Updated on December 26, 2023

·

Created on September 11, 2019

CoolBot Walk-in Cooler

Upcoming Update

The CoolBot Walk-in Cooler is a large refrigeration unit with a standard air conditioner using a CoolBot controller to achieve low temperatures (0°C) to store fresh commodities.

Developed By
  1. CoolBot
Tested By
  • CDH Energy Corp
Content Partners
Unknown

Author

Product Description

The CoolBot Walk-in Cooler is a large storage room which has been transformed into a refrigeration room by equipment of CoolBot gadget and a standard air conditioner (AC). The CoolBot controller has been designed to trick the AC into operation at much lower temperature than indoor temperatures. The controller also tracks frost buildup on the coil and periodically stops the AC, allowing time for defrosting. The concept achieves low enough temperatures (0°C) allowing storage of perishable commodities.

Target SDGs

SDG 2: Zero Hunger

SDG 9: Industry, Innovation and Infrastructure

Market Suggested Retail Price

$4,200.00

Target Users (Target Impact Group)

Household, Small and Medium-sized Enterprises

Distributors / Implementing Organizations

UC Davis Horticultural Innovations Lab, Feed The Future  and TEDxNairobi

Competitive Landscape

Direct competitors include Cold Hubs and Solar Powered Cold Room.

Manufacturing/Building Method

This product is mass produced in the US.

Intellectural Property Type

Patent

User Provision Model

Users can obtain this product by making an order from the manufacturer or get it from humanitarian organizations.

Distributions to Date Status

90,000

Storage capacity (L)

Dependent on storage needs, varying from 6′ x 8′ x 8′ to 10′ x 14′ x 8′

Time to cool (hr)

Approximately 2 hours

Cooling retention (hr)

Unknown

Temperature control

Yes

Minimum internal temperature (°C)

0°C

Materials of construction

Room’s insulation is made of at least 4″ of styrofoam in walls, ceiling and floor (minimum insulation value of R-24).

Protection from insect entry

Yes

Refrigeration cycle catalyst

Unknown

Design Specifications

The CoolBot Walk-in Cooler is a well insulated room equipped with a CoolBot controller and a standard air conditioner (AC). The controller overrides the AC tricking it to give low temperature without ice forming on the AC coils, by automatically switching it (AC) on and off, allowing time for defrosting. The controller has control nobs with which one can set desired minimum temperature. The size of the unit varies dependent on the user as shown below: These figures are for a 38 °F (3.3 °C) room, opened no more than 4 times per hour.

Dimensions of the Walk-In Cooler Size of Air Conditioner
6' x 8' x 8' 10,000 BTU
8' x 8' x 8' 12,000 BTU
8' x 10' x 8' 15,000 BTU
8' x 12' x 8' 18,000 BTU
10' x 14' x 8' 24,000 BTU

Product Schematics

Technical Support

Provided by the manufacturer

Replacement Components

Air conditioner and compressor

Lifecycle

The product includes a 1 year warranty and has an expected lifetime of 5 years.

Manufacturer Specified Performance Parameters

The designer specified performance targets include: low-cost, easy to install and operate.

Vetted Performance Status

Testing performed by CDH Energy Corp determined low temperature (0°C) and reduction in cost of building and operation by 40%.

Safety

There are no known safety hazards related to the use of this product.

Complementary Technical Systems

The system requires electricity to run.  

Academic Research and References

Compliance with regulations

The product is certified by Safety Standards and the Appliance and Equipment Standards Program in the US.

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