SunWorks Solar Food Dryer
Eben Fodor - Sunworks
Compact, portable, 2 tray solar dryer completely powered by solar energy with a weatherproof design for a long life of regular use.
Similar convection/radiation tray type cabinet models have been implemented by NGOs, but no verification yet on whether SunWorks product itself has been deployed through other organizations. It is currently available online as a ready-to-assemble kit from SunWorks.
$349 USD (Within the U.S., entire kit, complete and ready to assemble with instructions)
Additional $100 – $200 USD for international orders.
Instructional books: The end user can also build this SFD from plans provided in “A Mother Earth News Wiser Living Series” book by Eben Fodor titled, “The Solar Food Dryer: How to Make and Use Your Own Low-Cost, High Performance, Sun-Powered Food Dehydrator” available on Amazon.com from $8.52 – $12.77 or at New Society Publishers’ website for $14.95.
Alvan Blanch SD22-(X) solar drier, Hanging Food Pantrie – Solar Food Dehydrator,
DIY consumers and sustainable living enthusiasts primarily in the North American market. Two cases on the website also reference users in Zimbabwe and New Zealand.
Individual (by end user). Various manufacturer-provided components – method unknown.
Other: no IP indicated, but plans available for purchase at $8.52
The SunWorks Solar Food Dryer Kit for assembly can be purchased online through Google Checkout at the SunWorks website. International orders outside of the U.S. are urged contact SunWorks to discuss logistics.
The end user can also build this SFD from plans provided in “A Mother Earth News Wiser Living Series” book by Eben Fodor titled, “The Solar Food Dryer: How to Make and Use Your Own Low-Cost, High Performance, Sun-Powered Food Dehydrator” available on Amazon.com for $8.52 – $12.77 or at New Society Publishers’ website at: http://www.newsociety.com/Books/S/The-Solar-Food-Dryer for $14.95.
Brief installation instructions are available on SunWorks’ website, however they do not provide detailed instructions on installation.
The Sunworks™ Solar Food Dryer uses a unique “Z-Flow” airflow pattern to greatly improve performance and drying speed. This airflow is powered by the buoyancy of warm air in the dryer, referred to as natural convection or the solar fan.
• The complete wood cabinet ready to assemble
• All hardware, handles, vent adjuster, and fasteners
• Solar glazing with aluminum frame
• Two sturdy aluminum screen frames
• SunScreen™ polypropylene screens
• Aluminum absorber plate, powder-coated flat black, cut and drilled to fit
• Screen material for all vent openings
• A large-dial thermometer for monitoring drying temperature
• Assembly instructions and operating tips
Dimensions (LxWxH) (cm): 76 x 68.5 x 71
Non-toxic components. Polypropylene screens on which food is placed during drying have a shorter usable life and may require replacement at some interval determined by frequency of product use.
Absorber plate is rust-free, black powder-coated, heavy-duty aluminum.
Aluminum screen frames are sturdy, lightweight, easy to load and clean, and won’t rust.
SunScreen™ polypropylene screens with high-quality polycarbonate glazing has 10-year manufacturer warranty for outdoor use.
• Dries herbs in 3 hours
• Delivers maximum drying performance from 100% solar energy and gets food as dry as you like
• Dries up to 6 pounds of food with just one or two days of sunshine
• Easy to use; easy to move around; easy to store
• The clear solar glazing blocks all ultraviolet rays, while transmitting solar energy from the visible and infrared spectrums
• Easily control drying temperature with adjustable venting controls
Some low burn risk from handling hot trays.
Electric backup heating using incandescent electric lightbulbs.
• 2 compact, surface-mounted, porcelain light fixtures
• 2 – 200 Watt incandescent, general purpose light bulbs
• 3 feet of 16-gauge lamp cord and plug (cut from 6-ft. black or brown extension cord)
• 4 – 1-inch-long, #8 pan-head metal screws for mounting fixtures
• Small package of 16-guage, spade type, wire terminals (6 needed)
Stiling, J., Performance evaluation of an enhanced fruit solar dryer using concentrating panels. Energy for Sustainable Development. 2012 Mar 31;16:224-230.
Janjai, S., Greenhouse type solar dryer for small-scale dried food industries: development and dissemination. International Journal of Energy & Environment. 2012;3(3):383.
Leon, M., Kumar, S., Bhattacharya, S., A comprehensive procedure for performance evaluation of solar food dryers. Renewable and Sustainable Energy Reviews. 2002 Aug;6(4):367-393.
Singh, S., Kumar, S., Solar drying for different test conditions: proposed framework for estimation of specific energy consumption and CO2 emissions mitigation. Energy. 2012 Feb;51:27-36.
Singh, S., Kumar, S., Development of convective heat transfer correlations for common designs of solar dryer. Energy Conversion and Management. 2012 Sep;64:403-414.
Exterior plywood cabinet of product is formaldehyde-free and meets California Air Resources Board (CARB)-Phase 2 standards
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