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Case Study: Lush Cosmetics Poole Manufacturing Facility

Lush Retail Ltd needed to improve internal conditions at their Hatch Pond Road factory facility in Poole, Dorset. Temperatures at floor level were uncomfortably cold as their heating system was unable to reach acceptable conditions. This also incurred high energy costs as the heating system was running constantly in an attempt to reach set parameters.

LUSH Retail Ltd contacted Airius in 2012 in order to address the uncomfortable low temperatures and expensive costs for heating at each of their factory facilities. The Hatchpond Road factory facility was chosen as a trial site due to its high heating costs and major comfort issues.

Originally it was estimated that this site would benefit from a minimum energy saving of 35%. However a far greater saving was achieved of over 60% following installation of the Airius system.

Download the full case study for Lush

Key Points:

  • ROI = 26 DAYS!!
  • 61% Energy saving on heating system
  • Heating spend pre Airius = £26,638.83
  • Heating spend post Airius = £7,333.38
  • £2,967.50 – Full system & installation cost
  • £68.75 – Airius system annual running cost
  • Now recirculates process heat for free heating
Graph

Table1. Meter Readings, Consumption &
Cost Data Pre Airius Installation

Table1

Table2. Meter Readings, Consumption &
Cost Data Post Airius Installation

Table2

Summary

Table3

NOTES:

Original dates, consumption and cost data supplied by Jack Gale, Utilities Coordinator, LUSH.

USAGE for November and December 2012 calculated by dividing the COST by the average amount per unit throughout the year.

COST for March 2013 calculated by multiplying units used by average amount per unit throughout the year.

20% of consumption allowed for heating the offices and hot water.

Gas used for production processes approx. £220 per month. Calculated from average amount used throughout June, July & August when the heating is off. This has been subtracted to leave only heating gas.

MET office used for the mean Temperature data.

 

A drop in temperature of one 1ºC increases a buildings heat load by 8% to 16%, mainly depending on the base temperature and the building fabric. With the low level of insulation at the Lush Hatchpond Road facility calculations are based on a very conservative 11% per 1ºC.

The overall adjustment for the temperature difference works out as a 16.33% increase to the pre Airius figures.

All the final outcomes are shown in the data above including; WITHOUT weather effects taken into account, WITH weather effects taken into account and an AVERAGE of the both.

The Airius units in your Hatchpond road site have far exceeded predicted savings. This is mainly due to the buildings extremely low level of insulation and the high level of process heat within the environment, which when recirculated provides a free source of space heating.

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