Evaporative Cooling Chambers

Susanta K. Roy and D.S. Khuridiya

ECCs are large storage units made from local materials that keep vegetables and fruits at lower temperatures.

Product description Brand name and product description

Evaporative cooling chambers (ECCs), also known as “zero energy cool chambers” (ZECCs), are simple and inexpensive systems that keep vegetables fresh without the use of electricity. These chambers can be made from locally available materials including bricks, sand, wood, dry grass, gunny/burlap sack, and twine.

Target region(s) Target region for distribution/implementation (listed by country if specified)

Hot and dry regions worldwide

Distributors/implementing organizations Organization(s) distributing/deploying this product directly to communities/individuals?"

Open sourced technology, locally manufactured

Market suggested retail price Price per unit or service price per usage/terms (USD). Subsidies noted.

Depends on the cost of local materials and ECC size

Competitive landscape Similar products available on the market. May not be a comprehensive listing.

Solar-powered refrigerators, charcoal coolers, Naya Celler Storage, and the smaller, household-sized Zeer Pot

SDG targeted United Nations Sustainable Development Goals (SDGs) targeted with this product/application/service

Goal 2: End hunger, achieve food security and improved nutrition and promote sustainable agriculture

Target user(s) Target user/consumer base (country, income segment)

Those who could benefit from improved vegetable storage and longer shelf life may include vegetable producers, wholesalers, retailers, and household consumers, particularly off-grid, rural communities dependent on subsistence farming. Produce spoilage causes disease and loss of income for needy farmers and venders who are forced to ‘rush sell’ most agricultural products, even though they are well aware of the negative impact flooding the market has on their profits. Even in towns and cities where erratic power supply is available, most of the urban poor cannot afford refrigerators.

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