National Restaurant Chain - Fridgewize
16045
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National Restaurant Chain

FridgeWize engaged a national restaurant chain to thoroughly analyze their refrigeration system and provide solutions that would drastically reduce the system’s energy usage.

 

The restaurant chain 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 the restaurant chain’s refrigeration system. Energy monitoring lasted for eight 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 45%, including an 85% reduction in motor consumption.

 

Issues Identified:

• Walk-in refrigeration unit contained inefficient shaded pole motors operating constantly 365 days a year

• Fans operate as single speed of 1800 RPM

Solutions Implemented:

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

• Reduced fan speed when compressor is off to approximately 800 RPM

 

Results:

FridgeWize is proud to report the savings results achieved with energy monitoring were well above the projected savings. In our proposal for the restaurant chain, we projected that we would save 2817kWh annual, which translates to a $197.21 annual savings on their utility bill using a 6 cent KWH rate. According to the energy monitoring study, the restaurant chain should expect to save 3,511 kWh annually or $245.80 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 151.1 kWh per week to 83.57 kWh per week. That represents a total reduction of 45% reduction in refrigeration electricity usage!

NatlRest

 

 

FridgeWize Motor Retrofit 

The figure below represents energy consumption by inefficient motors compared to FridgeWize EC Motors. The image displayed is a visual reference of the decrease in kWh when FridgeWize EC Motors are installed.

MotorRetrofitGraph