A prototype of an indoor monoblock heat pump was tested at multiple ambient temperatures, to determine heat output, COP and the impact of defrosting events. Component efficiencies and the ice accumulation process were analysed. Options to improve performance were suggested.

The energy management systems industry in the built environment is currently an important topic. Buildings use about 40% of the total global energy worldwide. Therefore, the energy management system’s sector is one of the most influential sectors to realize changes and transformation of energy use. New …

Auditions form the gold standard for hiring practices in symphonic orchestras around the world. Nevertheless, research examining how auditions are evaluated by panel members remains sparse. The purpose of this brief research note is to present findings from a pilot project examining the feedback content …

The goal of a local energy community (LEC) is to create a more sustainable, resilient, and efficient energy system by reducing dependence on centralized power sources and enabling greater participation and control by local communities and individuals. LEC requires transformations in local energy systems, …

The online grocery industry gained momentum during the worldwide pandemic and still is one of the fastest-growing e-commerce segments. Regarding sustainability, digital grocery services can perform better in comparison to traditional supermarkets; however, they can still negatively impact the environment …

There is an ongoing transition towards renewable energy sources in order to combat climate change. National power grids are suffering due to the rapid introduction of new energy sources and have other disadvantages. Local Energy Systems (LESs) are a beneficial example of an off-grid energy systems that …

Purpose The aim of this study is to provide insights into how the purchasing function can increase the maturity of smart maintenance management (SMM) in construction clients by (1) assessing current SMM maturity and (2) developing an adapted service triad for purchasing's meaningful involvement in SMM. …

Energysense is een dataverzamelings- en onderzoeksplatform ter ondersteuning van onderzoek naar de energietransitie. Sinds 2015 worden meterstanden van deelnemende huishoudens verzameld. Het betreft gasmeterstanden per uur, en elektriciteitsmeterstanden (verbruik en teruglevering) per kwartier.