| Description
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A refrigerator (colloquially fridge) is a common household appliance that consists of a thermally insulated compartment and a heat pump (mechanical, electronic, or chemical) that transfers heat from the inside of the fridge to its external environment so that the inside of the fridge is cooled to a temperature below the ambient temperature of the room. Refrigeration is an essential food storage technique in developed countries. Lower temperatures in a confined volume lowers the reproduction rate of bacteria, so the refrigerator reduces the rate of spoilage.
Electrical refrigerators are available for low voltage power supply (12 or 24 VDC), designed for the decentralized application with photovoltaics.
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| Technology for the Application of
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| ☑ Solar
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☐ Biomass
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☐ Biofuel
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| ☐ Biogas
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☑ Wind
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☐ Geo-Thermal
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| ☐ Hydro
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☐ Energy Efficiency
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| ☐ Other: /
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| Primarily Relevant for the following Agricultural Value Chain Steps
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| ☐ Mechanization
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☐ Efficiency of Operation
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☑ Processing
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| ☐ Transportation
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☐ Controlled Atmosphere
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☐ Controlled Temperature
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| ☐ Mechanical Sorting
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☐ Preservation
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| ☐ Other: /
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| Primarily Relevant for the following Agricultural Value Chain Activities
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| ☐ Grinding
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☐ Hauling and conveying
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☐ Sorting
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| ☐ Seedbed Preparation
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☐ Milling
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☐ Tearing
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| ☐ Planting
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☐ Washing
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☐ Mixing
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| ☐ Pumping
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☐ Heating
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☐ Drying
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| ☐ Irrigation
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☑ Cooling
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☐ Animal feeding
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| ☐ Fertilizing
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☐ Venting
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☐ Animal health and Welfare
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| ☐ Pest Management
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☐ Lighting
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☐ Packing and branding
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| ☐ Cutting
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☐ Sanitation
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| ☐ Other: /
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| Primarily Implemented in the following Commodity Groups
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| ☐ Cereals
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☐ Fruits and vegetables
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☐ Nuts and berries
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| ☐ Forage
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☐ Dairy products
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☐ Meat products
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| ☐ Oil Seeds
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☐ Roots and Tubers
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☐ Eggs
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| ☐ Pulses
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☐ Fiber Crops
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☐ Forestry
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| ☐ Sugars
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☐ Stimulants
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☐ Spices
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| ☑ Other: All commodity groups with refrigeration requirements
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Region & Country of
Development
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Worldwide
☑ Africa
☑ South Asia
☑ East Asia & The Pacific
☑ Europe & Central Asia
☑ Latin America & The Caribbean
☑ Middle East & North Africa
☑ North America
☐ N/A: /
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Region & Country of
Current Deployment
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Worldwide
☑ Africa
☑ South Asia
☑ East Asia & The Pacific
☑ Europe & Central Asia
☑ Latin America & The Caribbean
☑ Middle East & North Africa
☑ North America
☐ N/A: /
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Region & Country of
Potential Deployment
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Worldwide
☑ Africa
☑ South Asia
☑ East Asia & The Pacific
☑ Europe & Central Asia
☑ Latin America & The Caribbean
☑ Middle East & North Africa
☑ North America
☐ N/A: /
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| Manufacturers
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Sundanzer, Dometic, Novakool, Crystal Cold, Sunfrost
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| Economics
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Prices are relatively high;
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| Technology Development Level
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Worldwide use; Decentralized applications in boats, caravans and off-grid;
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| Required Maintenance Technical Level
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Medium: Technology to be maintained through its life cycle requires less common tools and/or training is required for maintenance; Repairing of the refrigerant cycle requires special tools and trained people;
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| Required Infrastructure for Deployment
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Further development of sales and distribution as well as technical support structures;
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| Required Resources during manufacture
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Metals, plastics, chemicals, electronics;
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| Required Resources during operation
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Refrigerant, electricity;
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Deployment
Level
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Worldwide use;
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| Deployment Capability and Potential
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The technology can be widely deployed limited only by education;
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| Requirements for Deployment
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Education, local manufacturing, sales and distribution as well as technical support structures;
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| Relevance for Autonomy and Food Security
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Energy independent: operates with onsite renewables, requires supporting tech and services
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| Environment Impacts (emissions)
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Low: no direct emissions but indirect emissions; Risk of release of refrigerant;
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| Conformity with Bio- Cybernetic System Rules
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| Additional information / Comments
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No comments.
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| Internal Reference
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| Additional Links
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http://www.sundanzer.com/
http://www.sunfrost.com/refrigerators_main.html
http://www.backwoodssolar.com/products/appliances-home-goods/refrigerators-freezers
http://www.solartown.com/store/catalog/solar-fridges-and-freezers/
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