Данная презентация является итоговой работой по последней теме УМК "Starlight-10", которая посвящена проблемам окружающей среды. Сегодня много говорят по этому поводу, но зачастую эти разговоры на практике ни к чему не приводят. Работая над этим разделом учебника, мы с ребятами попробовали помочь их взрослым родственникам в вопросе энергоэффективности и энергосбережения у себя дома, так как это прежде всего бережное отношение к энергии в любой сфере и ее безвредное производство. Кто эффективно использует энергию, тот предотвращает злоупотребление ресурсами и охраняет окружающую среду.
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Conserving energy saves money and reduces the need for fossil fuels. You can save energy in your house by making choices that will reduce your electricity and fuel bills without sacrificing your comfort. Light Bulbs Compact fluorescent light bulbs (CFLs) last up to 10 times longer than incandescent bulbs, and use about 75 percent less energy. As of 2010, one CFL bulb can save you more than $40 in electricity costs over the bulb's lifetime. CFLs can also cut home cooling costs because they produce about 75 percent less heat than incandescent bulbs.
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The Best 9 Energy Saving Ideas Whether one is at home or at work, it is very important to save energy. This is because it reduces costs both in production of the energy and consumption costs. To an individual when you save energy you reduce the extra money that you would spend in paying for the energy bills. The following are 9 energy saving ideas that can help an individual reduce energy consumption and expenditure.
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Heating A properly maintained heating system will reduce fuel consumption, so check the filters in your heating system every month. Insulate the walls, ceilings and floors to reduce heat loss. Use caulking and weatherstripping to fill cracks in the walls, floors, windows and doors. If you’ve got central heating, turn the thermostat down by one degree. It could cut your heating bill down by 10%. The thermostatic valves on your radiators are another way of cutting costs, as are timers.
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Use of incandescent flourescent bulbs instead of ordinary bulbs. Incandescent bulbs are affordable, easy to use and reduce energy costs. These bulbs use 75% less energy which saves up to $200 per every 5 bulbs replaced. This is according to a survey conducted by the Environmental Protection Agency. In addition to that energy costs constitute as much as 50% of an average commercial building energy bill.
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Unplug all electrical appliances when not in use. Some televisions sets, VCR players, Xbox 360, Microwave, and other appliances draw power even when they are switched off. It is also good to set computers, if any, to automatically go to sleep mode after a 30 minutes period of inactivity or switching them off at night. This saves around $50 to $150 and above annually.
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Another energy saving idea is to service the heating and air conditioning systems of the house twice a year. Doing this, will ensure that no energy is lost through faulty systems and also it will ensure that the systems run efficiently and with less energy.
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Did you know that trees are important in energy saving? Yes, trees provide 2 cost saving benefits m these include acting as wind breaks and also provide cooling effect to an area. According a study carried out by San Diego’s Office of Sustainability, 30% of a house’s cooling costs can be reduced by 3 well placed trees. Instead of using electric heaters and coolers to help in heating and cooling the house, make your windows do that for you. It is simple and cost effective.
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If you’ve got central heating, turn the thermostat down by one degree. It could cut your heating bill down by 10%. The thermostatic valves on your radiators are another way of cutting costs, as are timers.
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Switch off the TV, dvd recorder, computer and stereo when they are not being used. When on stand-by they are steadily wasting electricity – about 8% of your electricity bill. The same goes for lights.
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On washdays, make sure your washing machine has a full load and keep the wash temperature as low as possible. If you can’t wait until there is a full load, use the half load or economy setting. Air-drying your clothes is cheaper than tumble-drying but if you can’t dry your clothes outside, pick a room where you can have the doors closed so the dampness won’t spread. Keeping a window open slightly will help with ventilation. If you do use a tumbledryer , the vents should lead outside unless you have a condenser fitted. When using the fridge or freezer, don’t leave the doors open longer than necessary. The motors have to work harder to replace the lost cold. And defrost your freezer regularly to cut down on running costs. Use the shower rather than the bath if you can. It uses a third of the water. Keep the hot water thermostat at 60ºC. Any hotter than that and it’s burning your money. Put the lids on your pans when you are cooking. It will use less energy for the same result, and produce less condensation .
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Bounce your heat back. Install reflective panels behind your radiators to bounce the heat back into your room and stop it escaping through the walls. Set your timer so that your heating only comes on when needed. Remember the time it takes to heat up and cool down – set it to come on 30 minutes before you get up and to go off 30 minutes before you leave or go to bed. Where possible use off-peak electricity, usually between midnight and 7.00am. It costs less than half the normal price but can vary between suppliers. Use timers on appliances like washing machines, water heaters, or use storage heaters.
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When you are buying new appliances, look for the Energy Efficiency Recommended blue triangle. Those with an A grade are the most efficient. They may be more expensive, but they will give you savings in the long run. Smaller models will use less energy, and think about whether you really need all those features. A “keep warm” function on your kettle can be a waste.
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