Stove selection criteria Presentation made at the Malawi PCIA Stove Camp 2012 20th March 2012 Magi N Matinga Johannesburg South Africa

Discussion How did you choose the stove you are promoting or planning to? Courtesy: http://improvedstoves.blogspot.com/

Discussion What dominant selection criteria do we observe? How might this affect program outcomes? Courtesy: http://improvedstoves.blogspot.com/

Selection Criteria: Technical proposal Efficiency Combustion efficiency - How completely fuel is burnt Heat transfer efficiency – How much heat is actually transferred to do the work Fuel consumption Fuel burn rate Time to boil /speed of cooking Emissions – particulate matter Turn down ratio (Control efficiency)

Selection criteria: Social proposal Is better than baseline option Ease of use Durability Flexibility Fuel tolerance Fuel processing

Selection criteria: Social proposal Quantum leap? Aesthetics Maintenance Safety User and beneficiary preferences - Taste of food, position when cooking (risk of change/trade offs) User burden Cultural issues

Selection criteria: Economic proposal Affordability - Cost to user Perceived/relative affordability Cost of fuel

Selection Criteria: Pragmatic programmatic issues Is it a practical stove? Supply chain configuration Support for competency*

Social and economic criteria can be elusive Social and economic criteria can be elusive. You will find them by asking the right questions! Courtesy: http://improvedstoves.blogspot.com/

Social criteria is a moving target! Keep up people!!! Courtesy: http://improvedstoves.blogspot.com/

Questions? Courtesy: http://improvedstoves.blogspot.com/

Unless stated, all pictures are courtesy of M. N Matinga Unless stated, all pictures are courtesy of M.N Matinga. Express permission is required before reproduction and/or use