scholarly journals Co-benefits of Energy-Efficient Air Conditioners in the Residential Building Sector of China

2020 ◽  
Vol 54 (20) ◽  
pp. 13217-13227
Author(s):  
Xu Wang ◽  
Pallav Purohit ◽  
Lena Höglund-Isaksson ◽  
Shaohui Zhang ◽  
Hong Fang
Keyword(s):  
Energy Efficient ◽  
Residential Building ◽  
Building Sector ◽  
Air Conditioners

Energy development in Nigeria and the need for strategic energy efficiency practice scheme for the residential building sector

2015 ◽  
Vol 26 (1) ◽  
pp. 21-36 ◽  
Author(s):  
Ibrahim Udale Hussaini ◽  
Noor Hanita Abdul Majid
Keyword(s):  
Energy Efficiency ◽  
Energy Efficient ◽  
Energy Demand ◽  
Residential Building ◽  
Strategic Plan ◽  
Energy Development ◽  
Building Sector ◽  
Content Type ◽  
Improve Energy Efficiency ◽  
The Government

Purpose – The purpose of this paper is to seek ways to improve energy efficiency in the residential building sector of Nigeria. This is necessary so as to promote a wider scope of energy efficiency practice in order to reduce energy demand on the central power supply of the nation and as well-attain reasonable level of energy security. Design/methodology/approach – However, the objective of the study is to propose a strategic plan (scheme) of energy efficiency practice for the housing sector of the Nigerian economy. To accomplish this task, a review of the main issues of energy efficiency; the current energy situation in Nigeria; and the challenges to implementing energy efficiency in the country was undertaken. Findings – Finally, remedial measures to achieving energy efficiency in the Nigerian households were proffered by the provision of a “strategic scheme” to be accomplished by the government and the housing stakeholders. Research limitations/implications – It is evident that a strategic plan or framework must be put in place in order to overcome the challenges of energy efficiency in the residential building sector. And this framework is to adequately address the issues of design practice, the efficiency of appliances in use and the housing occupant behaviour. Practical implications – The main goal is the attainment of energy-efficient households in Nigeria through the application of EE practice strategies. Originality/value – The study highlights on the energy development level of the country. It has also identified the numerous barriers as well as the principal actors to achieving energy-efficient households in Nigeria. After all, the suggested “plan of action” as provided in the scheme is to serve as a benchmark and reference point to the government, the housing stakeholders as well as the housing occupant for the attainment of energy efficiency.

scholarly journals Radiant Conditioning Retrofitting for Residential Buildings

Energies ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 449
Author(s):  
Hung Q. Do ◽  
Mark B. Luther ◽  
Mehdi Amirkhani ◽  
Zheng Wang ◽  
Igor Martek
Keyword(s):  
Energy Efficient ◽  
Residential Buildings ◽  
Residential Building ◽  
Efficient Solutions ◽  
Time Lags ◽  
Building Stock ◽  
Air Conditioners ◽  
The Hours ◽  
Residential Building Stock ◽  
Building Components

In order to achieve Australia’s greenhouse gas emissions reduction targets, a majority of the existing residential building stock in Australia will require retrofitting in favour of energy-efficient solutions. This paper considers retrofitting for conditioning to be one of the most straightforward and offers the greatest potential to deliver significant comfort and energy-saving results. Radiant conditioning systems are not new, yet some game-changing innovations have taken place over the last decade that may require an entire paradigm shift in the manner we condition our buildings. The reiteration of the principle ‘thermally active systems’ suggests that our buildings need to accommodate these systems into the fabric of building components. However, extremely few products and/or innovative solutions for doing such seem to be provided by the industry. We seem incompetent with solutions that are not costing the Earth, insulating, lightweight, and offering an instant response time to conditioning. We still have the concept embedded in our minds that radiative systems consist of heavy ‘combat’ construction with time lags of a day or two and that they are very costly to implement, especially if we are to retrofit a project. The purpose of this paper is to rectify and change our understanding of radiant systems, namely through a review of the existing technology and its recent advancements. It intends to introduce the fact that radiant systems can become highly reactive, responsive, and thermally dynamic conditioning systems. Lightweight radiant systems can be 40% more energy-efficient than common air conditioners and can respond in less than 15 min rather than in the hours required of heavy radiant systems. Thus, an insulated, lightweight radiant system is ideal for retrofitting residential buildings. Furthermore, this paper supports and introduces various systems suited to retrofitting a residential building with hydronic radiant systems.

scholarly journals Trends in best-in-class energy-efficient technologies for room air conditioners

2021 ◽  
Vol 7 ◽  
pp. 3162-3170
Author(s):  
Nihar Shah ◽  
Won Young Park ◽  
Chao Ding
Keyword(s):  
Energy Efficient ◽  
Air Conditioners

scholarly journals Implementation of BIM Modelling and Simulation Tools in Reducing Annual Energy Consumption of Multifamily Dwellings

2020 ◽  
Vol 170 ◽  
pp. 01002
Author(s):  
Subbarao Yarramsetty ◽  
MVN Siva Kumar ◽  
P Anand Raj
Keyword(s):  
Energy Efficient ◽  
Energy Use ◽  
Construction Materials ◽  
Residential Building ◽  
Energy Simulation ◽  
Point Of View ◽  
Rotational Angle ◽  
Existing Building ◽  
Simulation Tools ◽  
Efficient Option

In current research, building modelling and energy simulation tools were used to analyse and estimate the energy use of dwellings in order to reduce the annual energy use in multifamily dwellings. A three-story residential building located in Kabul city was modelled in Revit and all required parameters for running energy simulation were set. A Total of 126 experiments were conducted to estimate annual energy loads of the building. Different combinations from various components such as walls, roofs, floors, doors, and windows were created and simulated. Ultimately, the most energy efficient option in the context of Afghan dwellings was figured out. The building components consist of different locally available construction materials currently used in buildings in Afghanistan. Furthermore, the best energy efficient option was simulated by varying, building orientation in 15-degree increments and glazing area from 10% to 60% to find the most energy efficient combination. It was found that combination No. 48 was best option from energy conservation point of view and 120-degree rotational angle from north to east, of the existing building was the most energy-efficient option. Also, it was observed that 60% glazing area model consumed 24549 kWh more electricity compared to the one with 10% glazing area.

Energy consultants calculating sustainability for residential buildings

Facilities ◽  
2019 ◽  
Vol 37 (11/12) ◽  
pp. 825-838 ◽  
Author(s):  
Roger Andre Søraa ◽  
Håkon Fyhn ◽  
Jøran Solli
Keyword(s):  
Design Process ◽  
Energy Efficient ◽  
Design Methodology ◽  
Residential Buildings ◽  
Qualitative Interviews ◽  
Implementation Process ◽  
Building Sector ◽  
Content Type ◽  
Practical Implications

PurposeThis paper aims to investigate the role of a particular energy calculator in enhancing the energy efficiency of existing homes by asking how this calculator was developed and how it is domesticated by craftspeople working as energy consultants.Design/methodology/approachThe study is based on qualitative interviews with users and producers of the energy calculator (n= 22), as well as participation in energy consultation training.FindingsThe paper finds that, in the energy calculator, there is a striking lack of connection between the domestication and script because of lack of energy consultants’ involvement in the design and implementation process.Practical implicationsThe enrolment of energy consultants as energy calculator users earlier in and throughout the design process could be valuable in making the transition to an energy-efficient and environmentally friendly building sector.Social implicationsThe paper argues for recognition of the role of energy consultants, especially craftspeople, as participants in the design process for tools of governance. This is a call to acknowledge the value of particular skills and experiences possessed by craftspeople doing home consultation.Originality/valueBy understanding the intricate developer–user synchronicity in tools developed for upgrading the building sector, energy mitigation can be made more effective.

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