audience of numerous local and foreign investors, stratified according to their interest and investment criteria.
Investors would include venture capital, private equity, project and corporate finance outfits and others dedicated to the clean tech sector. They would also include North American, European funding agencies, major Asian industrial conglomerates, technology specific investment funds and major companies who seek strategic alliance and acquisitions.

Visit for more information, or contact


At 10:27am on October 18, 2011, jamie qiu said…

Dear John:

We are a Chinese manufacture of high quality solar lanterns

Our solar lanterns passed CE,ROHS,FCC testing, with one year of guarantee.

It has cell phone charging and radio functions;has two settings of brightness, the light source is super-bright imported Epistar LEDs, can be used as reading light or living room light;it is portable, convenient and simple to use, no any professional knowledge about solar energy is required.

It’s really good for the rural or remote areas where grid electricity is inaccessible.


Should you have any interests, please feel free to contact us:


Thanks & Best wishes,


Jamie Qiu

Sales Manager

Brighter Light Int'l Ltd




At 1:25pm on January 22, 2010, Brendan O.A. Harding said…
Hello Jon,
we spoke briefly here about doing an article for Irish newspapers on the Kyoto Box. I will be in Kenya from March 28th until April 14th and will most likely spend the night of Wednesday 31st in either Thika or Mwingi. I wonder would it be convenient if we could meet for a short interview? I won't take much of your time.
Brendan Harding
Travel/Features Writer
At 6:07am on November 6, 2009, Ng Zhimao said…
Dear Jon,

Salvo Global has launched a Masterclass that targeted at Engineers and other technical staff who do not have formal training in financial management, but who require a better understanding of the concepts of cost management and capital project evaluation. In addition, the related concepts of profits, assets, productivity and profitability will be addressed.

We really wish Engineers or Technical experts like you could spare time to attend this Masterclass

For more information

With Regards

Ng Zhimao
At 3:38pm on August 2, 2009, CLIVE RICHARDSON said…
I have contacts at Bandung Uni Indonesia and more across all SE Asia.
At 5:28pm on July 22, 2009, Brendan O.A. Harding said…
Hello Jon,
I help run an eye-testing program near the village of Nuu (not far from Mwingi) and have discussed a trial program for the Kyoto Box with our partners from a religious community.
The way I see it is this; the religious community involved have projects running all over the world in areas of great need - ideal locations for the Kyoto Box to benefit communities to their utmost. I have said that on my next visit I will source samples for them to distribute through their communities and it will then be in their hands how to proceed.
Anything which stops deforestation in Kenya and other places has to be good.
I'm sure you've been asked a million times but here it goes again... where can I get hold of the boxes in Nairobi or elsewhere?
Many thanks
Brendan O.A. Harding
At 6:13pm on June 12, 2009, Lewis Chisholm said…
It seems so in the short run but long term, if there is a significant net positive production of electricity while using the roofs of the houses in a neighborhood, lets say,to produce it, the cost would be spread out over a very long period into the future.
Wind mills are a producer of electricity, indirectly from the sun, but that is all they do.
The long term transition to fully solar electricity is, in my mind, comming soon so I will continue working on incorporateing it into our daily lives.
Thank you for your insight / best of success for the future.
At 11:22pm on June 11, 2009, Lewis Chisholm said…
Thanks Jon for commenting back.

Well the Idea I have been experimenting with came about in an interesting way.
My son & I built a 200 square foot storeroom on our farm & since we as a company distribute & install window film (Tinting), we decided to make the roof out of glass & put the Silver film ,that rejects 80% of the suns heat, on the glass roof. The building was great but got too hot, so we decided to put sides on the glass roof & keep water up on top of the roof like a shallow fishtank for a roof. It did make the room cooler but we noticed how hot the water got.
The idea that has precipitated out of this is to build a system of these shallow fish-tank like structures with a layer of silver mirrow film on the outside layer of the glass followed by a completely black layer on the outside of the silver layer. These layers reflect the sunlight back into the water & the light that goes through the silver film will be absorbed & radiated back into the water by the completely black layer of window film.
The different chambers of the system would become increasingly shallow so as to allow the water to step up in temp. all the way to boiling by going into successively shallower pools. This super hot water would then be stored in a highly insulated tank & used in a micro steam turbine which would use electricity from the grid to run the turbine but would pump more electricity back into the grid than it used during the final heating of the water in the micro steam turbine.
In this way, the rooftops of buildings can be used to create electricity.
The maintaining of the water on the roof also makes the building much easier to heat or cool.
Thats it in a nutshell.
At 4:03pm on June 9, 2009, Lewis Chisholm said…
I have come up with a system of converting sunlight into electricity using similar ideas to those used by you guys in your oven. It is very cheap to produce. Maybe we could team up. Do you have patents?
Lewis chisholm
At 6:08pm on May 1, 2009, Ernest Ming said…
Thanks Jon, I wrote back to your email.

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