The aim of the thesis is the energy rating of buildings. The introduction included the issues of the topic, including normative and legislative regulations, process energy performance certificates along with energy audits for residential building. The object is evaluated in terms of energy, economic and environmental. Within the energy audit was designed and evaluated austerity measures.

This thesis deals with current topics of today, such as the issue of valuation of real estate and energy performance of buildings. The content is divided into a theoretical part where the first general and then specifically looks at the issue, and the practical part, which contains the calculations for determining the price of the selected house by direct comparison and cost methods by decree. It also specifies the energy performance of the house in its current state, and after the thermal insulation. Orientation also the return on the investments made from the perspective of the investor. The aim of this study is to assess the extent to which there is an increase in the price of a house due to the thermal insulation.

The Master thesis is focused on rating the specifics of passive houses and assessment whether the energy savings in the operation of passive house will cover the increased cost of construction. The theoretical part deals with the history and development of passive houses, application of natural materials, sustainable resources of energy and indicators for the evaluation of economic efficiency. The practical part describes passive and standard house. On the standard house, there is processed financial plan. Reference objects are compared, followed by evaluation of the return on the additional costs of the passive house.

The thesis deals with the assessment of the current proposal for pension envelopes along with proposing alternative plans with emphasis on reducing heating costs. The first section describes the types of buildings according to heating demand and output energy performance of buildings. Work also deals with a list of different variants of thermal insulation materials and design options outer insulation of the building envelope. It outlines fire characteristics of building materials and options of construction budget. The second part is devoted to a specific pension house in the Old Rejviz for which there are designed in three variants of insulation. These variants are then reviewed in terms of thermal insulation. Through research will bedetermined price of implementation of proposed insulation options together with the costs of operation of the pension. The conclusion is to evaluate each proposed version of insulation of the building envelope associated with the economic return on investment.

A goal of this Master's Thesis is an energy audit of an apartment building situated in Brno, the southmoravian region. The theoretical part is focused on a Czech Republic legislation, methods of an energy evaluation of houses and injurants of an internal microclimate. In the next part the main focus is on a processing of the energy audit of the apartment building. One of details of this processing is a design of precautions. From these, variants are created, focusing to choose the most economical and ecological one. The last part of this Master's Thesis is devoted to an usage of available software applications. Here are described computer programs, used for a creation of a 3D model. Also, a description of a calculation of thermal loses and the calculation of coefficients of heat transfer using a quasi-stationary technique is present. At the end a detailed description of one year simulation of the apartment building is provided.

The subject of diploma thesis is energy assessment of the building according to BREEAM methodology. First chapter overviews certification systems. The main part of the thesis consists of energy assessment of the building with application of BREEAM requirements. Specifically, building, its systems and interior environment analysis has been carried out, determination of heat transfer coefficients and production of energy performance certificate. Energy assessment of the building is carried out in accordance to BREEAM criteria. Third part contains analysis and evaluation of thermal comfort.

The interlinking of enriched BIM data to Building Energy Performance Simulation (BEPS) models facilitates the data flow throughout the building life cycle. This seamless data transfer from BIM to BEPS models increases design efficiency. To investigate the interoperability between these models, this paper analyses different data transfer methodologies along with input data requirements for the simulation process. Based on the analysed knowledge, a methodology is adopted and demonstrated to identify the quality of the data transfer process. Furthermore, discussions are provided on identified efficiency gaps and future work.:Abstract Introduction and background Methodology Methodology demonstration Creation and export of BIM data Verification of OpenBIM meta-data BEPS model generation and validation Import statics Model Geometry and Orientation Construction details Thermal Profile Results and discussion Summary and future work References

Energy Performance Contracting (EPC) is an important tool to disseminate energy efficiency measures. This study focuses on the main barriers and success factors for EPC market in order to build capacity in this subject. A pilot study of questionnaire took part among the local authorities of four countries within the European Union; Croatia, Denmark, Czech Republic and Slovakia. The results of this pilot study were combined with the results of a literature research to identify common disadvantages and key points of the market. Afterwards, the most important actions to be taken on national and international level in European Union were discussed. According to this study, the supportive legal framework for the energy efficiency measures, access to financial resources, reliable energy consumption data and trust in Energy Service Companies (ESCOs) were remarked as the essential factors for increasing the capacity of the EPC. / Intelligent Energy Europe, ManagEnergy

Dans un contexte de lutte contre le réchauffement climatique, le bâtiment est un secteur stratégique du fait de sa forte consommation de chaleur et d’électricité. Le solaire, thermique et photovoltaïque, a de forts atouts pour répondre à cet enjeu avec une compétitivité qui s’accélère. En particulier, le solaire hybride PVT est prometteur avec un double gain : l’extraction de la chaleur sous le module photovoltaïque apporte à la fois un gain de rendement électrique, et un gain de par l’utilisation de cette chaleur pour les besoins du bâtiment. L’état de l’art permet de toucher du doigt la diversité des concepts de solaire hybride, et le PVT plan non survitré à eau a été retenu dans cette thèse. Pour faire face à des problématiques de durabilité et de performance, DualSun a conçu un module hybride avec un échangeur en acier inoxydable directement laminé pendant le process du module photovoltaïque.L’analyse de ces capteurs est faite en Partie I, d’abord avec un modèle 3D de l’échangeur. Ce modèle permet de déterminer des débits minimaux, de quantifier l’intérêt à ne pas isoler les bords du module et de visualiser que la perte de charge pour ce concept est principalement liée aux entrées et sorties du module mais reste tout à fait acceptable. Devant les limitations en termes de périmètre et de temps de calcul de ce modèle 3D, des modèles simplifiés sont proposés et comparés. Les résultats de ces modèles simplifiés corroborent une température de stagnation du concept DualSun de l’ordre de 75°C, ce qui confirme que le design est intrinsèquement résiliant à la surchauffe même en l’absence de besoins. Enfin les performances thermiques sur 9 prototypes avec des variations de composition couche par couche ont confirmé que le modèle est robuste. La puissance thermique(non isolé) est de 758W thermique pour un besoin à 30°C et la puissance photovoltaïque de 250Wc électrique dans des conditions extérieures standards (STC).Une analyse système de ces modules intégrés dans un ensemble complexe est réalisée dans la Partie II. Pour le système dit préchauffage d’eau sanitaire en maison individuelle (CESI), les quatre logiciels PVSyst, PVGis, Polysun, Solo sont comparés au logiciel Trnsys avec les Type 295 et Type 816 qui intègrent les deux modèles simplifiés du module définis dans la partie I. Les modèles physiques de ces logiciels sont cohérents entre eux dans le domaine d’utilisation.Les résultats de ces logiciels utilisés à partir de données statistiques pour la météo et les habitudes de consommation sont comparés à des mesures terrain sur 28 installations CESI hybride chez des particuliers. L’objectif a été de quantifier les erreurs d’estimation des prédictions statistiques par rapport au réel. Si l’écart type sur productible photovoltaïque et les températures maximales atteinte par les modules reliés à l’incertitude sur la météo est faible (environ 10%), l’écart type sur l’estimation du besoin sur la base d’un volume moyen consommé est beaucoup plus forte (de l’ordre de 30%) du fait d’un comportement très irrégulier de consommation chez les particuliers en terme d’heure et de volume de puisage en fonction des jours. Les températures moyennes atteintes au niveau des modules sont supérieures à 45°C pendant la moitié de l’année et permettent un préchauffage effectif du ballon sanitaire. Des couvertures solaires des besoins d’eau chaude de 57-58% sont mesurées près de Lyon.Dans le chauffage d’eau sanitaire collectif en couplage pompe à chaleur (HP+) ou en chauffage piscine (SP), les modèles statistiques permettent une évaluation des productibles du fait d’une stabilité des besoins.En conclusion, le solaire hybride devrait être une technologie clé de la transition énergétique pour les bâtiments dans les années à venir, sa compétitivité avec le vecteur électrique est déjà réelle. La technologie est appelée à évoluer pour réduire ses coûts d’année en année à l’instar du photovoltaïque et renforcer ainsi son positionnement face au gaz. / In the context of the fight against climate change, the building is a strategic sector to address because of its high consumption of heat and electricity. Solar energy, both thermal and photovoltaic, has strong assets to meet this challenge and is becoming more and more cost-competitive. In particular, the PVT hybrid solar is a promising solution with a double advantage: the extraction of heat under the photovoltaic module brings both a gain in electrical efficiency, and a gain by generating heat for the needs of the building. The state of the art demonstrates the diversity of solar hybrid technologies, and this thesis specifically addresses the unglazed flat-plate design with water as the heat transfer fluid. To address sustainability and performance issues, the company DualSun designed a PVT hybrid module with a stainless steel heat exchanger directly laminated during the photovoltaic module process.The analysis of the DualSun collector is done in Part I, first with a 3D model of the exchanger. This model makes it possible to determine minimum flows, to quantify the interest not to insulate the edges of the module and to visualize that the pressure drop for this concept is mainly related to the inlets and outlets of the module but remains acceptable. Given the limitations in terms of scope and calculation time of this 3D model, simplified models are proposed and compared. The results of these simplified models corroborate a stagnation temperature of the DualSun concept of around 75°C, which confirms that the design is intrinsically resilient to overheating even in the absence of hot water consumption. Finally, thermal performance on 9 prototypes with layer-by-layer composition variations confirm that the model is robust. The models demonstrate that the 250Wp non-insulated version of the PVT panel has a thermal power output of 758 Wth for hot water needs at 30°C.A system analysis of these modules integrated in a complex system is carried out in Part II. For the preheating Domestic Hot Water system (DHW), four software programs, PVSyst, PVGis, Polysun, Solo are compared to Trnsys with the Type 295 and Type 816, which integrate the two simplified models of the module defined in the section I. The physical models of these software programs are consistent with each other in the field of use.The results of these software programs used from statistical data for the weather and consumption habits are compared to field measurements on 28 DHW (domestic hot water) hybrid installations in private homes. The objective was to quantify the errors of estimation of the statistical predictions with respect to the reality. While the standard deviation of PV output and maximum temperatures reached by the modules related to the uncertainty on the weather is low (about 10%), the standard deviation of estimated hot water needs based on an average consumption is much higher (about 30%) because of irregular consumption behavior in individuals in terms of time and volume depending on the days. The average temperatures reached at the level of the modules are higher than 45°C during half of the year and allow an effective preheating of the sanitary tank. Solar covering of hot water needs of 57-58% are measured near Lyon.For combined solar and heat pump (HP+) systems in multi-dwelling buildings and for pool heating (SP) systems, statistical models allow a reliable evaluation of the energy production because of stable hot water needs.In conclusion, solar hybrid should be a key technology for the energy transition of buildings in the coming years. PVT technology will evolve to reduce costs from year to year as observed with photovoltaic technology and thus strengthen its cost-competitive position against gas as a heat source for homes and buildings.

The master project is divided into three parts. The problematic of first and second part is kindergarten building, its technical equipment and management systems. The third part deals with financial, energy and environmental comparison of different heat systems. The kindergarten is single-storey building without basement and is located in Ronov nad Doubravou, Czechia. Building is based on strip footing and structural system is masonry wall system with gable roof. Material of both load-bearing and non-bearing walls are sand-lime blocks. External walls are insulated by external thermal insulation composite system. Vertical structures are designed from wooden lattice truss. The building site contains also outdoor parking lot and a garden with a playground.