New Technologies and Designs in Reducing Building Energy Consumption While Improving the Market Value

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Architectural Design, Urban Science, and Real Estate".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 2832

Special Issue Editors


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Guest Editor
Department of Architecture and Arts, University IUAV of Venice, Dorsoduro 2206, 30123 Venice, Italy
Interests: real estate market; property valuation; finance; land use; architecture; restoration

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Guest Editor
Department of Architecture, Università IUAV di Venezia, Venice, Dorsoduro 2206, 30123 Venice, Italy
Interests: real estate; property valuation; building energy efficiency; design; architecture; restoration

Special Issue Information

Dear Colleagues,

How can new and smart technologies be integrated in the built environment to reduce energy consumption and reach widespread zero energy buildings (ZEB) standards?  How may such interventions affect the market value of a property after a deep retrofit?

The concept of smart adaptation of an organism to the external environment takes inspiration from nature, since living organisms possess the ability to change in response to external stimuli in order to maintain their internal comfort. The use of smart and new technologies in the field of architecture is rather recent, where the idea of “smart” usually refers to materials and technologies that are highly engineered, able to respond in an intelligent way to the changes of the external environment, as well as to vary their properties, structure or form, so as to maintain certain internal comfort conditions.

Reaching ZEB standards represents both an environmental and economic challenge that can be achieved only through very accurate energy consumption forecasts, specific life-cycle analyses, economic projections, and proper on-site management of the buildings, and new technologies are essential in this panorama.

During the use of a building, multiple factors may hinder the achievement of ZEB goals, such as improperly scheduled HVAC systems, occupant behaviour and habits, or system failures. Additionally, during the design process, building energy simulations should be based on reliable assumptions. This is because incorrect boundary conditions can lead to systematic and significant overestimation/underestimation of the energy consumption and the cash-in/out flows.

In fact, to produce reliable building energy programs, it is important to evaluate optimal design configurations, primarily through optimization procedures involving both financial and energy assessments. Optimization strategies and life cycle analyses should also increase the feasibility of the retrofit options, economically and technically.

This Special Issue is therefore dedicated to the use of new and smart technologies during the design and management of a building to achieve ZEB goals and the most economically profitable investment possible. The aim is to explore assessment models, optimized calculation procedures, measurement devices, smart platforms, and software or guidelines for the building energy design and facility management with the aim of reaching ZEB quality and the optimal allocation of the available financial resources.

Dr. Laura Gabrielli
Dr. Ruggeri Aurora Greta
Guest Editors

Manuscript Submission Information

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Keywords

  • building energy retrofit
  • new technologies
  • smart buildings
  • project management
  • economic feasibility
  • life cycle analysis

Published Papers (3 papers)

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Research

18 pages, 2236 KiB  
Article
Eco-Friendly Technology Derivation and Planning for Rooftop Greenhouse Smart Farm
by Jieun Lee, Eunteak Lim, Nahyang Byun and Donghwa Shon
Buildings 2024, 14(2), 398; https://doi.org/10.3390/buildings14020398 - 1 Feb 2024
Viewed by 1070
Abstract
Rooftop greenhouse-type smart farms are a promising solution to the climate and food crises because they can utilize waste heat and CO2 from buildings for plant growth and supply fresh produce to urban areas at a low price. However, legal and structural [...] Read more.
Rooftop greenhouse-type smart farms are a promising solution to the climate and food crises because they can utilize waste heat and CO2 from buildings for plant growth and supply fresh produce to urban areas at a low price. However, legal and structural constraints make it difficult to expand existing rooftops to accommodate smart farms, and standardized glass greenhouses are often installed as is, which may not be the most efficient or eco-friendly approach. The purpose of this study is to present a plan for integrating eco-friendly technologies between buildings and smart farms. In the study, 214 eco-friendly and smart farm cases were collected, and a database was built from the perspective of the environment and eco-friendly technology for plant growth. Thirty experts from architects, professors, and greenhouse installation companies were evaluated to determine which eco-friendly technologies can be applied to smart farms. From a building integration perspective, eco-friendly technologies applicable to smart farms were derived from a plant growth perspective. Based on the derived eco-friendly elements, it can be used in planning a rooftop greenhouse-type smart farm. Full article
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15 pages, 2360 KiB  
Article
Urban Density and Land Leverage: Market Value Breakdown for Energy-Efficient Assets
by Rubina Canesi and Giuliano Marella
Buildings 2024, 14(1), 45; https://doi.org/10.3390/buildings14010045 - 22 Dec 2023
Viewed by 659
Abstract
A real estate asset comprises land and improvements. The proportions of these components vary over time and across locations. Notably, the land value component is consistent over time, unaffected by depreciation. Consequently, the weight of land value in determining the overall asset value [...] Read more.
A real estate asset comprises land and improvements. The proportions of these components vary over time and across locations. Notably, the land value component is consistent over time, unaffected by depreciation. Consequently, the weight of land value in determining the overall asset value is crucial, particularly in those improvements that are highly sensitive to depreciation, such as energy-efficient buildings. While several studies have explored the relationship between energy-efficient building consumption and urban density, there is currently a research gap concerning the relationship between land value and the value of efficient improvements built on it. Before investigating this potential relationship, it is imperative to preliminary examine any possible correlations between land values and land density. To verify this correlation, we captured the “Land Leverage” of a real estate property by calculating the ratio between the value of the land and the total value of the real estate property and correlating it with the allowable density. Our analysis of the Land Leverage (LL) trend in a restricted development area over a ten-year period demonstrates that LL increases with the level of permitted density in a neighborhood. This evidence will serve as the foundation to verify whether Land leverage, through urban-densification strategies, might be a pivotal factor in driving the values of energy-efficient assets. Full article
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15 pages, 3038 KiB  
Article
What Is the Impact of the Energy Class on Market Value Assessments of Residential Buildings? An Analysis throughout Northern Italy Based on Extensive Data Mining and Artificial Intelligence
by Aurora Greta Ruggeri, Laura Gabrielli, Massimiliano Scarpa and Giuliano Marella
Buildings 2023, 13(12), 2994; https://doi.org/10.3390/buildings13122994 - 30 Nov 2023
Cited by 2 | Viewed by 735
Abstract
Regarding environmental sustainability and market pricing, the energy class is an increasingly more decisive characteristic in the real estate sector. For this reason, a great deal of attention is now devoted to exploring new technologies, energy consumption forecasting tools, intelligent platforms, site [...] Read more.
Regarding environmental sustainability and market pricing, the energy class is an increasingly more decisive characteristic in the real estate sector. For this reason, a great deal of attention is now devoted to exploring new technologies, energy consumption forecasting tools, intelligent platforms, site management devices, optimised procedures, software, and guidelines. New investments and smart possibilities are currently the object of different research in energy efficiency in building stocks to reach widespread ZEB standards as soon as possible. In this light, this work focuses on analysing 13 cities in Northern Italy to understand the impact of energy class on market values. An extensive data-mining process collects information about 13,093 properties in Lombardia, Piemonte, Emilia Romagna, Friuli Venezia-Giulia, Veneto, and Trentino alto Adige. Then, a feature importance analysis and a machine learning forecasting tool help understand the influence of energy class on market prices today. Full article
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