Updated Oct 31, 2019

Chimney Solar Dryer

Part of University of California, Davis

Low-cost chimney solar dryer


Feed the future innovation lab for horticulture

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Stage 5: Scaling

Focus Areas:

Post Harvest

Post HarvestSEE LESS

Implemented In:

Bangladesh, Burkina Faso, Guinea and 5 MoreSEE ALL

Bangladesh, Burkina Faso, Guinea, Honduras, Kenya, Nepal, Tanzania and ZambiaSEE LESS

Countries Implemented In
Verified Funding


Postharvest losses during rainy season and periods after high yield growth cycles



Offers low-cost, hygienic method of drying produce to store

Target Beneficiaries

Smallholder farmers

Innovation Description

Communities around lake regions and other parts of Kenya normally experience lots of post-harvest losses in vegetables during the rainy season, when excess vegetables are produced. In Kenya drying vegetables can help preserve them for use when their demand is high but supply is low. This makes drying a better option especially among rural farmers who live below the international poverty line and cannot afford to cool as a means of fruits and vegetable preservation. Improved solar dryers have been developed and used to preserve fresh horticultural produce.

Competitive Advantage

Faster drying time compared to cabinet dryers


Jan 2016
New Country Implemented In
Guinea, Burkina Faso, Bangladesh, Nepal, Kenya, Honduras, Zambia and Tanzania