Solar Dryer


  • Brief Info Solar Dryer is a specially designed solar drying system developed for humid climatic conditions like Kerala. Unlike conventional dryers, it incorporates a vent–chimney mechanism that enables efficient removal of moisture-laden air, ensuring better and more uniform drying even in high humidity. The dryer is suitable for small farmers, SHGs, and rural enterprises for value addition of agricultural produce.
  • Salient Features:
    • Designed specifically for humid and coastal climates
    • Vent–chimney system for enhanced moisture removal
    • Faster and more uniform drying compared to open sun drying
    • Hygienic, enclosed drying chamber
    • No dependence on grid electricity
    • Tested and validated with 50+ farmers
  • Technical Specifications:
    • Drying temperature: 40–60°C
    • Energy source: Passive solar
    • Drying trays: Food-grade, removable
    • Crops dried: Coconut, spices, flowers, vegetables, bannana
    • Construction: Locally fabricated, durable structure
    • Drying time: 1–3 days (crop dependent)

Available Sizes & Cost: 1 sq. m: ₹16,000 2 sq. m: ₹25,000 4 sq. m: ₹50,000

Technology Details
Technology Received DST SEED Support Year:
Technology Development Year:
Principal Investigator: Mitraniketan
Sector Industry: 1 sq. m: ₹16,000 2 sq. m: ₹25,000 4 sq. m: ₹50,000
Organization Name: Development Alternatives
Organization Address: B-32, Tara Crescent, Block B, Qutab Institutional Area, New Delhi, Delhi 110016, Delhi, New Delhi, Pin code: 110016
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