Power Smart for Business: Using Energy Wisely in ... - Manitoba Hydro

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6 Appliances Buying new? Energy efficient appliances have many benefits. Not only do they use less energy, they also have: • fewer temperature variations; • shorter cook times; • higher production rates; • less heat loss. When you are ready to buy equipment: Look for insulated cooking equipment (e.g. fryers, ovens, coffee machines). Insulation retains heat, so equipment uses less energy to stay hot. Think about the capacity. Evaluate your food production needs and try to buy appliances that match your needs on a pounds-per-hour basis. Oversized appliances can cause higher capital and operating costs. Purchase equipment with high EnerGuide ratings or ENERGY STAR® labelling, such as: • Boilers, • Microwave ovens, • Freezers, • Fryers, • Furnaces, • Hot water tanks, • Griddles, • Holding tanks, • Refrigerators, • Steam cookers, • Convection ovens, including steamer models, • Dishwashers/ware-washers, • Office and computer equipment, • and any other specialized cooking equipment or appliances. Visit: www.energystar.gov/productdevelopment for a current list of ENERGY STAR® appliances. Tips for using appliances: Braising pans During cooking, close the lid. You use 50 per cent less energy by closing the pan’s lid during periods of extended use. Buy an insulated braising pan. Insulation helps retain heat, so you use less energy. Broilers Cut preheat time. Typically, a broiler only takes 20 to 30 minutes to preheat. Heating up your broiler earlier, wastes energy and heats up your kitchen, which causes your air conditioner to work harder. Eliminate standby time. Turn your broiler down or off whenever possible. Or turn off a section, when cooking smaller amounts of food. Use your griddle. A griddle can be a good alternative to broilers. Thermostatically controlled griddles use less energy than broilers. Grooved griddles can sear “grill marks” onto foods so they look broiled. Align broilers with exhaust hoods. Check that your broiler is placed under the exhaust hood and pushed back against the rear wall. This ensures the heat and smoke are exhausted properly. Pasta cookers Use the minimum setting. Food cooks just as quickly at the minimum setting required to maintain a boil, as it does at the highest setting. Cut the idle time or shut off when not in use. A pasta cooker standing by at less than boiling temperature uses less energy than a pasta cooker running a constant boil.
Appliances Dishwashers Fully load the dishwasher. A half-empty dishwasher uses the same amount of energy and hot water as a full one. Ensure the dishwasher is equipped with either a booster heater, a point of use hot water tank, or a natural gas tank less water heater. For manual dishwashing and automatic dishwashers, final rinse water temperature may need to be as high as 82°C (180°F). For safety reasons, the booster heater can provide the adequate temperature when required. Consider features like gray water recovery, slow temperature rise, and restricted rinses. A gray water heat recovery system recovers some of the heat from drain water and uses it to reheat supply water. A slow temperature rise gradually increases water temperature, which in turn reduces energy use. Restricted rinses will reduce your water usage by 30 to 35 per cent per wash. Ensure that your dishwasher is properly sized for your restaurant. A too large or too small dishwasher can result in a loss of energy. Talk to your supplier/contractor about appropriate sizing for your restaurant. Make sure your dishwasher is professionally installed and set up. If you start to notice that your dishes are consistently not cleaned to satisfactory levels, call your dealer or a repair professional. Having to rewash dishes is not only a headache but also a huge waste of energy. Fryers Cut preheat time. Typically, fryers only need 10 to 15 minutes to preheat. Reduce thermostat during times of low use or turn off the fryer. The lower temperature will reduce energy usage as well as extend oil life. Regularly clean oil filters as well. Pack shortening and melt accordingly. For solid shortening, make sure it is solidly packed before you turn on the fryer. Melt shortening at a moderate temperature, and then increase the temperature for cooking. Frying tips: • Avoid frying at higher than necessary temperatures. • Fill fryer baskets to the recommended capacity. Overloading increases cooking time. • Ensure food pieces are roughly the same size. This ensures even cooking. • Cover fryer during slow periods to minimize heat loss. • Check the cooking oil temperature with a commercial thermometer to ensure that heating elements or burners and controls are working properly. Holding cabinets Buy insulated hot food holding cabinets. Insulation helps retain heat, so you use less energy. Turn off cabinets overnight. Don’t waste energy by heating empty space. Implement a shutdown schedule for your cabinets to ensure they are off when you close for the night. 7
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Power Smart for Business: Using Energy Wisely in ... - Manitoba Hydro

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