New Era in Energy Efficiency!

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Presentation by: David Zabrowski Director of Engineering Energy & Water Efficiency

Center (FSTC) program is funded by California utility customers and administered by

Utilities Commission. Promoting: New Era in Energy Efficiency!

Saving tips Design guides Cost calculators Rebates kbtu per FT 2 600 500 400 300

1 Presentation by: David Zabrowski Director of Engineering Energy & Water Efficiency in Commercial Kitchens June 30, 2009 June 30, 2009 The Food Service Technology Center (FSTC) program is funded by California utility customers and administered by the Pacific Gas and Electric Company under the auspices of the California Public Utilities Commission. Promoting: New Era in Energy Efficiency! Energy Efficiency in Commercial Food Service Your online toolbox Reports Energy Saving tips Design guides Cost calculators Rebates kbtu per FT Why? Foodservice is energy intensive... Retail Office Lodging Restaurant PG&E Food Service Technology Center 1

10,000,000 commercial kitchen appliances operating in USA A single appliance can consume more than a home.

2 and Water Intensive Too! 28,000 26,000 24,000 22,000 20,000 18,000 Gallon/ Day 16,000 14,000 12,000 10,000 8,000 6,000 4,000 2, An Energy Perspective $10 billion per year on energy in commercial kitchens 10,000,000 commercial kitchen appliances operating in USA A single appliance can consume more than a home. = The Big Questions How do you specify an energy-efficient appliance? Start with ENERGY STAR Where do you find performance data? ENERGY STAR Categories Fryers Refrigeration Ovens Steamers California s Food Service Appliance Rebates are a Great Resource! Hot Holding Cabinets Dish Machines Ice Machines Griddles PG&E Food Service Technology Center 2

3 All of the rebated appliances are energy efficient. So, the appliance list is a tool for finding efficient i appliances. Here s how to get all the information you need: Applies to New Construction and Replacement! Steamers Ice machines Refrigerators Freezers Holding Cabinets Fryers Large Vat Fryers Griddles Combi Ovens Convections Ovens Rack Ovens Demand Ventilation Online at: Complete List of Qualified Products Energy Star Rebate Finder Tool Updated Regularly Documents Rebate Amount & Energy Efficiency A surrogate list for non-energy Star categories PG&E Food Service Technology Center 3

Please take advantage of these lucrative

4 Please take advantage of these lucrative rebates! Turn in the forms and take the money! Can efficiency make life easier? cooler, quieter, less smoky kitchen greater food production better cooking uniformity better lighting Low-Flow Pre-Rinse Spray Valves (PRSV) Water & Water Heating Ultra-Low Flow Fix those leaks! Even a small drip adds up: 50,000 gallons/yr $350 for water $500 for water heating 1.42 gpm rated nozzle converted to 2.0 gpm = $270 increase in annual operating cost! 1.00/therm gas & $5.00 per unit water/sewer PG&E Food Service Technology Center 4

5 Install ENERGY STAR Qualified Compact Fluorescent Lamps (CFL) Lighting Replace T12 lamps with Energy Efficient T-8 lamps Two Nuggets: How to keep the smoke and heat in the hood. Push Back Appliances PG&E Food Service Technology Center 5

Side Panels in Practice Add Side Panels A bit more stainless steel can be cheap insurance!

com) Consider variable speed drives for kitchen exhaust and makeup air.

Berkeley Clark Kerr Campus Installation Power (kw) 16 14 12 10 8 6 4 2 0 Avg. without DVC = 12.

98 Exhaust and Makeup Air Fan Power Avg. with DVC = 5.

6 Side Panels in Practice Add Side Panels A bit more stainless steel can be cheap insurance! 32 Optimize Your Hood (Guides available at Fishnick.com) Consider variable speed drives for kitchen exhaust and makeup air. Then Problem: The kitchen exhaust hood operates at 100%. All day long. (And sometimes all night as well.) U.C. Berkeley Clark Kerr Campus Installation Power (kw) Avg. without DVC = 12.7 kw Design Exhaust Ventilation Rate (cfm) 12,200 Average Fan Power Reduction (kw) 6.98 Exhaust and Makeup Air Fan Power Avg. with DVC = 5.8 kw Time Whether you are cooking or not! Yearly Fan Energy Cost Savings ($) 4,100 Yearly Heating and Cooling Energy Cost Savings ($) 2,350 Total Yearly Operating Cost Savings ($) 6,450 DVC System Installed Cost ($) 16,000 Pay Back Period (yrs) 2.5 Calculated using $0.115/kWh, $1.00/therm, operating 300 days per year. PG&E Food Service Technology Center 6

7 Typical energy/cost savings total 40 to 50% Case Studies available at: Combination Oven-Steamers Combis Are More Efficient Than Convection Ovens* versatile easy to clean advanced controls two appliances in one and *Based on the heavy-load (potato) test in ASTM F1496 A Tale of Two Combis * if combi mode is used wisely Vs. Combi A Combi B PG&E Food Service Technology Center 7

8 A Tale of Two Combis A Tale of Two Combis Vs. Same Combi Specify Smart Controls and Use Them! Energy Star Steamer Saves Big on Water and Energy The Steamer Challenge: The open-system design sends a lot of energy and water down the drain. Boiler Based Steamer (Not ENERGY STAR) Average Water Usage = 40 gph PG&E Food Service Technology Center 8

9 The Steamer Challenge: The closed-system steamer is much more energy and water efficient! 8-Year Life-Cycle Cost Boiler Based 10-Pan Steamer $8,200! Efficient Appliances are a Very Practical Green Solution! PG&E Food Service Technology Center 9