Încadrarea în clasa energetică a unei locuințe sub norme germane și românești

Masterand : BACIU EmilCoordonator: Prof. Univ. Dr. Ing.

ISOPESCU Dorina Nicolina

Certificatul energetic se realizează doar pentru clădiri existente. Pentru clădirile proiectate se realizează doar un calcul termotehnic.The KfW Efficiency House 55 (formerly KfW 40 house after EnEV 2007) takes its name from a funding category of the KfW (Kreditanstalt für Wiederaufbau). This promotes according EnEV the construction or purchase of energy-saving property with low-interest loans. One criterion or class here is the type of house KfW Efficiency House 55 (formerly KfW 40 house after EnEV 2007). There are according to EnEV 2009 but again a KfW Efficiency House 40, therefore made frequent ambiguities and confusion.KfW (Kreditanstalt für Wiederaufbau )- Instituție de credit finanțare pentru reconstrucție (specialised institution for financing the reconstruction of the young Federal Republic of Germany)

Definition KfW Efficiency House 55For a KfW Efficiency House 55 (previously KfW 40 house), the energy requirement per square meter per year may in relation to the standard (100%, the so-called low-energy house (KfW 100) according to EnEV) only 55% consume so much energy (hence KfW 55 house ), ie 45% less energy consumption:1. The annual primary energy requirement (Qp) (total energy consumption of a building) may not exceed 55% of Refrenzgebäudes after EnEV of 2009.2. The so-called HT-value (durchscnittlicher, specific Transmissionswäremverlust the building envelope to the outside) must lie at least 45% below the peak value of the EnEVThis usually is accomplished by air-tightness with a central ventilation system and heat recovery to about 80%. Even a modern heating with renewable energy sources, good insulation and a southern exposure with appropriate construction and windows are recommended. What meets the requirements in detail, therefore depends always on the individual case and is sometimes not always easy to determine or calculate. If in doubt, can be sufficiently advised here, there already has to be alone in the financing and value retention on such criteria.

The program for the promotion of KfW was called "Ecological Construction" and went up to a loan amount of 50,000 euros. Meanwhile, calls the program "Energy-efficient Construction". Here should be noted that quite often result in program and support change within the framework of the energy turnaround. Rely in advance of the plans so do not hasty to a promotion, but you can research exactly - incl. Temporal advance planning.

Note Mr. Delker: With the EnEV 2009 the figures have been reduced by approximately 30%, so that the analogy between KfW Efficiency House 55 and KfW 40 house only on the basis of the EnEV applies of 2007.

The standard energy consumption of the KfW Efficiency House 55 you can reach by different remedial measures. So you can better external wall insulation, roof insulation, new heating system (wood pellets, biomass heating or heat pumps), window insulation and solar systems, reduce your energy consumption for heating and achieve the values of the KfW-efficiency house 55th