Goodrej with Innosight
$51-69 USD Buyers can pay extra for customized styling.
Wakati, Thermogenn Cooler (CoolChurn)
Goal 2: improve food security and nutrition and prevention of gastrointestinal issues due to poorly preserved food.
This product is typically aimed at home refrigeration for low income Indian households looking to store fruits and vegetables.
Mass produced with customization options.
Over 100,000 were sold by 2012.
ChotuKool is a portable, is a CFC-free, fan-cooled thermoelectric cooling system with the following dimensions (wxdxh) 736 x 431 x 383 mm and weighing 7.8kg.
It has a capacity of 35L and uses high-end insulation to stay cool without power. ChotuKool doesn’t use a compressor, instead it runs on a cooling chip and a fan similar to those used in computers. It operates on 110–240V AC as the main supply. To cope with the erratic power supply in many parts of India (e.g. voltage fluctuation, frequent power cuts, or occasionally a complete lack of electrification in some remote areas), it is equipped to operate on battery or an inverter (Godrej, 2012).
The system cools up to a maximum of 28°C lower than the ambient temperature but no lower than 10°C. chotuKool cuts of the electricity and enters the sleep mode once the temperature of 10°C is achieved. chotuKool can retain cooling up to 3 hours without electricity with lid closed.
The user manual is available here.
Over 600 service locations for warranty and post-warranty support.
Available from service locations.
380 day (approx. 1 year) warranty.
ChotuKool consumes half the energy used by regular refrigerators and uses no compressor or refrigerant. It is suitable for cooling food and beverages, and keeping vegetables, fruits, dairy, and so on, fresh. The system cools up to a maximum of 28°C lower than the ambient temperature but no lower than 10°C. chotuKool cuts of the electricity and enters the sleep mode once the temperature of 10°C is achieved. chotuKool can retain cooling up to 3 hours without electricity with lid closed.
Hamburg University of Technology (TUHH), Institute for Technology and Innovation Management.
As chotuKool comprises of many recyclable materials, it is advised to consult authorised service providers or Godrej authorised dealers before disposing chotuKool or its parts. Place the packaging material in the appropriate recycling waste bins, wherever possible.
Battery or an inverter
None indicated. The design has been adapted and adjusted to local standards in India. Applicable international standards are unknown.
Manufacturer testing of cooling duration and increase in shelf life of perishable items.
The early success of ChotuKool has led to many awards for its manufacturer, Godrej.
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