Updated on December 26, 2023


Created on August 27, 2015

Mitticool Clay Refrigerator

Upcoming Update

Mitticool is a clay-based evaporation refrigerator that does not require electricity.

Developed By
  1. MittiCool
Content Partners


Product Description

Mitticool is a natural refrigerator made entirely from clay to store vegetables, fruits, milk and also for cooling water. It provides natural coolness for stored materials without requiring any electricity or any other artificial form of energy. It is composed of various clay chambers, water from an upper chamber drips down the sides of the unit and evaporates, thereby removing heat from the inside out.

Target SDGs

SDG 2: Zero Hunger

SDG 12: Responsible Consumption and Production

Market Suggested Retail Price


Target Users (Target Impact Group)

Household, Community

Distributors / Implementing Organizations

Mitticool is looking for partners or distributors for their products outside of India as well. Their products are currently available in more than 300 offline stores across India.

Competitive Landscape

Direct competitors include Zeer Pot.

Manufacturing/Building Method

Produced at Mitticool's small factory. It takes 10 people to make a Mitticool fridge in one day.

Intellectural Property Type


User Provision Model

MittCool is sold in more than 300 local stores across India and can be ordered online.

Distributions to Date Status

5000 units have been sold as of October 2013. Interview with representative

Storage capacity (L)


Time to cool (hr)


Cooling retention (hr)

120 to 168 hours (5-7 days)

Temperature control


Minimum internal temperature (°C)

7 Interview with representative

Materials of construction

Terracota clay

Protection from insect entry

Yes Interview with representative

Refrigeration cycle catalyst


Design Specifications

Design specifications:

  • MittiCool is made of porous, terracotta clay.
  • It is composed of various clay chambers: water from an upper chamber drips down the sides of the unit and evaporates, thereby removing heat from the inside out.
  • While the upper chamber is used to store water, food may be stored in the lower compartment, comprised of two shelves. The first shelf can be used for storing vegetables and fruits, and the second shelf can be used for storing milk, meat and other foods.

Product Schematics

Technical Support

Technical specifications and instructions can be found on the manufacturer's website.

Replacement Components

Because it is monolithic in design, there are no replacement components except for replacing the whole unit.


The manufacturer claims that the product is durable and long lasting.

Manufacturer Specified Performance Parameters

Performance targets:

  • Mitticool does not require electricity.
  • It increases the shelf life of perishable food items in comparison to storing at room temperature.
  • Modern design
  • Naturally cool vegetables, fruits, milk,water etc.
  • Very easy to use
  • Variety of health benefits

Vetted Performance Status

During testing, the shelf life of coriander was extended by 4 days as against 1.5-2 days in room temperature. Shelf life of vegetables like brinjal, chilly & okra was increased on an average by 5-6 days vis-à-vis room temperature.


No known safety hazards.

Complementary Technical Systems

Mitticool company also offers various products for the public.

Academic Research and References

Haldar, Stuti. Opportunities and Challenges for Green Entrepreneurship: Case Studies in India. Sustainable Development in India: Emerging Scenarios and Concerns (2019): 81.

Hossain, Mokter. Adoption of open innovation by small firms to develop frugal innovations for inclusive development. In Researching Open Innovation in SMEs, pp. 115-135. 2018.

Compliance with regulations

Manufacturer claims to have received ISO certification.

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