March 13th, 2010
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Download Free Coefficient E depends on several factors. First of all, the thermal insulation and outer surfaces of all the bulkheads (walls, windows, doors, roof, ground floor). The system is used ventilation air (gravity, mechanical heat recovery, air conditioning), the heat gains from solar radiation, which is the proper positioning of the building against the world, as well as heat gains from domestic waste water (mainly the number of people living in the house and the type of devices that emit heat) .
Of course, each factor must be a punk references. In this case the limit values are determined by the rate seasonal heat demand for heating E0 [kWh / m² a year or kWh / m³ year].
It describes the amount of heat needed to vaporize a unit area or volume of a building on the assumption that all provisions are met and construction standards (eg, heat transfer coefficient of external partitions U = 0.3 W / m² K, and wooden window U = 2,0 or 2 , 6 W / m² K, etc.).
E0 size index is calculated on the basis of the aspect ratio of the building expressed the ratio of A / V (where A – is the total area of the external bulkheads of the heated part of the building, V – is part of the heated air space in the building).
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March 13th, 2010
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Download Free For heating the building most energy is consumed (about 2 / 3 of the total energy needed to operate the house). It is therefore not surprising that the savings made here can produce the greatest effect. Besides reducing the consumption of energy for lighting, cooking, household appliances or power, although it is possible that the final balance sheet gives a rather small results. In addition, replacement of such equipment is quite expensive, and the economic effect rather problematic.
A good example can be exchanged for ordinary light bulbs cost so much more expensive. energy saving (fluorescent). After calculating the profits of energy compared to incandescent lamps and the cost of purchasing the actual life of most, it appears that the balance of profit and loss account balances itself, and sometimes appear to be more cost-effective conventional bulbs.
Among other things, for these reasons to determine the standard of building energy use index describing only the heat demand for home heating. Is called. Indicator of seasonal heat demand E [kWh / m² a year or kWh / m³ year]. Specifies the amount of heat needed to vaporize 1 sq or 1 m³ house (shall be as required) within 1 year.
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March 13th, 2010
Complete the conventional energy resources such as coal and oil, growing environmental pollution, and significant increases in energy prices led to that already in the 70s of last century, in some countries made attempts to implement research and buildings with much less energy intensity.
However, this problem seriously interested only in the late 80’s and 90’s.
Leading countries in this regard are Germany, Sweden, Switzerland, Austria, France. Unfortunately, in US, more stringent criteria for the insulation of buildings are placed quite slowly, and in this respect in our existing rules are the least stringent in Europe.
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March 13th, 2010
Modern windows may have a glass with special coatings, which, depending on the location of the building against the world conducive to energy production through windows or prevent its loss. Apply for this purpose has already proven solutions: low-carbon coating or covering windows with special nets stop scattered light.
Large windows in the south – good in winter, summer can contribute to increased energy consumption for space cooling.
The size and placement of windows. Windows should not be too large, especially if you have a worse thermal parameters (ie higher U-value). Wherever possible, it is advisable to use windows which are have less surface area and framework in relation to the size of the glazing (frames are usually much worse thermal insulation than glass).
Regardless of whether the design of the catalog or made at our request, you must carefully assess and closely monitor all the changes, which is subject to – or are the consequence of repeated adaptation of the project, or whether they are future versions of the individual project.
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March 13th, 2010
Overall, the windows are always thermal bridges, or places to escape heat. The biggest cause of loss, of course, windows oriented to the north because winter losses through the windows of the south are offset by gains due to solar heat.
Large windows in the south – good in winter, summer can contribute to increased energy consumption for cooling premises. And we know that cooling a building can absorb more energy than heating it. It follows that, with particular attention must be assessed house designs, which are designed very large glazing.
Connecting windows. If the project is adjacent window, you should pay attention to whether they are separated by only a fragment of a wall or frame, since this affects the amount of heat loss. The two windows of the same glass surface, greater losses of concern are separated by a fragment of a wall of windows. Windows combined with the same shaft have a smaller surface area of a framework and thereby minimize heat loss both within and connections with the wall of the building windows. The same applies to windows.
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March 13th, 2010
Holiday energy efficient as possible should have a small area of the external bulkheads (walls and roof) in relation to the volume of.
Home energy efficiency – components
Most rational from the perspective of the cost of installing and operating a house floor with attic, preferably with a flat roof or a small angle of inclination, designed around a square or a very elongated rectangle: the houses of this shape heat escapes slowly.
Holiday with the same area, but without the attic, is more shaggy, with a larger roof is more expensive and therefore less energy efficient.
Who wants to be energy-efficient home, you should not choose the project with complex shape, with arcades, bay windows, and roof complicated shape, because they unnecessarily increase the area of the external compartments.
Build a house with a simple, compact chuck is also easier and cheaper than building a complex shape.
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March 13th, 2010
Cleaning of apartments we know that entrusting us to clean up your house gives us confidence. Therefore, we select staff very carefully. Before new potential employee will be allowed into your home, it must gain our trust and extremely demanding professional. We feel responsible for our employees and we will do everything to never disappoint our customers.
Cleaning service is not only what we can offer you. This is only a small part. We offer you a solution to almost all problems related to running the home and garden. Almost all the problems you can solve quickly and stress by doing just one phone call. You do not have time today to prepare dinner? Please call our catering department will propose you a wide selection and will leave quickly. Party? Adopt a child? We can do it for you or just help you do your shopping. We can arrange the whole adoption or just help in the organization. Money? You pick the dirty laundry and handing then washed and ironed. The accident at home? You do not need to look professional. Call us. Let this be our problem. You have to go and with whom you do not leave the child? Call me.
We are not able to describe here all the situations in which you can turn to us. But that will depend on you. We will strive to help you in everything what you have paid to us.
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March 13th, 2010
There is nothing more pleasant than the moment when you open the door of his home shortly after when he was clean- by someone else. It’s that feeling when the whole house is really clean and fragrant. Professional service can offer you a home that feeling and belief that, although one thing in your busy day is settled until the end.
Selecting home service, so you do not stake too much of your time and simultaneously to it in most domestic matters. With our experience and qualified personnel we can offer you the highest quality service.
Clean your house from the basement to the attic. We do this in time so as not to interfere with your time.
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