KJJ SHELL - Fridgewize
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KJJ Shell

FridgeWize engaged KJJ Shell to thoroughly analyze their refrigeration system and provide solutions that would drastically reduce the system’s energy usage.


KJJ Shell requested testing be done to prove the accuracy of the energy savings projected by FridgeWize in their free audit proposal. FridgeWize obliged by installing independent energy monitoring devices to measure the impact of FridgeWize products on KJJ Shell’s refrigeration system. Energy monitoring lasted for three weeks. The first week was used to establish a baseline for the existing energy consumption of the refrigeration system.


This case study details the results obtained from the energy-monitoring project. The results show that FridgeWize energy solutions effectively reduced aggregate refrigeration energy consumption by 55%, including an 87% reduction in motor consumption and a 91% reduction in anti-sweat heater


Issues Identified:

• Walk-in refrigeration unit contained inefficient shaded pole motors operating constantly at a single speed

• Anti-sweat heaters were operating at an unnecessary operating percentage of 100%

Solutions Implemented:

• Exchange all current walk-in motors from inefficient shaded pole motors to highly efficient FridgeWize EC motors.

• Turn off anti-sweat heaters in frozen door reach-ins when heating is not required by installing FridgeWize Anti-Sweat Heater Controls (ASHC)



FridgeWize is proud to report that their projected savings came within 3% of actual savings as reported by energy monitoring. In our proposal for KJJ Shell we projected that we would save them 17,538 kWh annual, which translates to a $1,277.66 annual savings on their utility bill. According to the energy monitoring study, KJJ Shell should expect to save 17,363 kWh annually or $1,215.38 savings on their utility bill.


This report illustrates that FridgeWize offers refrigeration energy solutions that will drastically reduce their customer’s monthly utility expense. FridgeWize reduced total refrigeration system consumption from 86.12 kWh per day to 38.55 kWh per day. That represents a total reduction of 55.2% reduction in refrigeration electricity usage!




FridgeWize Motor Retrofit

The figure below represents energy consumption by inefficient motor compared to FridgeWize EC Motors. The image was displayed by eGauge energy monitoring for KJJ Shell between September 14th and September 24th of 2012.



FridgeWize ASHC Installation

The figure below illustrates energy consumption by anti-sweat heaters before and after FridgeWize Anti-Sweat Heater Controllers were installed. The image was displayed by eGauge energy monitoring for KJJ Shell between September 14th and September 24th of 2012.