March 13th, 2010
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Download Free Recuperators latest generation allow you to recover up to more than 90% of the heat. Well-made ventilation system based on will reduce heating costs by up to more than 60% compared with an identical building equipped with ventilation in a working gravity. Savings to be sure we do energy audit of the proposed or built the house – it may be that through the use of adequate insulation and adequate class recuperator is possible to substantially reduce the cost of heating the building.
Cross Exchanger
The principle of cross-exchanger
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The disadvantage of recuperative ventilation system is its relatively high cost. Another disadvantage is the lack of relevant expertise – in the Polish market is a relatively new product, so much of the so-called. “Professionals” prey on the ignorance of customers, mounting systems, defective, without any technical documentation, based on devices with very low quality or a dismal performance for heat recovery.
In Poland, the parameters of efficiency recuperators not control anyone – this figure is declared in the vast majority of cases only by the manufacturers and therefore tends to be significantly overstated. It is noteworthy that even the worst performance recuperator for laboratory conditions, with minimal air flow can reach well over 90%, but real-world conditions such as does not exceed 45%.
Hence, when deciding to purchase it is worth noting that the tenderer has the measurements performed by an independent laboratory under the relevant European standards (in Germany carries out independent certification by TUV), or only the manufacturer’s statement contained in its directory.
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Tags: latest generation, Recuperators, the heat, ventilation system
Posted in Homes, Modern design, Uncategorized, Ventilation | Add Comments »
March 13th, 2010
Home & Garden |
Home Improvement |
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Download Free System of supply-exhaust ventilation may be additionally equipped with ground heat exchanger, a system which allows for additional air pre-heating in the winter and cooling in summer fun. This is usually the tube length of several meters placed in the ground at a depth of about 1.5-2 m.
Recuperator
“Heart” of the ventilation system with heat recovery recuperator is – here’s most popular cross-exchanger.
The air drawn into the building during the winter has passed through the GWC is heated to a positive, further reducing heating costs. In summer, when a well-executed ground heat exchanger allows the heat to cool air entering the building from 32 to as much as 16 degrees! And without additional energy consumption – GWC controls only work recuperator.
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Costs. Given the need to purchase the recuperator, extensive use of the ventilation system and the need for ventilation ducts system is relatively expensive solution in the purchase, but the most effective results in reducing the cost of home heating.
It is worth mentioning that the optimal solution is to plan the ventilation system with heat recovery at the design stage the house. To significantly reduce the payback time of investments.
In US, the parameters of efficiency recuperators are not controlled.
Advantages and disadvantages. The main advantages of the effective work of the ventilation system independent of external conditions, or leakage of the building. What’s more – the best type of ventilation system works in the building completely sealed, ensuring a continuous exchange of air through a system of air intake and exhaust channels.
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Tags: supply-exhaust, System, Ventilation
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March 13th, 2010
Supply-exhaust system provides a continuous supply to the building and the simultaneous removal of the building a quantity of air, which guarantees the effectiveness of ventilation and comfort climate. The vast majority of home ventilation systems of this type is based on the central supply-exhaust ventilation with heat recovery, commonly known in US recuperative (though the word regenerator means in reality, only a heat exchanger placed inside the central ventilation system).
Wall diffusers.
This system not only allows for effective removal of exhaust air from the housing and excessive moisture, but also a continuous supply of adequate quantities of fresh, heated air. Heating occurs in the heat exchanger located in the central ventilation – air streams passing to communicate the energy, not interfering with each other.
Such a system works both ways – in the winter provides heat recovery from the air removed, so the following summer. “Cold recovery, security house from overheating quickly. The basic principle in such an installation can run from the premises higher humidity – such as toilet, bathroom or kitchen vents, and execution of the living room, bedroom, dining room or office.
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Tags: intake-exhaust, Ventilation, Wall diffusers
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March 13th, 2010
The idea of this system was born by the desire to improve a non-gravitational ventilation. Thus began adding fans and forcing air traffic channels removes used air from different rooms of the building. Effective work of such a system depends on the power supply to the exhaust fan and to ensure the flow of fresh air from outside in an amount identical to that which is removed by the exhaust fan.
Exhaust ventilation system will therefore ensure effective ventilation and a relatively high comfort climate, but not the building energy efficiency.
Lack of air supply from outside (grates, diffusers, micro-ventilation) will reduce the effectiveness of the ventilation system. Fan will be moved in grinding the air, but did not remove anything out, if not offset by the pressure of fresh air in another part of the room.
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Application in the bathroom assist extraction of air from the bathroom, the base of the hybrid tower equipped with exhaust fan installed in your home or a central exhaust fan are various examples of ventilation systems.
Costs. This system is relatively cheap to assemble, usually consists of a fan or fans, combined with a few simple system air extractor. Unfortunately, it is also a very expensive system in operation: permanent removal of the heated, used the outside air causes a significant increase in operating costs of the building.
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Tags: different rooms, exhaust fan, Exhaust ventilation
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March 13th, 2010
Advantages and disadvantages. Gravity ventilation as a solution to the traditional and treated as “just acceptable”, the vast majority of the masters of building is considered to be the best. Unfortunately – as long as verified as well in homes built during the 20 or 50 of these, full of holes and leaks to ensure a constant supply of air – no longer works in modern homes, built using technology based on high integrity and insulation.
As a result, most homes seeking to obtain high efficiency use of gravitational ventilation causes side-effects of a strong walls and a very high concentration of various harmful chemicals that are not removed on the outside by the ventilation system operating inefficiently.
Gravity ventilation prevents the effective control of the amount of air to remove any filter or air. Trickle ventilation windows, causing the release into the interior of housing distracting from the outside, particularly in buildings located in urban centers or near busy streets.
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Tags: Advantages, disadvantages, Ventilation
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March 13th, 2010
It is still the most popular in Poland found the ventilation system. Its operation is based on the vertical movement of air in the chimney caused by the temperature difference between inside the building and the external environment and the pressure differential caused by air traffic. For its effective operation, it is necessary not only to ensure the existence of a patent from a chimney grate on the wall, but also to ensure continuous supply of air from the outside.
The air supply from outside the permit, inter alia, wall grilles placed under the windows or window vents. Used most frequently in areas of homes trickle ventilation window, called “micro-ventilation, in most cases not provide an adequate supply of air. Flue can remove the outside, even tens of cubic meters of air per hour, and the average micro-ventilation window provides only a few cubic meters, usually about 10-fold less.
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Gravity ventilation prevents the effective control of the amount of air to remove any filter or air.
This is particularly noticeable at the time “to turning over” in the bathroom ventilation grid, which instead of removing used air vent on the outside causing the cold air.
Proper functioning of the ventilation grilles for example, will again set aside the big window in the bathroom. It is also noteworthy that for the well-being (ie, the so-called feeling. “Climate comfort ‘) in the room by an adult needs about 40-60 m3 of air per hour.
Costs. Contrary to appearances, a well-constructed system of gravitational ventilation system is not cheap. Cost only one chimney for ventilating ducts 3-5 is the expenditure of several thousand, depending on the length of the chimney.
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Tags: Gravity Ventilation, grilles, micro-ventilation
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March 13th, 2010
Constructing energy-efficient house decide to use the latest technology for the construction of walls, windows, insulation and tightness of the building. Ensure effective ventilation is an aspect of the vast majority of cases ignored entirely.
Recuperator
Growing more and more fashion energy costs and reducing sources of pollution are the two main reasons why the average investor seriously considering building an energy-efficient home, or at least build the house itself, which ensures the lowest costs of subsequent use.
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The first and most important condition capable of producing high efficiency of the building is its excellent insulation.
Deciding to modern design and insulation of the building to be absolutely sure to provide it as an effective ventilation!
You can choose from single-wall and multi-layered, roof insulation, foil … is also important to select windows appropriate parameters permeability of adequate heat and tightness. Homes with very high efficiency are known as so-called.
Standards developed homes in Switzerland several years ago led to the development of the German version, known as the so-called. “Passive houses”. The latter name is already known in Poland as a synonym of the house with a very high efficiency.
More and more isolated and sealed up the house, so that even after a relatively short period of time stated that the house simply is not suited to live: on the walls there is mold and fungus, the windows are permanently covered with “dew” and the atmosphere reminds stuffy inside … , a hot cellar.
Deciding to modern design and insulation of the building to be absolutely sure to provide it as an effective ventilation! Below are a few basic types of ventilation systems.
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March 13th, 2010
Currently constructing a relatively small basement houses. By contrast, you must be aware that many such buildings exist. A unheated basement ceiling above generates considerable energy losses. Therefore, if the temperature is in the basement or lower by 8 º C, in relation to dwellings, it is necessary to have a baffle to isolate thermally.
The solution to the most effective and easiest to implement while it is warming the roof from the cold, or in the basement. Insulation, glue and attach additional mechanically.
You can also make a ceiling suspended and it lay a thick layer of insulation, respectively (insulation should touch the ceiling). Thickness of the insulation should identify the designer, but usually it is 5-12 cm polystyrene or mineral wool.
In this type of houses do not forget to warm the basement walls and laying a wreath even when all the cellars are embedded in the ground. Layer of thermal insulation must adhere to the walls of at least 50 cm below ground level.
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Tags: basement walls, constructing, thermal insulation
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March 13th, 2010
Many houses built in US only in theory meets the design of thermal insulation and thus efficiency. The final result is often unsatisfactory, and mainly due to thermal bridges. Be aware that with a little knowledge and a high degree of diligence are very easy to remove.
Measuring room
Most of the houses in US is a brick building. Previously they were structures with walls, but now. Therefore, the fulfillment of the requirements the thermal insulation of the external partitions U = 0.30 W / (m² K) is not at all difficult.
For example, in the walls of sufficient thickness of insulation layer was about 10 cm (depending on the load-bearing walls) and on the ground floor could not warming at all. It must be remembered that the current guidelines have not changed in 13 years. And at that time both the cost of building a house, how, and its maintenance has drastically increased.
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