How much energy can I save
Saving energy - practical tips for your household
Everyone can contribute to climate protection. You too. With around ten tons per capita per year, a German produces an average of six times as much CO2 as an Indian. If we all reduce our personal CO2 balance by a few tons, a lot will be gained. We have put together many practical and simple energy saving tips for you. So that you can see which tip brings how much each year, we have calculated this using the example of an average four-person household. The result: Avoiding CO2 not only helps the climate, but also goes easy on your wallet.
Therefore: Participate and save. For the sake of the climate and the wallet.
When buying refrigerators, washing machines and other electrical appliances, look out for efficiency classes A to G. Do not buy appliances from classes G to A and only buy A.+ to A+++.
Example: If you replace your old energy class B refrigerator with a class A+++ Replace, you save 160 kilograms of CO2 and 74 euros per year.
2. Switching off instead of stand-by
Give yourself and your screens a break. Simply switch off properly: the PC monitor when you have lunch and your television when you go to bed. Because “stand by” costs electricity and cash. Unplug chargers after use. With socket strips that can be switched off, you can turn off the juice on all connected devices with a single push of a button
Example: This allows you to save around 100 euros and 220 kilograms of CO2 (annual value for 5 devices with 10 W stand-by power each).
Speaking of screens: reduce the brightness of your computer's screen for longer device life and power savings. Many modern televisions are also set very brightly. If you reduce the brightness, you will save electricity.*
3. Every pot has its lid
Cooking with a lid costs a third less energy than "topless". Always select the pot to match the size of the hob.
Example: You save around 46 euros and 100 kilograms of carbon dioxide a year if you use the pot lid five times a week.
4. Kettle instead of stove
Whether tea or pasta - heat the water in the electric kettle. It's faster and requires less energy than the pot on the stove.
Example:If you boil a liter of water every day, you save 40 euros or 90 kilograms of CO2 a year.
5. Do something good for your fridge!
It is best to cool food at 6 to 7 degrees. A temperature of minus 18 degrees is sufficient for the freezer - which is best placed in the cellar. Place the refrigerator and freezer where it is colder: not next to a radiator, stove or dishwasher.
Example: If you only let your refrigerator cool down to a maximum of 7 degrees Celsius, you will save around 20 kilograms of CO2 and 10 euros a year compared to cooling it to 5 degrees Celsius.
Also, move your refrigerator a little away from the wall so that the recooler can work properly. Also, put a little on top of the refrigerator to allow heat to flow upwards.*
Since air is a very poor heat carrier, a full refrigerator uses less electricity.*
Defrost your freezer compartment or your freezer regularly. This reduces electricity consumption - regular defrosting can save around 15 to 45% electricity.*
6. Save energy when washing
Do your laundry in a financially gentle way and with savings programs. And only when the machine is full. Today's detergents make boiling and prewashing superfluous. Wash at 40 instead of 60 degrees and do not use the dryer. Your laundry likes fresh air.
You should try out eco programs for the washing machine and use them in the long term. This saves water, electricity and is gentle on your laundry. A pre-wash is only needed in the rarest of cases. Therefore: wash without prewash.
Example: With 160 wash cycles per year at 40 instead of 60 degrees and without prewash and dryer, you can avoid 250 kilograms of CO2. Saved money: 110 euros.
In general, do not wash more often than necessary - sometimes it is enough to air your clothes.*
Sort your laundry according to how dirty it is. Only wash heavily soiled laundry at high temperatures or with particularly intensive washing programs.*
If you treat individual stains before washing, you can choose a resource-oriented washing program even for heavier soiling.*
Notes on using a tumble dryer:
Spin your laundry in the washing machine beforehand saves electricity and protects the environment. *
Let your laundry air dry on the balcony, garden or terrace in summer. *
In winter, the "iron dry" program is sufficient for the electric tumble dryer. Only use your tumble dryer if you really have to and you can no longer wait for your laundry to be dry.*
7. Load the dishwasher fully
Economical dishwashers are not only great kitchen gadgets, they also require less water than washing by hand. Charge the machine as fully as possible and switch to the economy program. Do not pre-wash the dishes.
Example: With 160 dishwasher cycles in the economy program, this saves 80 kilograms of CO2 and 35 euros per year instead of hand washing.
8. Switch to pull-through
Keep a clear head even without permanent ventilation. Instead of tilting the windows for hours, you should ventilate every two to three hours. Windows that are wide open for a few minutes are sufficient to exchange all of the room air.
Example: With this method, you save 610 kilograms or 180 euros per year compared to constantly tilting windows in cold outside temperatures.
If you lower the temperature in your living space by just one degree, you will save five to ten percent heating energy and thus a lot of money. On top of that, you get a pleasant living environment for free.
Example: If you lower the temperature as described, you will save 450 kilograms of CO2 and 135 euros a year!
10. Put it in the bin - but do it right
Recycle valuable materials and throw them in the right containers: paper in the waste paper bin, waste glass in the glass container, plastics in the yellow sack. Metals belong in the recycling center.
Example: This does not save you any money, but with every 100 kilograms of waste paper, waste glass and plastic as well as 1 kilogram of aluminum you avoid 100 kilograms of CO2 per year.
11. Save electricity in the bathroom
One device that uses a lot of electricity in the bathroom is the hair dryer. Use it as little as possible. In summer, the hair can also be dried in the warm air and the sun.*
If you have an electric toothbrush with a charging station, only put the toothbrush on the station about once a week. Only a conventional toothbrush consumes less electricity.*
Many bathroom cabinets have energy-intensive halogen spotlights. If you do not need the glaring light, use the normal room lighting with energy-saving lamps. The best thing to do is to replace the halogen spotlights with LED products the next time it is defective. These live longer, work much more efficiently and are now available in all drug and hardware stores.*
Don't use a hot fan to blow the moisture out of your bathroom. A simple household tip helps: fill several bowls up to a height of five centimeters with salt. Spread the bowls all over the bathroom. The salt removes its moisture from the air. The bowls fill with water over the next few days until the last salt crystal is dissolved in it. Pour the water down the drain and then refill the bowls with salt to start the process over. Also important: ventilate properly.*
Calculation of energy consumption:
The euro figures are based on the average price of 0.27 euros per kilowatt hour (varies depending on the electricity provider). For every kilowatt hour of electricity consumed, around 600 grams of carbon dioxide (CO2) blown into the air. All figures are approximate.
- Source: klimAktiv Tübingen and IFEU Heidelberg.
- The climate-relevant emissions contribution always relates to kilograms of CO2 equivalents (including CO2, CH4, N2O).
- The emission factors correspond to the current values in the CO2 calculator and include emissions from production, provision and conversion of the energy source.
- You can find these and other tips in the e-book "123 practical environmental tips"
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