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Find answers to your questions about solar, wallbox, heat pump & power storage
Are you interested in renewable energies and would like to find out more about solar systems, wall boxes, heat pumps or electricity storage? Then you have come to the right place! We have compiled the answers to the most frequently asked questions about these topics.
Whether you want to know how a solar system works, what advantages a wallbox offers, how to heat your house efficiently with a heat pump or how a power storage system increases your energy independence - our FAQs provide you with comprehensive information.
If you still cannot find a suitable answer, please contact us. Our experts will be happy to help you!
We make renewable energies understandable for you!
Discover our comprehensive guide to solar energy solutions in Germany. From installation costs to government funding Here you will find everything you need to know about switching to clean, renewable energy with solar panels.
FAQs
On average, a typical household requires around 15 to 20 solar modules, depending on energy consumption, the efficiency of the modules and the available roof area. This system would normally generate 4 to 6 kW of electricity.
Berlin offers subsidies for solar installations through programs such as “SolarPlus”, which helps homeowners and businesses cover the costs of solar modules and power storage systems. There are also tax incentives and low-interest loans.
Yes, Germany offers various subsidies for renewable energy projects, including grants, feed-in tariffs and tax breaks. The KfW Bank offers low-interest loans to homeowners and companies investing in solar systems.
Most solar modules are supplied with a performance guarantee of 25 to 30 years, but can also last over 40 years with reduced efficiency. Thanks to technological improvements, newer modules are more durable, which extends their useful life.
Solar systems require only minimal maintenance. It is recommended to clean the modules annually and check the performance of the inverter. Some systems need to be checked by a professional every 2-3 years to ensure optimum efficiency.
Yes, despite the temperate climate in Germany, solar modules are very efficient thanks to modern technology. Even with less sunshine, Germany remains one of the leading countries in the generation of solar power.
Solar panels also generate electricity in winter, albeit at a lower rate due to the shorter days and cloud cover. Snow usually slides off the modules, but light snowfall does not significantly hinder energy generation.
The feed-in tariff allows homeowners with solar panels to sell surplus electricity to the grid. The tariff is guaranteed for 20 years under the EEG Act and helps homeowners to offset their installation costs.
Yes, Germany offers financial incentives and grants for solar battery storage systems. The KfW Bank offers loans and grants to help homeowners integrate battery storage with solar panels for better energy management.
In most cases, no planning permission is required for rooftop solar panels in Germany. However, if you live in a historic building or a protected area, you may need a special permit.
While it is possible to be off-grid with solar panels and battery storage, most people stay connected to the grid to ensure a reliable power supply, especially at times when there is little sunlight.
The combination of solar collectors with a heat pump enables homeowners to use solar energy to operate their heating system, which significantly reduces electricity costs and improves energy efficiency.
Installing solar panels can increase the value of your home by improving its energy efficiency, reducing electricity costs and making it more attractive to environmentally conscious buyers.
Yes, many regions such as Bavaria offer further solar incentives in addition to the national programs. These include subsidies for systems, storage systems and integration into smart grids.
Discover how heat pumps Can help you reduce energy consumption and heating bills in an environmentally friendly way. Our comprehensive guide covers everything from installation to government grants, helping you make an informed decision about upgrading to this efficient heating system.
FAQs
Heat pumps are very energy efficient. Some systems achieve efficiencies of over 300 %, i.e. they generate more energy than they consume by using ambient heat.
Yes, combining a heat pump with solar panels can significantly reduce your electricity consumption as the solar energy is used to power the heat pump, improving the overall energy efficiency of your home.
Yes, modern heat pumps are designed to work efficiently even in cold climates. Some models even work at temperatures as low as -20 °C.
A well-maintained heat pump can last between 15 and 25 years, depending on the model and regular maintenance. Ground source heat pumps generally have a longer service life than air source heat pumps.
It is recommended that your heat pump is serviced annually to ensure optimum efficiency and longevity. Regular maintenance includes cleaning the filters, checking the refrigerant level and inspecting the system.
Installing a heat pump can increase the value of your property as it increases energy efficiency, reduces heating costs and makes your home more attractive to environmentally conscious buyers.
Air source heat pumps can produce some noise from the outdoor unit, but most modern systems are designed to be very quiet, with a noise level comparable to that of an air conditioning unit.
Yes, heat pumps can be installed in older homes, but changes to insulation and heating distribution systems may be required for optimum efficiency.
Yes, heat pumps can be combined very well with underfloor heating, as both work efficiently at lower temperatures, which is a perfect combination for energy savings.
By switching to a heat pump, homeowners in Germany can save up to 50 % on heating costs, depending on the efficiency of the system and energy prices.
Choosing the right heat pump depends on factors such as the size of your home, the local climate and your heating requirements. Air source heat pumps are more likely to be found in urban areas, while ground source heat pumps are better suited to larger properties.
The installation process usually involves determining the location, selecting a suitable heat pump and integrating it into the existing heating system. For ground source heat pumps, piping must be laid, while an outdoor unit is required for air source heat pumps.
In most cases, no planning permission is required for air source heat pumps, but a permit may be required for ground source heat pumps, especially if drilling is required. It is advisable to check with the local authorities.
Heat pumps use renewable energy and operate at lower temperatures, which reduces overall energy consumption. They can achieve an efficiency of up to 400 % by generating more heat energy than they consume in electricity.
Most modern heat pumps are designed for low-noise operation. Air source heat pumps generally have a noise level of 40-60 decibels, which is roughly equivalent to a normal conversation.
Yes, heat pumps can both heat in winter and cool in summer, making them a versatile solution for year-round climate control.
Learn how electricity storage systems Maximize your use of renewable energy and provide you with backup power during times of highest demand. Our guide covers everything from installation costs to government incentives and will help you use solar energy efficiently and sustainably.
FAQs
Investing in an electricity storage system allows you to store surplus energy generated during the day for use at night or at peak times, reducing dependence on the electricity grid and lowering electricity costs.
Yes, Germany offers various incentives for the installation of electricity storage systems, including grants and low-interest loans from the KfW Bank and BAFA to promote renewable energy storage systems.
Common battery types used in energy storage systems are lithium-ion, lead-acid and flow batteries. Lithium-ion batteries are the most popular due to their efficiency and longevity.
Most energy storage systems have a lifespan of 10 to 15 years, depending on the battery type and usage. Regular maintenance can help to extend the service life of your storage system.
Yes, you can also use an electricity storage system without solar panels. However, the greatest savings and efficiency gains can be achieved when they are combined with renewable energy sources such as solar panels.
A typical power storage unit can store between 5 kWh and 20 kWh of electricity, depending on the capacity of the system and your energy requirements.
Choosing the right power storage unit depends on your energy consumption, available space and whether you have a solar system installed. A professional energy audit can help you find the best solution for your needs.
Most power storage systems can provide an emergency power supply in the event of a power failure so that you can continue to use important appliances until the power supply is restored.
Yes, many modern electricity storage systems come with monitoring apps that allow you to track your energy usage, storage levels and system performance in real time from your smartphone or computer.
By storing surplus energy, a power storage unit reduces your dependence on the grid and allows you to use your own renewable energy whenever you need it, increasing your energy independence.
Yes, power storage systems are equipped with safety features that prevent overheating, short circuits and other risks. Regular maintenance and proper installation ensure safe operation.
Installing a power storage system can increase the value of your property by increasing energy efficiency, reducing energy costs and making your home more attractive to environmentally conscious buyers.
Optimize the charging experience for your electric vehicle with a wallboxthat offers faster charging times and efficient use of renewable energy. Our comprehensive guide covers everything from installation costs to government subsidies to the key benefits of having your own wallbox at home.
FAQs
Choosing the right wallbox depends on your vehicle's charging capacity, your home's electrical system and your budget. Most electric vehicles can be charged with an 11 kW wallbox, but some may benefit from a 22 kW option.
In many cases, a wallbox can be installed without major electrical upgrades. However, for higher power wallboxes, such as 22 kW, your home may need to be upgraded to handle the increased load. A professional electrician can assess your system.
Wallboxes require minimal maintenance. Regular checks for physical damage and software updates are usually sufficient to ensure the efficient operation of your wallbox. Some providers offer maintenance services to keep your system in top condition.
Yes, most wallboxes are designed to charge your electric car overnight. With a standard 11 kW wallbox, a full charge takes between 6 and 8 hours for most vehicles, making overnight charging convenient and efficient.
Many modern wallboxes have intelligent functions that allow you to monitor energy consumption and charging costs via an app. This allows you to track exactly how much you are spending on charging.
A wallbox is a private charging station that is installed at your home or business and offers more convenience and faster charging compared to many public stations. It allows you to charge at home whenever you want, without having to rely on external facilities.
Yes, if you have more than one electric vehicle, you can charge them one after the other or simultaneously (for a model with multiple charging points) with most Wallboxes, depending on the power output of the Wallbox.
With a wallbox, you can charge your electric vehicle up to 10 times faster than with a normal 230V household socket. While a household socket, for example, needs 24 hours to fully charge a vehicle, a wallbox usually completes this task in 6 to 8 hours.
Yes, most wallboxes are weatherproof and can be operated in rain, snow or heat. They have robust housings to protect the electrical components and ensure safety.
Yes, if you have solar panels or another renewable energy source, you can use the electricity generated to power your wallbox and charge your electric vehicle in a more environmentally friendly and cost-effective way.
A qualified electrician can assess your home's electrical system and determine whether it is suitable for a wallbox. In most cases, wallboxes can be installed in homes with modern electrical systems with minimal retrofitting.
Yes, many Wallboxes are equipped with smart charging features that allow you to program charging for off-peak times when electricity prices are lower, so you can save money on your electricity bills.
Yes, the Wallboxes have been developed with safety in mind. They are protected against overcharging, overheating, and overvoltage, so you can safely leave your electric car plugged in overnight.
Most wallboxes are supplied with a standard type 2 charging cable that is compatible with most electric vehicles in Europe. Some models offer detachable cables so that you can use your own cable if required.
Yes, in Germany there are government grants and subsidies for the installation of Wallboxes. These can cover both the cost of the Wallbox and the installation. Programs such as the KfW subsidy are particularly popular.
Charging with a Wallbox is much faster than with a normal household socket. Depending on the power of the Wallbox and the vehicle battery, a full charge can take between 4 and 8 hours.
Wallboxes with 11 kW or 22 kW output power are common for home use. The choice of charging power depends on your electrical infrastructure and the requirements of your vehicle.
Yes, a wallbox can be connected to a Solar System so that you can charge your electric vehicle with self-generated solar power. This increases energy efficiency and saves costs.
