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If you manage to achieve an annual performance figure in the range of “4”, you can be quite satisfied with the measure.
An air-to-water heat pump is suitable for almost every type of building and can be planned for both renovations and new builds. The purchase costs are low, and one of the advantages of an air-to-water heat pump is that the device takes up little space and works extremely efficiently. Finally, an air-to-water heat pump can also be subsidized by the state, depending on how it works.
These are the advantages of an air-to-water heat pump
The advantages of an air-to-water heat pump are many. First and foremost, this means that no fossil fuels are needed anymore and that you become independent of the rising oil and gas prices. The pumps are also characterized by their versatility and can be used in both old and new buildings without complex installation.
This is where the disadvantages of power generation are
However, there are some minor disadvantages associated with an air-to-water heat pump. During installation, you must make sure that the operating conditions are as optimal as possible in order to avoid any loss of effectiveness. If this is not achieved, the disadvantages are higher electricity costs, since more electricity is required to generate heat. Another disadvantage is the dependence on a minimum temperature. This means that you can only use your air-to-water heat pump to a limited extent or not at all on cold days. Finally, the aspect of noise protection must be taken into account, because the fan of an air-to-water heat pump can generate a considerable amount of noise.
The BAFA subsidy opens up another alternative to state support for heating systems. Specifically, the federal and state governments finance the use of renewable energies to generate heat in new buildings through the Federal Office of Economics and Export Control (BAFA). The funding can be combined with the program of the Kreditanstalt für Wiederaufbau and can save resourceful builders a lot of money.
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Finance modern heating systems with state aid
The state is currently launching numerous programs to promote renewable energies. The goals for the future are set high, and after a long dry spell, the funding for builders is now back at an extremely lucrative level. Those who are currently building and relying on pellet heating (bio-heating boilers), particularly efficient heat pumps or solar thermal systems for heat generation can receive up to 1500 euros per residential unit as well as various bonuses from the state.
Multi-stage funding model
Heat pump systems are funded with the full amount of 1500 euros, groundwater and air heat pumps on the other hand with 637.50 euros. In addition, BAFA funding provides a one-time bonus of 750 euros if the heat pump eligible for funding is combined with a solar system.
Anyone who also opts for a circulation pump will receive an additional bonus of 200 euros. In order to qualify for BAFA funding, the pumps used must meet a certain standard value for the annual performance factor (JAZ). In new buildings, this value is between 3.5 and 4 for geothermal and air heat pumps, and around 1.2 for gas-powered pumps.
A positive side aspect: The purchase of BAFA funding does not exclude participation in the KfW program for energy-efficient building, so that you can benefit twice – provided you are not afraid of paperwork.to kill a mockingbird theme essay outline Information sheets with the exact requirements can be obtained from the KfW and BAFA website.
Read here how much CO2 a new heating system can save. But you can also save on heating costs without new heating.
An efficient heat pump is an investment that definitely pays off. Especially in times of ever increasing energy prices you should think about treating yourself to such a device. There are different modes of operation of the heat pump, which are explained in more detail below.
An efficient heat pump helps to save energy
Whether geothermal energy, air or water – you have the freedom to choose which functionality you would like to choose. The efficient heat pump ensures that environmental heat is taken from the groundwater of the earth or the air. A compressor ensures that this is brought to the required temperature level. The whole thing is comparable to the way a refrigerator works.
How the efficient heat pump works exactly
As already indicated, there are three different versions of the heat pump. With the so-called air heat pump, the heat source is – as you can already guess – the outside air. This variant is also the cheapest, but it is also the least effective. On the other hand, geothermal heat pumps and groundwater heat pumps are more expensive, but more effective. The latter works in such a way that the water taken from a well is used as a heat transfer medium. Well construction is expensive, but it also pays off in retrospect. Finally, there is the geothermal heat pump. Here, a distinction is again made between collectors and a geothermal probe with deep drilling. Both methods require a considerable amount of effort. In addition, you even need a permit under mining law for the drilling and installation of the whole. Regardless of which type of heat pump you choose, you have to reckon with an average of three to five years to build from the outset.
Heat pumps are a real trend, and whenever a new house is being built, this form of temperature and climate control is of particular importance. But even if you have previously provided heat with conventional heating, it may be worthwhile to switch to heat pumps. Above all, the steadily rising energy prices play a decisive role.
Switching to heat pumps: what to look out for
If you switch to heat pumps, you should first take care of the appropriate grants and subsidies. Depending on which technology you use here, you can secure several thousand euros from the state. However, it is also worthwhile if you switch to heat pumps. Above all, this has to do with the fact that the operating costs are extremely low and the installation is within a manageable price range.
When is it worthwhile to rely on heat pumps?
In the long run, it is almost always worth it when you switch to heat pumps. This increases your independence from fossil fuels and you are no longer bound by the pricing policy of the large corporations. Regardless of whether you use a heat pump within a single-family house or in a larger building complex: With the right selection and clever installation, you can easily save half of the energy costs. There are no pollutants, and in summer you don’t need an air conditioner, you can use your heat pump for cooling. In this way, it pays off twice when you switch to heat pumps.
Domestic water heat pumps function as water heating and are usually much more environmentally friendly and economical than the classic central heating system, which usually runs all year round. The use of such a device is obvious, as the hot water requirement tends to zero, especially in summer.
Exploit huge savings potential
A modern central heating system guarantees well-tempered water in every season. The disadvantage: such a device has to be switched on continuously and accordingly consumes a lot of energy. Especially in summer there is no basis for this, and only very few people want to shower or bathe hot at this time of year. A domestic water heat pump is therefore an economically viable alternative for more and more households: The device, which is often referred to as a “hot water heat pump”, acts as a kind of separate heater for the water. Usually the water is kept in a large storage tank. All in all, modern domestic water heat pumps are roughly the size of a classic fridge / freezer combination.
Easy installation, the latest technology
Current systems hold up to 300 liters of water and can provide any desired temperature up to 65 degrees Celsius. Installation is very simple: all you need is some space and a power connection. As part of a holistic energy-saving concept, the domestic water heat pump can also be heated by a solar system, which can further reduce energy costs.
The high acquisition costs are offset by long-term savings, as the central heating system can be switched off during the summer months. In this way, the purchase of a domestic water heat pump can pay for itself after just a few years. Resourceful landlords use the device’s exhaust air themselves, for example to cool the wine cellar or to dehumidify the washing machine room.
The energy giant RWE will cut around 6,750 additional jobs by 2016 in the face of sharply declining profits. All of Europe is affected, said a spokeswoman. From corporate circles it was reported that 4750 of them should be eliminated in Germany alone. The group initially did not want to confirm the figures. There must also be negotiations on the level of salaries for both employees and managers. The RWE share then fell significantly on the stock exchange.
The workforce across the group will decrease from around 67,400 positions at the end of 2013 to just under 61,000. The group expects a significant decline in earnings in 2014: Earnings before interest, taxes, depreciation and amortization (Ebitda) will then shrink to 7.6 to 8.1 billion euros after nine billion euros this year.
If possible, no redundancies for operational reasons
Operational dismissals should be avoided through an internal job exchange, partial retirement and natural fluctuation.
The downsizing is mainly spread across the power plant division (2300 jobs), the centralization of cross-sectional functions with the “RWE 2015” savings program (2400 jobs) and the planned sale of the Dea oil production subsidiary (1400 jobs). Significant savings are also to be made at the subsidiary for renewable energies RWE Innogy (250 jobs).
Terium continues to turn the cost screw
RWE boss Peter Terium is also aiming for further cuts after the austerity program that will run until the end of 2014. It is about a gross sum of one billion euros. The job cuts by the end of 2016 are partly based on previously announced measures. They also include the sale of holdings such as the oil and gas production subsidiary RWE Dea.
With the total of 13,000 jobs since 2011, however, RWE is now even above the deletions of its competitor E.ON. The Düsseldorf company had announced that it would cut around 11,000 jobs between 2010 and 2015 – albeit without sales of investments.
Employees want better protection against dismissal
In the first quarter of next year there will be negotiations with the employee representatives. So far, these have called for the protection against dismissal to be extended by ten years if possible, which the company rejects. So far, there has not been an agreement on a zero point in salary that the company has brought into play.
Profit only thanks to special effects
From January to the end of September, Germany’s second largest energy company was able to keep its operating profit of 6.7 billion euros roughly at the previous year’s level thanks to a special effect. The profit includes a repayment by the Russian gas supplier Gazprom of around one billion euros. The bottom line was that the result fell by 67.6 percent to 609 million euros.
Sales rose by four percent to just under 39.9 billion euros. And the operating result rose by 0.4 percent to 4.6 billion euros. Analysts had expected slightly better numbers.
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Halving the dividend
The company had already announced a halving of the dividend and cuts in personnel in the power plant division at the end of September. Like the entire industry, RWE is suffering from the sharp drop in electricity prices on the exchange and the low utilization of gas and hard coal power plants. From 2011 to the end of 2013, RWE cut or sold 6,200 jobs.
Anyone building their own four walls in Germany will have to comply with stricter energy-saving standards in the future. After the Bundestag, the Bundesrat has now also approved a new version of the Energy Saving Ordinance (EnEV) presented by the Federal Government, which sets the corresponding minimum requirements for real estate. However, harsh criticism of the amendment has already come from the Federation of German Housing and Real Estate Companies. Accordingly, the adjustment is massively slowing down urgently needed residential construction, and there is a threat of an increase in rents for new buildings as a result of the adjustment.
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According to the new EnEV, the permissible primary energy requirement will be reduced in two stages by 12.5 percent in 2014 and 2016, while the requirements for the insulating effect of the building envelope will increase by an average of ten percent. For existing properties, however, nothing will change.
Real estate should become more energy efficient
The EnEV is an essential lever with which the state wants to increase the energy efficiency of real estate. A large part of energy consumption in Germany is used for heating and hot water, which is why the topic is closely linked to the energy transition and the fight against rising ancillary costs.
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The EnEV is regularly adjusted, whereby new EU requirements are also incorporated.