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Obnova toplotnega ovoja enostanovanjske hiše na Izlakah : diplomska naloga
ID Jeretina, Polona (Avtor), ID Kunič, Roman (Mentor) Več o mentorju... Povezava se odpre v novem oknu, ID Košir, Mitja (Komentor), ID Božiček, David (Komentor)

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Izvleček
Diplomska naloga temelji na obstoječem objektu enostanovanjske hiše na Izlakah, ki je bila zgrajena v zgodnjih 80. letih 20. stoletja. Tako kot večina takrat grajenih objektov je potrebna celotne prenove in obenem izvedbe obnove toplotnega ovoja za namen učinkovitejše rabe energije. V diplomski nalogi je predstavljen in analiziran toplotni ovoj obstoječega in prenovljenega stanja objekta s programskim orodjem Ubakus. Toplotni mostovi so bili identificirani s pomočjo posnetkov toplotne IR kamere, njihova linijska toplotna prevodnost pa je bila določena s standardom SIST EN ISO 14683. Na podlagi teh podatkov je s pomočjo programa KI Energija izračunana energijska učinkovitost obstoječega stanja. Sledi predlog obnove obstoječega stanja, ki je bila narejena na podlagi »Pravilnika o učinkoviti rabi energije v stavbah – PURES« [1] in zahtev za pridobitev subvencije Eko sklada. Celovita obnova je razdeljena na štiri dele obnove: fasada, streha, medetažna konstrukcija in zunanje stavbno pohištvo. S tem je prikazana preglednost energijske prenove posameznega dela obnove. Iz dobljenih rezultatov je razvidno, da je prihranek toplote za ogrevanje po celotni obnovi 21641 kWh/leto. Pri delni obnovi stavbnega ovoja je najbolj učinkovita zamenjava zunanjega stavbnega pohištva, s katero privarčujemo 7381 kWh/leto, sledi obnova fasade s prihrankom 6248 kWh/leto, obnova medetažne konstrukcije s prihrankom 4201 kWh/leto in obnova strehe s prihrankom 868 kWh/leto. Na koncu je narejena ocena ekonomičnosti posamezne faze obnove po predračunu podjetja Zagrad d. o. o. in upoštevanju subvencije Eko sklada glede na strošek ogrevanja s toplotno črpalko in pečjo na kurilno olje. Ker je ogrevanje s pečjo na kurilno olje 2,53-krat dražje od ogrevanja s toplotno črpalko, je smiselno izbrati sistem ogrevanja s toplotno črpalko. Posledično je čas pokritja stroškov investicije (glede na prihranek stroškov za ogrevanje) bistveno daljši.

Jezik:Slovenski jezik
Ključne besede:IR kamera, toplotni ovoj, toplotni mostovi, ISO 14683:2007, obnova, KI Energija, PURES, energijska učinkovitost, energijska prenova, Eko sklad, Zagrad d. o. o.
Vrsta gradiva:Diplomsko delo/naloga
Tipologija:2.11 - Diplomsko delo
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:[P. Jeretina]
Leto izida:2020
PID:20.500.12556/RUL-114772 Povezava se odpre v novem oknu
UDK:699.86:728.3(497.4Izlake)(043.2)
COBISS.SI-ID:15942659 Povezava se odpre v novem oknu
Datum objave v RUL:08.03.2020
Število ogledov:1963
Število prenosov:432
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Renovation of the thermal envelope of detached house in Izlake : graduation thesis
Izvleček:
The diploma thesis is based on the existing building of a single family house in Izlake, which was built in the early 1980s. Like most buildings constructed at that time, it needs complete renovation and at the same time a renewal of the thermal envelope in order to be more energy efficient. The diploma thesis presents and analyses the thermal envelope of the existing and renovated condition of the building using the Ubakus software tool. Thermal bridges were identified using thermal imagery, while their linear thermal transmittance was determined by the standard SIST EN ISO 14683. Based on these data, the energy efficiency of the existing condition was calculated using the KI Energy program. This is followed by a proposal for the restoration of the existing condition, which was made on the basis of the "Rules on Efficient Use of Energy in Buildings (PURES)" [1] and the requirements for obtaining an Eco Fund grant. The complete renovation is divided into four parts of the renovation: facade, roof, interstorey structure and exterior joinery. This demonstrates the transparency of the energy renovation of each part of the renovation. The obtained results show that the total heat energy savings for the whole renovation is 21641 kWh/year. Regarding the partial renovation of the thermal envelopment, the most efficient is the replacement of the exterior joinery with savings of 7381 KWh/year, followed by the facade renovation with savings of 6248 kWh/year, the restoration of the interstorey structure with savings of 4201 kWh/year and the renovation of the roof with savings of 868 kWh/year. Finally, the economics of each part of the renovation is made according to the estimate of the company Zagrad d. o. o. and the Eco Fund grant, given the cost of heating with a heat pump and a fuel oil stove. Since heating with a fuel oil stove is 2.53 times more expensive than heating with a heat pump, it is reasonable to choose a heating system with a heat pump. As a result, the time to cover the investment costs is significantly longer, given the cost savings for heating.

Ključne besede:IR camera, thermal envelope, thermal bridges, energy efficiency, energy renovation, Eco Fund, Zagrad d. o. o.

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