Energy Saving Tips for a Household

We at Grünspar are convinced that there is still a lot of potential in every household to cut energy consumption. If you want to use this potential, you have a big impact both on the environment and on your own purse. Therefore, we would like to give tips on energy saving, which significantly reduce energy consumption and are easy to implement. Here we look at the areas of electricity, heating and water and expect to see what you can save.

The Model Household

An average German budget has two household members . Such a sample house consumes 13985 kWh of gas per year, 2850 kWh of electricity per year and 88.4 m3 of water per year.

By simple measures in the different areas, this sample budget can save around € 440. We have exhausted an electricity price of 0,28 € / kWh, an average heating cost of 0,08 €/kWh and a water price of 3,50 € / m³.All further calculations are based on these prices and the consumption of a German average household, so the individual savings possible can deviate naturally upwards or downwards.


There is a lot of potential for saving energy. We would like to recommend two particularly simple and effective current tips here. On the one hand the exchange of old light bulbs and halogen lamps against energy-saving LEDs. On the other hand, the installation of disconnectable sockets for avoiding stand by consumption.

An average household consumes 2850 kWh of electricity per year. Of this electricity consumption, lighting costs account for 11%. By retrofitting to LEDs, 80% of the 11% lighting costs can be saved. This saves 70 € electricity costs over a year. Stand-by operation also accounts for 11% of the electricity bill.With a socket strip you can save 47% of the standby electricity costs. This stream savings tip saves you a further 41 €. All in all, two simple changes lead to an electricity cost savings of € 111.

The replacement of old light bulbs against electricity-saving LEDs is child-made. Here is a guide on how to find the right bulb replacement and how to replace halogen with LED. Installing sockets is also very easy. Simply plug it into the outlet and the other devices. After use, simply turn off the power strip.There are both hand-held models and high-tech power strips, programmable and / or controllable via WLAN. The greatest effect is achieved when sockets are installed where most devices are in stand-by mode, ie in the living room and study.

Conclusion Electricity Savings

= LEDs provide € 70 savings per year

= Switchable socket outlets bring € 41 savings per year


Whoever saves water saves resources-the water resource. What many do not know-who saves water, especially warm water, which also saves energy, namely the heating energy for heating the water. Water can be saved by the use of water-saving shower heads and flow limiters at the water tap. The savings calculated here relate only to the cost of pure water-without heating.These savings are found in heating.

In an average 2 persons household, 88.4 m3 of water is consumed in Germany.24% of this water is consumed by the shower. The shower water consumption can be reduced by 40% thanks to Sparduschköpfe. This saves costs of € 30 per year. Working water from the water tap emits 13% of the water consumption and can be reduced by 54% by suitable flow limiters. This saves an additional € 22 per year. In total, the water-saving alternatives save 52 € per year. Added to this are the savings in the heating range, which are listed in the next section.

Water-dripping showerheads are easily attached to the shower hose, just like normal showerheads. There are Sparduschköpfe, which reduce the consumption to 9 liters and even which the 6 liters withers. In our calculation, we have emanated from a 9-liter shower head. For comparison, conventional shower heads consume 15 liters. Flow limiter is simply turned in front of the water tap. This reduces the water flow from an average of 13 liters to 6 liters.

Conclusion Water Saving

= Sparduschköpfe bring 30 € water saving per year

= Flow restrictors bring 22 €  water-saving per year


The heating is one of the biggest energy eaters in the household. 70% of domestic energy consumption goes back to heating. It is therefore worth to reduce the energy consumption here and thus save energy. The greatest savings are achieved with the heating costs with an intelligent heating control.Simple solutions in this area are heating radiators, for example. Heating control systems and Smart Home systems, which control the temperature control centrally, are somewhat more advanced and even more automated. In our example, we calculate the savings through an intelligent heating control system. You can also save on heating costs by using water-saving shower heads and taps, which we have already explained in detail under water costs.This is because the hot water heating is very energy intensive.

A German average household consumes 13985 kWh of gas per year. 82% of this is due to water heating for the heating system. Intelligent heating control systems can save 20% of these heating costs. This saves an average of 183 € per year. The remaining 18% of the gas consumption is caused by the heating of warm water, for example, to shower or rinse. Of these 18% one can save 47% by using water-saving showerheads and flow limiters. In euros this makes an extra € 95 a year. Together, both savings measures achieve a saving of € 278 per year.

Conclusion Save Heating Costs

= Intelligent heating control systems bring € 183 savings per year

= Less water consumption during showers and water tap bring € 95 savings per year

I Can Save That

Ultimately, savings of € 441 per year are achieved through energy saving measures in all three areas. Most energy saving measures can be carried out quickly and in a few simple steps, such as the switch to LEDs or the use of power shuttles and switchable socket outlets. Only slightly more complex is the installation of an intelligent heating control system. Whom the initial investment is too high, of course, can start with the small things. Socket strips already available from 5 €, flow limiter from 3.50 €, 60 watt replacement LEDs from 9 € and Sparduschköpfe from 20 €.