Potential for energy conservation in apartment buildings

Balaras, Constantinos A.; Droutsa, Kalliopi G.; Asimakopoulos, D. N.

doi:10.1016/s0378-7788(99)00028-6

Cited by 162 publications

(71 citation statements)

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“…According to the same study, external shadings (e.g. awnings) and light-colored roof and external walls reduced the space cooling load by 30% and 2-4%, respectively (Balaras, Droutsa, Argiriou, Asimakopoulos, 2000).…”

Section: Introductionmentioning

confidence: 93%

Trust in a viable real estate economy with disruption and blockchain

Veuger

2018

124

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Centre for Real Estate -in daily speaking 'CEJ' -is the new centralized real estate centre in the Danish public authority, Capital Region of Denmark. Since 1 January 2017, more than 700 employees have been part of the centre, which has the task of creating, operating and optimizing the buildings owned by the regional authority. The trusted FM partnerThe Capital Region is responsible of hospitals, mental health services, research, disability services, social services and solving environmental tasks. The building stock is approx. 2 million m 2 with a portfolio consisting of more than 750 single buildings at more than 70 locations. The strategic ambition in CEJ is to become the trusted partner for the regions core businesses and not as de facto the default FM organization. In this article we share our first experiences as inspiration to others who are considering a change process from decentral to central facilities management. The preparationsThe corporate management decided in 2015 that the preparations of a centre for real estate should take place in 2016 and 1 of January 2017 was set as the formal opening day. Mogens Kornbo started as CEO of CEJ the 1. March 2016 and during the spring, summer and fall the contours of CEJ started to settle. The centre should be a real estate and facilities management centre, the hospitals etc. should hand over responsibilities together with employees and budgets and a process was started to prepare and motivate the 720 employees who was about to change their organizational association and become the vast majority of the CEJ employees. An important part of the preparations was the constellation of the organizational structure. It consists of a CEO and deputy with representation in the corporate management, supported by administrative staff and 5 units of  System and processes  Planning and building projects  Operation and technique  Energy and environment  Logistics and supply chain The REFM scopeCEJ´s is set out to be a Real Estate FM (REFM) centre that unites ownership, investment and operational optimization in one and the same organization. The responsibilities are in general the physical environment and the technical services related to operation of buildings including: indoor and outdoor building maintenance, technical service, outdoor areas, fire and safety, indoor environment, waste handling parking and environment. In the future we might grow with other FM services, but currently cleaning, catering, receptions, guard etc. is not included in our responsibilities. These FM tasks remain for the time being in the core business organizations. Corporate economy, IKT and HR on are also not the responsibility of CEJ, as the region has other centres with this as their resort. 9The financial basisThe economic negotiations were challenging and they still are. Top management at the hospitals accepted or even supported the idea of a central real estate organization, but like in all other situations where resources are limited; there were at times hard negotiations about transfer...

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Section: Introductionmentioning

confidence: 93%

Trust in a viable real estate economy with disruption and blockchain

Veuger

2018

124

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“…Consequently, the short and medium terms environmental benefits must come from building retrofitting. In many case, this retrofitting would have to be done even without consideration for the energy efficiency since acceptable living conditions standards were much lower in the past or because some element of the building degraded over time [119]. These circumstances provide an opportunity to largely improve the energy efficiency of a building with a minimal addition of embodied energy.…”

Section: Building Retrofittingmentioning

confidence: 99%

Sustainable Buildings: An Ever Evolving Target

2011

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Environmental considerations have called for new developments in building technologies to bridge the gap between this need for lower impacts on the environment and ever increasing comfort. These developments were generally directed at the reduction of the energy consumption during operations. While this was indeed a mandatory first step, complete environmental life cycle analysis raises new questions. For instance, for a typical low thermal energy consumption building, the embodied energy of construction materials now becomes an important component of the environmental footprint. In addition, the usual practice in life cycle analysis now appears to call for some adaptation-due to variable parameters in time-to be implemented successfully in building analysis. These issues bring new challenges to reach the goal of integrated design, construction, commissioning, operation, maintenance, and decommissioning of sustainable buildings.

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“…For example, in [7][8][9] the choices of heating system in detached houses were analysed in combination with different ECMs and parameters such as cost-effectiveness, primary energy use and CO 2 emissions. The potential for energy conservation in apartment buildings has been studied in [10,11]. A number of papers have also concentrated on developing simulation and optimisation models for residential heating systems, often in combination with ECMs [12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Energy conservation measures in buildings heated by district heating – A local energy system perspective

Difs

Bennstam²,

Trygg

et al. 2010

Energy

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The extensive energy use in the European building sector creates opportunities for implementing energy conservation measures (ECMs) in residential buildings. If ECM are implemented in buildings that are connected to a district heating (DH) system, the operation of DH plants may be affected, which in turn may change both revenue and electricity production in cogeneration plants. In this study a local energy system, containing a DH supplier and its customer, has been analysed when implementing three ECMs: heat load control, attic insulation and electricity savings. This study is unique since it analyses economic and CO 2 impacts of the ECMs in both a user and a supplier perspective in combination with a deregulated European electricity market. Results show that for the local energy system electricity savings should be prioritised over a reduction in DH use, both from an economic and a global CO 2 perspective. For the DH supplier attic insulation demonstrates unprofitable results, even though this measure affects the expensive peak load boilers most. Heat load control is however financially beneficial for both the DH supplier and the residences. Furthermore, the relation between the fixed and variable DH costs is highlighted as a key factor for the profitability of the ECMs.

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Potential for energy conservation in apartment buildings

Cited by 162 publications

References 1 publication

Trust in a viable real estate economy with disruption and blockchain

Trust in a viable real estate economy with disruption and blockchain

Sustainable Buildings: An Ever Evolving Target

Energy conservation measures in buildings heated by district heating – A local energy system perspective

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