Presented at: Kingsley’s Woolloomooloo Presented by: Ben Pearson & Dan Butt Date: 8 August 2011 Energy Efficiency for Commercial Kitchens
Copyright and disclaimer The Office of Environment and Heritage and the State of NSW are pleased to allow this material to be used, reproduced and adapted, provided the meaning is unchanged and its source, publisher and authorship are acknowledged. The Office of Environment and Heritage has made all reasonable effort to ensure that the contents of this document are factual and free of error. However, the State of NSW and the Office of Environment and Heritage shall not be liable for any damage which may occur in relation to any person taking action or not on the basis of this document. Office of Environment and Heritage, Department of Premier and Cabinet Phone: (02) (switchboard) Website:
Work book 1 / Session 1 Funding Support This project has been supported by the NSW Government as part of the Energy Efficiency Training Program – visit savepower.nsw.gov.au
Work book 1 / Session 1 Dish Machines Maximise washing loads Minimise idle time
Work book 1 / Session 1 Dish Machines Fix Leaks! Triple Bottom Line 1.Water ($) 2.Sewer ($) 3.Water Heating ($) Triple Bottom Line 1.Water ($) 2.Sewer ($) 3.Water Heating ($)
Work book 1 / Session 1 Dish Machines Maintain proper rinse pressure...
Work book 1 / Session 1 Dish Machines Eliminate 10 Loads / Day Save $200/Year or more Eliminate 10 Loads / Day Save $200/Year or more
Work book 1 / Session 1 Dish Machines …that goes for under-counter dish machines as well
Work book 1 / Session 1 Dish Machines Regulate Operating Schedule If possible, keep door closed during long periods of idling to minimize convective heat loss 37% Decrease in Idle Rate with Door Closed
Work book 1 / Session 1 Defrost Water Use Control Defrost Water Use
Work book 1 / Session 1 Defrost Water Use Inefficient, Ineffective & Unhealthy
Work book 1 / Session 1 Defrost Measured Flow Rate: 2.7 L/min = 162 L/hr Cost: $200/yr if performed for one hour/day/year
Work book 1 / Session 1 Defrost Water Use 3 hrs defrost at 11 L/min = $1,400/year Using existing refrigeration would cost ≈ $0 - but requires a little planning Additional refrigeration space ≈ $1,800 – plus ≈ $ 400 a year for energy – double-door reach-in – plenty of space Payback ≈ 2 years Or Dedicated defrost refrigerator
Work book 1 / Session 1 Hot Water Saving Tips 1.Switch to gas 2.Insulate hot water pipes 3.Regulate thermostat temperature 4.Fix leaks 5.Only put full loads through dish washers