SunChill: Solar Cooling for Horticultural Preservation

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Last modified by Simone Fehrenbach on 2015-07-21. This is a wiki so please feel free to update information by clicking on "Edit with form".

Project title

SunChill: Solar Cooling for Horticultural Preservation

Project country/region

☐ East Asia & Pacific
☐ Europe & Central Asia
☐ Latin America & The Carribean
☐ Middle East & North Africa
☐ North America
☐ South Asia
Sub-Saharan Africa - Mozambique

Project organisation

Rebound Technology

Project description


SunChill is a novel, off-grid refrigeration solution enabling increased agricultural productivity by: (i) Removing field heat from crops immediately following harvest, and (ii) Providing continued product cooling at local markets and/or central processing facilities. This clean energy solution transforms 50°C solar thermal energy into 10°C refrigeration using water-based refrigerants, zero electricity and local, non-precision components. These characteristics enable production of a low cost, low-maintenance technology that reduces spoilage and benefits smallholder farmer livelihoods.


SunChill is one of the first developing world technologies that reliably removes field heat without a high-cost electrical supply. The low-cost system enables increased horticultural production both for domestic and export consumption, generating additional income for smallholder farmers and increased access to nutritional fruits and vegetables while generating both manufacturing and service based employment.


Rebound Technology develops tailored refrigeration technologies designed to meet global energy market dynamics while reducing fossil fuel dependence. To successfully design, build and deploy SunChill technology, Rebound will leverage critical partnerships. The Energy Institute’s (Colorado State University) product development experience will support R&D, TechnoServe’s business solutions focus will drive host nation outreach/support, and Mozambique Organicos research farm will provide the primary venue for SunChill deployment and in-field testing.

Rebound Technology participated successfully in the PAEGC Initiative ( and was with its project 'SunChill: Solar Cooling for Horticultural Preservation' among the winners of 2013

Project related to following sources of energy


☐ Biomass

☐ Biofuel

☐ Biogas

☐ Wind

☐ Geo-Thermal

☐ Hydro

☐ Energy Efficiency

☐ Other: /

Project primarily related to the following Commodity Groups

☐ Cereals

☐ Fruits and vegetables

☐ Nuts and berries

☐ Forage

☐ Dairy products

☐ Meat products

☐ Oil Seeds

☐ Roots and Tubers

☐ Eggs

☐ Pulses

☐ Fiber Crops

☐ Forestry

☐ Sugars

☐ Stimulants

☐ Spices

☐ Other: /

Project primarily related to the following Agricultural Value Chain Steps

☐ Mechanization

Efficiency of Operation

☐ Processing

☐ Transportation

☐ Controlled Atmosphere

☐ Controlled Temperature

☐ Mechanical Sorting


☐ Other: /

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