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UPDATED ON DEDUCTION OF 55%

E 'download the new guide on personal income tax deduction of 55% of the costs incurred for the rehabilitation of buildings

Published Revenue Agency, contains the latest quest'annoNella innovations introduced new guide "The tax breaks for energy conservation " (49 pp.) published by the Inland Revenue (attached below in pdf) describes the different types of interventions for which you can benefit from the benefit and the steps necessary to obtain, under the laws in force, including the new features this year.

Until December 31, 2010, you can take advantage of a tax for expenses incurred in connection with interventions aimed at saving energy.

In recent years the law has been variously modified and determined by the Ministerial Decree of 19/02/2007, Law No. 244/2007, by DL 185/2008, Law No. 2 / 2009 and most recently by the Inter-Ministerial Decree of 08/06/2009. The changes relate in particular to the procedures to properly take advantage of the facilities has been introduced a special communication to be sent to the Revenue (where work continues over a period of tax), was set only a breakdown of total expenditure, in five equal annual installments, and finally was replaced with retroactive effect, the table of the limits of thermal transmittance.

In summary, the benefits that we may be used are:

• deduction from income tax (personal income tax or Ires) 55 percent expenditure incurred, up to a limit that varies depending on the type of surgery performed;

• exemption from submission of the certification for the replacement of windows and installation of solar panels;

• distribution in five equal annual installments for the efforts made, starting from the Tax 2009 (for 2008 ranged from a minimum of three to a maximum of 10 years and only for the year 2007 there was an obligation to allocate spending in three equal annual installments);

• ability to use the facility for the installation of other types of heating.

Download the Guide " Tax incentives for energy saving " (pdf)

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"LA SINISTRA ABERTZALE NON E' NATA PER RESISTERE, E' NATA PER VINCERE"

è il video del discorso di Arnaldo Otegi per illustrare l'iniziativa che sta conducendo la sinistra indipendentista al fine di rilanciare un processo di risoluzione del conflitto in Euskal Herria;
è scaricabile sottotitolato in italiano s u: http://dotsub.com/view/fca6019f-e705-4ec6-954a-56d2447c6216

Sul sito http://www.talkingpeace.org/ trovate invece gli interventi in lingua della scorsa iniziativa di Venezia, e altro materiale.

Di seguito vi proponiamo infine la traduzione integrale della importante dichiarazione della sinistra abertzale (di cui avevamo anticipato i punti cardine alcuni giorni fa') attorno a cui si sta senza dubbio alcuno incentrando il dibattito politico del momento in Euskal Herria. -------------------------

UN PRIMO PASSO PER IL PROCESSO DEMOCRATICO:
PRINCIPI E VOLONTA' DELLA SINISTRA ABERTZALE

"Siamo indipendentisti, uomini e donne di diverse generazioni che abbiamo lavorato e lavoriamo per costruire e sviluppare un progetto di liberazione nazionale e sociale. Il nostro obiettivo è la costituzione di uno Stato proprio, considerando che è l'unica forma di garantire totalmente la sopravvivenza e il pieno sviluppo del Popolo Basco, in armonia e solidarietà con il resto dei popoli d'Europa e del mondo. È il nostro legittimo progetto politico, che pretendiamo raggiungere grazie all'adesione maggioritaria della società basca.

L'attuale political-legal system, which divides our area and limits the rights of its citizens, it was confirmed as a scenario that perpetuates the political and armed conflict. It does not allow Basque citizens to decide their own future without obstacles.

In this context, it has extended much further than anyone would want the situation of violence and armed conflict, with human and political costs that everything and everyone we know. Our priority is to overcome this scenario.

The last three decades of conflict left one clear conclusion: we are a political movement to which time has proved him right. The show, from the initial need to break the Democratic rispetto al regime franchista, il «no» del Popolo Basco alla Costituzione spagnola, alla NATO o alla centrale nucleare di Lemoiz. Lo dimostra il nostro sforzo per evitare che la trappola del federalismo si consolidasse. Lo dimostra la nostra frontale opposizione al capitalismo selvaggio.

Non è stato solo nel terreno dell'opposizione e della protesta dove i e le indipendentiste abbiamo vinto battaglie politiche e ideologiche. Le proposte di soluzione e di futuro realizzate dalla sinistra abertzale hanno messo radici in ampi strati della società, in alcune occasioni in forma maggioritaria. Le iniziative per una soluzione negoziata, i disegni per raggiungere un quadro democratico o le dinamiche di costruzione nazionale, ha consentito indubbi progressi Basque in the political process.

In recent years there has been progress in certain issues that have made it not only desirable but also possible to materialize the whole population a positive change of cycle, in open political debate in the last ten years-which has located the perfect knot to find a solution-melt, at work and tireless struggle of thousands of people and social sectors that have led to the desired threshold of real political change, as well as the need to leave behind the sad consequences of this conflict. A change of cycle in place of the armed conflict, the blockade and the lack of expectation for the dialogue, agreement and a just, stable and sustainable for the country. With successes de

errors we took the process of liberation to the phase of political change. Now we have to make this change irreversible. To materialize the change also requires a change in ourselves and ourselves. We needed a deep reflection and self-criticism, and we're doing.

The independent left is well aware that this is not expected to know or what the rest of the agents in question are willing to do, but what we must do. The new phase requires new approaches, new political alliances and new tools.

Starting from the objectives to be achieved in the new phase is the recognition Euskal Herria and the national recognition of the right of self-determination, to arrive at a change it needs a growing accumulation of forces and make the comparison with the states to the ground where it is weakest, which is nothing but a political one. For this reason, the mass struggle, institutional and ideological change in power relations and the support in the international research will be key pillars of the new strategy.

basic tool for the new political and the democratic process and its commissioning, a unilateral decision of the Left Abertzale. For development you seek bilateral or multilateral agreements, with the Basque political agents, con la comunità internazionale e con gli stati per il superamento del conflitto. In definitiva, il Processo Democratico è la scommessa strategica della sinistra indipendentista per vincere il cambiamento politico e sociale.

Tutte queste considerazioni vengono comunemente condivise dalla Sinistra Abertzale nel quadro del dibattito che si sta sviluppando al suo interno con responsabilità. Allo stesso modo, attraverso questo dibattito, si pretende riaffermare come propri per tutta la sua base militante e sociale, i seguenti principi, che desideriamo condividere ora con la popolazione basca, agenti politici, sindacali e sociali del paese così come con la Comunità Internazionale:

1. La volontà popolare espressa attraverso vie pacifiche e democratiche, diviene l'unico riferimento del processo di soluzione democratica, sia per sancirne la sua messa in moto che il suo migliore sviluppo cosi come per raggiungere gli accordi che dovranno essere condivisi dai cittadini e cittadine. La Sinistra abertzale, come dovrebbero fare il resto degli attori politici, si impegna solennemente a rispettare ogni fase del processo decisionale che liberamente, pacificamente e democraticamente adotteranno i cittadini e le cittadine basche.

2. L'ordinamento giuridico-politico risultante, in ogni fase deve essere conseguenza della volontà popolare e deve garantire i diritti di tutti i cittadini e cittadine. Le cornici legali vigenti in ogni fase, non possono essere freno o ostacolo alla libera democratically expressed will of the people, but they must be guaranteed for its application.

3. The agreements to be reached in the democratic development must comply with and regulate the rights recognized in both the Universal Declaration of Human Rights, as in the International Covenant on Economic, Social and Cultural Rights International Covenant on Civil and Political Rights, as well as other international standards concerning the rights Humans, whether individual or collective.

4. The inclusive political dialogue, on equal terms, becomes the main tool for reaching agreement between different political sensitivities of the country. The left Abertzale declares its total willingness to be Part of this dialogue.

5. As part of the democratic process dialogue between the political forces should be aimed at resolving a political agreement, which must be approved by the citizens. The resulting agreement will ensure that all political projects can not only be defended with equal opportunities and in the absence of any form of coercion or interference, but that could materialize if this is the desire of most of the Basque people expressed through the appropriate legal process .

6. The democratic process needs to develop in complete absence of violence and without interference, through the use of ways and means of purely political and democratic rights. We start from the belief che questa strategia politica renderà possibili i progressi in un Processo Democratico. Sud Africa e Irlanda sono, in tal senso, l'esempio.

7. Rinnoviamo il nostro impegno con la proposta di Anoeta. In linea con essa, si devono stabilire un processo di dialogo ed accordo multipartitico a parità di condizioni tra l'insieme delle forze del paese, che favorisca la creazione di un quadro democratico con il quale la cittadinanza possa decidere liberamente e democraticamente rispetto al suo futuro come deciso dalla volontà popolare. Questo processo, deve basarsi sui principi del senatore Mitchell. Dichiariamo di assumere questi principi. D'altro canto, deve stabilirsi un processo di negoziazione tra ETA e lo Stato spagnolo che contempli la smilitarizzazione the country, the release of Basque political prisoners, return of exiles and exiled, and a fair and equitable treatment of victims of the conflict.

For all this, we reaffirm our position without reservation with respect to a peaceful and democratic political process to achieve an inclusive democracy, where the Basque people, freely and without intimidation of any kind, freely determine its future. "

Euskal Herria
November 14, 2009 Italian translation of

infoaut
http://www.infoaut.org/articolo/dichiarazione-di-volonta-della-sinistra-indipendentista-basca

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BIOMASS BOILER FOR HOUSE, A SMALL GUIDE

You have to change the boiler? Choose the biomass rather than gas. It may be economically advantageous as well as doing less harm to the climate. A small handbook to learn more about the advantages and weaknesses of the wood-burning plants, wood chips or pellets for home

Change boiler and allow natural gas to wood renewable energy today is not means signifies a return to the past. Just take a look at what the market offers, in fact, to understand that the biomass boilers on the market have little or nothing to envy , in terms of efficiency and ease of use, compared to gas models.

In fact, the wood-fired boilers and derivatives have certainly two points clear: first, that burning biomass does less harm to the environment than burning natural gas or LPG, as the CO2 emitted is the same as the plant has absorbed increasing. The second is that, once recovered the investment - considerably higher than a gas boiler - a biomass saves that continues over time unrelated to the evolution of the price of fossil fuels, whose price we know it is intended to increase. "It come quando si compera una stampante : si può spendere poco per la macchina, ma poi è il costo delle cartucce che incide” è l’efficace esempio di Marino Berton , il presidente di Aiel, l’associazione italiana energia del legno.

Ma quando vale la pena pensare ad un impianto biomassa e quali sono le tecnologie migliori? Innanzitutto bisogna distinguere le caldaie in base ai tre tipi di combustibile disponibili: legna tal quale, cippato (cioè pezzettini di legno ricavati da scarti di segherie o da potature) e pellet. Se state cercando una caldaia per un abitazione singola, a meno che is very large, exclude from the outset a plant chips : it requires a large silos and an extractor is useful only for systems 50 kW or more: it is the ideal for large centralized systems , such as those for a building, or district heating networks that connect multiple buildings. For

plants detached , especially if you have access to free or cheap fuel, an optimal solution are boilers wood quel : the most modern ones in gasification and flame arrives in reverse also yields above 90%, have an automatic ignition, are modular and interface seamlessly with a thermostat. The biggest limitation is that they require a minimum of work: full of wood, one or two a day, shall be made by hand, the ash is emptied every 2 to 3 days and - while some have an automatic mechanism that makes it for you - others require a weekly cleaning of heat exchangers. To have a biomass boiler, forget that the best solution is to pellet : the most modern are fully automated, simply empty the ash once a year and the rest is handled as a gas boiler.

But in all the houses you can install a biomass boiler? One thing to consider is the considerable space needed to store the fuel. They could also be required to work flues , although most modern biomass boilers do not require the barrel diameters greater than gas. Additional expenditure will be considered but is buffer : a tank of water that accumulates the heat, indispensable to the wood-fired boilers and also recommended for those pellets. Other recommended shopping: a control system, able to better coordinate the boiler with other sources such as solar panels

But agree as pellets and wood? The systems cost approximately 1.5 to 3 times more gas than their competitors. As long as they meet certain requirements (must have certification of the Class 3 EN 303 / 5, see the Handbook of ENEA in the Annex) - biomass boilers shall be entitled to state bonus of 55% on the machine and the work connected and, in many regions, have other special incentives. The investment for a home - which is almost always greater than 2-to 3 thousand euro - will be recovered through savings guaranteed in 3-6 years. A

concrete example we give Him thanks to estimates facts that we do from a known company in the field: one of their wood fired boilers in size suitable for single house (17 kW) the efficiency of 90% at a cost of 6,200 €. Adding the purchase of a buffer and a system of regulation and the costs of plant design and the total investment is € 13,991 (15,390 with VAT) and net 55% of the incentive becomes 6925. By saving the new wood boiler - estimating that the family consumed the first 4,500 liters of LPG per year, from a boiler efficiency of 90% - the figure, the company says, is recovered in 3.2 years: from that moment the gain will 2100 € per year .

less profitable but equally beneficial in the case of a model of pellet boiler, always with efficiency of 90% in which case, again with buffer, control system and it'll work included about 16.500 €, that is, with the 8150 tax deduction, you rifarebbe spending 5 ½ years and from that moment on it would save € 1,400 a year.

Giulio Meneghello

November 5, 2009

QualEnergia

How To Transfer Dreamweaver

a mini-guide with tips for

efficiency heating systems, advice MSI

The Energy Department Ministry of Economic Development, in collaboration with Adiconsum, Assotermica, CNA, Confartigianato and Federconsumatori, has prepared instructions for the citizen in terms of energy efficiency of heating systems.

These are some tips for buying agile boiler and useful information for maintaining the energy efficiency of heating (schedule, where to go, the disclosure requirements). Download the handbook here .

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COMUNICATO: MANNU LIBERO!!!



express as the Collettvio Bujanov maximum solidarietà per gli avvenimenti di questa mattina a Firenze.
Infatti, Stamattina lo stato, attraversto la giustizia e il suo braccio armato ha perquisito molte case di compagni adducendo motivi di ordine pubblico dopo gli ultimi scontri con il fascistume che sta riemergendo dalle fognee altre scuse.
Uno di questi compagni è stato arrestato per un probabile pericolo di fuga in sudamerica viaggio che era già programmato per febbraio e non per fuggire.
Come sempre lo stato Borghese colpisce con l'arma repressiva la parte più avanzata del popolo, la parte che lotta attivamente per la fine di questo sistema e per la creazione di un mondo migliore.
Ribadiamo la nostra solidarietà e faremo tutto quanto possibile per aiutare il compagno in carcere e daremo il nostro appoggio morale e materiale ai compagni che hanno subito questo attacco.
La solidarietà è un'arma che va usata contro questo stato e dalla quale ripartire per unire le forze contro questo sistema finto democratico.
Con questo diamo la nostra adesione al presidio e alla manifestazione.

MANNU LIBERO!
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MANNU LIBERO. SOLIDARIETA' AGLI ANTIFASCISTI PERQUISITI

Stavolta non parliamo di euskal herria, ma parliamo comunque di repressione pura e semplice.
Veicoliamo attraverso questo blog il comunicato di solidarietà ai fatti avvenuti questa mattina a firenze.
Euskal Herriaren Lagunak Valdarno maximum expresses solidarity and support to fellow florence unfairly searched, and calls aloud for freedom Mannu, unjustly imprisoned for senseless reasons.


morning the zealous police raided several houses belonging to friends and classmates at social centers and more. If this is not enough, a companion was arrested on grounds of alleged risk of flight for a trip to South America that was supposed to do, and that will, in the month of February.
Charges range from possession of suspected explosives, the reports of international solidarity, initiatives against the presence of fascists in the city, the initiatives against Forza Nuova Rignano Arno.

Pezzuti The GIP has seen fit to paper groped dell'aggravante of terrorism, using fairly extravagant as required by Pisanu Decree on the new definition of terrorism itself "shall be considered for purposes of terrorism or pipelines, by their nature or context, may seriously damage a country or an international organization and are carried out in order to intimidate a population or compelling a Government or international organization to do or abstain from performing any act or destabilizing or destroying the political fundamental, constitutional, economic and social structures of a country or an international organization the other conduct defined terrorism or committed with the purpose of terrorism by conventions or other rules of international law binding on Italy. "

We're not here to lick their wounds but is launching what it must be for each of us a practice from which no one can "opt out" solidarity

Out of every request justicialism think that is no coincidence that in the vicinity of 'latest attempt to carry out initiatives in the city by those fascist Forza Nuova, just who is going to hit in recent years has been the protagonist in preventing any kind of political freedom in these shady characters.

judiciary last year, police have acted in such a way as to try to crush any attempt in our city of political actors, through oral warnings and searches of students, invitations to the police station, to arrive at what has happened today. A climate

before which, as has often been said and written, we can not remain silent.

Especially at this time we can not think and accept that someone can not feel involved with what is happening.

know what those responsible, the face of what came to light in recent months, we will not tolerate any act of harassment toward fellow arrested.

FRIDAY 6 November 17.30

PROTEST IN THE PREFECTURE FLORENCE Via Cavour

Saturday, November 7 16.00 PIAZZA SAN MARCO

EVENT FOR THE LIBERATION OF Mannu

IN SOLIDARITY 'WITH Perquisite




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QUANDO L'IMMONDIZIA EMERGE IRRIMEDIABILMENTE (di Julen Arzuaga)

article taken from the race June 28, 2008 - written by Julen Arzuaga jurist and member of Giza Eskubideen Behatokia


Repression accumulated for many years that the English state constantly try to hide, silencing its causes as well as its effects, re-emerges always, often overflows out of this
concealment, according to the reflection of Julen Arzuaga, "if not alone, at least a small boost to some anonymous citizens.

I am reminded of an episode in which Homer tries to hide under Simson the lawn of his garden all the garbage produced by its famiglia.Fino known as the garden becomes saturated. When he tries to bury the last load of waste, covering them on one side and PLOP!, on the other hand, it seems that he had hidden in the previous week. The character goes deep into the rusty bicycle that has just gone out but the other side of the garden comes out the TV broke buried days before.

The English state and its whole structure administrative provisions, put into practice in recent years a similar system to hide the dirt, misery, pain generated by the application of different repressive mechanisms (in fact all those available), against the Basque dissidents.
He claimed that this dynamic count on absolute impunity while working for a period at least, to hide their shame under the lawn of his back garden:
emergency laws, special courts, the dirty war, the politics of "shoot to kill", the constant practice of torture, the constant tightening of prison policy,
the extension of the definition of "terrorist" at any attività pubblica e pacifica e in sostanza, questa sorta di "barra libre" della repressione che da tempo hanno inaugurato. Una dose altissima di sofferenza che ha previsto un
rabbrividente numero di perseguitati politici, numero che anche se si mettono in campo tutti gli strumenti del caso, risulta impossibile da nascondere.

Mezzi di comunicazione devoti al regime, si lamentavano del fatto che avevano poca presa sugli apparati internazionali, che gli rinfacciavano il proprio intoccabile stato di diritto (sottile ironia). Di sicuro, il
Relatore delle Nazioni Unite per la Tortura, Theo van Boven, realizzò un dossier demolitore contro lo stato spagnolo che quest'ultimo ha preferito aggirare e, per tutta risposta, ha calunniato
accusing the Dutch expert to tap into sources terroriste.Nello Specifically, the speaker compared the English context the Argentine regime of the dictator Vileda, not because of the seriousness of the facts, as to the attitude of the English authorities
, obsessed in denying the evidence. So, in front of the next request of the Rapporteur for the Defence of Human Rights in the fight against terrorism, Martin Scheinin of Finland has not played
previously assigned to the script in the English press. Since the conclusion I reached - recalling the practice of torture, the role staked by the Audiencia National, and the application of exceptional measures - did not like their government contacts, the leaders Print opted to hide its recommendations and place it directly into the pile of illegalization: "The Special Rapporteur of the UN does not condemn the attack" the release Ultramontane headline, referring to his public position
front of ETA action against the barracks of Legutiano . The items in the dossier presented by the expert, buy more value than ever: "When you start to get this china is in danger of trampling many rights."

But this stubbornness to do things "on the sly" are not just the central authorities. The act of solidarity with the victims of terrorism, organized recently by the Government of the Kursaal Gasteiz
clearly trying to cheer some and send others in the catacombs of oblivion. The so-called Ibarretxe from "Plan for Peace and Coexistence," consider that the only violence is that of the previous regime in 1978 and that of ETA. Why, interpreting it in another way, it should also give explanations on the responsibilities of its police in relation to violations of human rights of Basque citizens.

In this way, fits comfortably alongside some but against others, those others who state that they are not recognized in their suffering, much less considered, and, what is more serious, that does not take measures to prevent This painful practice is repeated, emphasizing the inability of state institutions autonomous defend its citizens.

Consistent with this attitude, the City of Zizurkil, administered by apartheid from the PNV, has canceled with the votes of the PSOE and the PP as the square dedicated to the victims of state terrorism Joxe Arregi and Jose Luis Geresta. But this position does not seem to be sufficient when the Audiencia National has called to declare the mayor of Arrigorriaga, also of PNV, for wanting to keep the name of the square dedicated to Miguel Angel Benaran "Argal. The PNV "gets on your clothes do not have to
put in the closet." But we

and citizens, we have undertaken, not without difficulty, so decided to dig in the dirt because della repressione esca in superficie. Alcuni, oggi sono sotto processo all'Audienza Nazionale a causa di questo lavoro nel procedimento 33/01 contro il movimento pro amnistia. Anche quì è arrivato il lungo mantello dell'occultamento : la presidentessa del tribunale, ha cercato di evitare che i testimoni della difesa rendessero pubbliche le loro esperienze di vita in relazione alla repressione dello stato. Così, in modo più o meno altisonante, Teresa Palacios, ha interrotto le testimonianze dei torturati
Otamendi e Romano, i racconti di Edurne Brouard, Arantza Lasa e Carmen Manas in relazione alla morte dei loro familiari per mano degli apparati più sporchi dello stato. Goreti Ormazabal non ha potuto raccontare l'esecuzione di suo fratello Juan Mari ucciso dagli agenti della Ertzaintza ; si è ammesso appena che Andoni Txasko parlasse dei fatti del 3 marzo del 76 quando la polizia armata uccise 5 operai che stavano facendo un'assemblea in una chiesa di Gasteiz, rimanendo esso stesso ferito.
Maria Josè Campos,Kontxi Luna e Mattin Troitino, hanno potuto a mala pena descrivere le condizioni di vita che subiscono i loro familiari in prigione. All'ultimo di loro, la presidentessa del tribunale interruppe
l'esposizione dell'allegato incalzandolo dicendo che non raccontasse "film".

Questa ossessione a considerare la realtà un film e provare a nascondere le cause e gli effetti della repressione è stata tuttavia inutile. Il pubblico ministero stesso durante il process, with the practice of documentary evidence led in court press reports that had to be publicly read and describing incidents of repression and state violence, with the intention to show our attitude towards them, like thousands of others. Attitudes of protest,
people who raised her voice with the only claim to disclose this hidden reality, to shed light on this. This, at least from what we could see, because we have no doubt that the sewers have been more of a meander, curves and angles are still unknown and much more obscure.

It 'obvious that the garbage accumulated in years of repression, so stubborn, spills over and over times outside the containment barriers that, who wants to bury, was placed. The misery of repression comes up constantly in order to remember their responsibility to the state. As this state, emulating Homer Simpson in the garden of his home, claiming liquidate it.

(Translation by EHL FLORENCE)

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GEOTHERMAL HEATING EFFICIENCY IN THE HOME, WHAT IS IT?

How, when and how long should a geothermal plant

Choose a geothermal system make sure it means a comfortable home, pleasantly warm in winter and cool in summer, using an environmentally friendly technology and advantageous from an economic standpoint.

The low-temperature geothermal systems are very common in residential areas, Northern Europe and the United States, while in our country are still poorly understood .

However, in recent times in Italy there was a sharp reversal: the introduction of targeted incentives for geothermal energy at low temperature (see "55% Deduction for heating" in the menu on the right) shows a clear desire to catch up Italian in the use of an energy source by enormous potential and often underestimated.

The possibility of producing, as well as hot water for heating and for sanitary purposes, including cold water to cool during the summer, makes geothermal ideal alternative to traditional systems . The big advantage is that a geothermal system incorporates only plant the same functions normally delegated to two different devices, ie, boilers and air conditioners.

a geothermal system, if properly sized, can heat and cool a building without the aid of other devices. This is called a geothermal plant monovalent.

geothermal plants, however, lend themselves very well to ' integration with other heat generators with high efficiency. Very interesting, for example, is the combination with solar thermal systems (see "Solar system combined") or condensing boilers (see Condensing Boilers "), under the bivalent.

System components

The 3 key elements of a geothermal system are:

1. A system of heat uptake

Usually this is polyethylene pipes acting as heat exchangers, using the heat energy in the ground or water.

The pipes can be buried vertically in the ground at great depths (vertical geothermal probes), or horizontally at 1-2 feet deep (probes o collettori orizzontali).

Anche l’utilizzo dell’acqua, come sorgente di calore in alternativa al terreno, comporta l’utilizzo di sonde verticali.

E’ proprio la scelta del sistema di captazione, a seconda anche dalle caratteristiche geologiche e climatiche del luogo scelto per l’installazione, a caratterizzare le diverse opzioni impiantistiche dei sistemi geotermici.

2. La pompa di calore geotermica

Installata all’interno degli edifici, la pompa di calore geotermica è il cuore dell'impianto. It allows you to transfer heat from the soil or water to the interior-warming-and to reverse the cycle during cooling.

3. A system of accumulation and distribution of heat

geothermal plants are particularly suited to work with terminal heating / cooling systems operating at low temperatures (30-50 ° C), such as radiant and ventilcovettori (see "Terminals for heating" and "terminal for cooling" in the menu on the right).

In particular, the radiant panels are the ideal solution, because circulate hot water in winter to 30-35 ° C in summer and cold water at 18-20 ° C, heating and cooling with the highest degree of comfort and energy savings. Traditional radiators, although in some cases used to work with a heat pump, however, are totally unsuited to cool environments.

The presence of a storage tank for hot water is essential to store heat and then distribute it to the building-for heating and for sanitary-where there is demand.

The integration of geothermal and solar heating systems or boilers condensation takes place thanks to the storage tank, in which water is heated by coils connected to the different heat generators.

What plot?

In general, the geothermal resource is available throughout the Italian . It 'important to know the characteristics of the subsoil that will be used as a source of heat. Specific types of land, or the presence or absence of groundwater or hydro-geological constraints, determine the feasibility or otherwise of a geothermal plant.

Only skilled operators can give us advice and information about a specific site chosen for the installation, possibly making use of geological surveys to assess accurately the quality of the geothermal resource.

new or existing buildings?

Geothermal energy is certainly recommended for all buildings newly built , where you can design the entire system from scratch for optimal performance.

For existing buildings , convenience and feasibility of a geothermal plant are to be assessed case. We must also consider the availability of the space required for the preparation of construction and installation of the probes.

It 'still recommended to install the system at building and renovation of the heating system and take advantage of ongoing work to rehabilitate the entire building from an energy point of view.

The installation of a geothermal system is a convenient choice for all existing buildings that use boilers expensive and polluting fossil fuels such as diesel or LPG. If you own a natural gas boiler, should carefully assess the costs and benefits of replacing it.

Another key issue concerns the quality of ' insulation ' s building. Consumption for heating and cooling, in fact, are largely attributable to the loss of heat. A well-insulated building is a prerequisite for the proper sizing of geothermal can provide good levels of energy saving and thermal comfort.

The need to improve the degree of insulation of buildings is particularly important for existing building stock, while new buildings or recent construction, which should be subject to stringent standards of law, are usually well insulated.

How long does the installation?

An estimate of the average lifetime of a geothermal system can be done more on some individual components and entire system.

geothermal heat pumps have a shelf life of at least 15-20 years (the duration is less than the household size), while geothermal can be successfully operated for many decades (according to some sources, up to 80-100 years).

radiant panels have a life estimated at 20-30 years.

For all the years of operation, not there is almost no maintenance.

All the advantages of geothermal

• it is heat free (except the power consumption of the heat pump) and independent of external temperatures, which ensures operation of ' facility for 365 days a year

• compared to a heating system with natural gas boiler, operating costs are lower by about 60%

• un unico sistema permette sia di riscaldare che di raffrescare l’edificio, eliminando i costi elevati per il condizionamento estivo

• contribuisce alla riduzione delle emissioni di inquinanti e di CO2 in atmosfera

• non inquina i terreni, poiché all’interno delle sonde geotermiche circolano liquidi frigoriferi antigelo completamente atossici

• la pompa Geothermal heat is an extremely quiet , like for example a refrigerator

• the absence of combustion processes and chimneys minimizes the need for maintenance.

source: Nextville

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