Controls, energy management systems

On Tuesday 19 December 2017, the Estonian presidency reached a provisional agreement with the European Parliament on a revised directive on the energy performance of buildings. The outcome of the trilogue will be presented to EU ambassadors on December 20, with the final analysis and approval of the agreement expected to take place at the beginning of 2018.  
Post date: 20 Dec 2017
Type: News

By Peter Wouters, INIVE   BIM (Building Information Modelling) is in many EU countries high on the agenda. This article is focusing on the potential of BIM in relation to the energy performance of building assessment and also in relation to a better quality of the works.  
Post date: 19 Dec 2017
Type: News

The German Working Group for Mechanical and Electrical Engineering of State and Municipal Administrations (AMEV) released in August its Guidelines on Technical Monitoring of buildings.
Post date: 14 Dec 2017
Type: Note

Efficiency measures at the building envelope and the building services systems decrease the operational costs of buildings. But reduced costs can lead to changes in the behaviour of the building users. They consume more energy and parts of the originally planned energy savings are used-up. The so-called “rebound effect” describes the difference between the theoretically expected savings and the savings achieved in reality. The rebound effect can be indicated as percentage of the deviation from the expected savings.  
Post date: 14 Dec 2017
Type: Ask the Experts

  by Marianna Papaglastra (Sympraxis Team)    
Post date: 13 Dec 2017
Type: News

by François Durier (CETIAT)   Advanced controls for heating, ventilation and air conditioning (HVAC) systems can reduce consumption in unoccupied zones of a building. They can also continuously adapt the operation to fit the demand and detect needs for maintenance. They are based on sensors and use control strategies adapted to the technology of the system, by modulating temperatures, flow rates, capacity, etc.  
Post date: 12 Dec 2017
Type: News

Numerous studies and surveys indicate that typically-installed HVAC equipment operate inefficiently and waste considerable energy due to varied installation errors (faults) such as improper refrigerant charge, incorrect airflow, oversized equipment, and leaky ducts. This article summarises the results of a large United States (U.S.) experimental/analytical study of the impact that different faults have on the performance of an air-source, single-speed heat pump (ASHP) in a typical U.S. single-family house.
Post date: 12 Dec 2017
Type: Publication

NIST Technical Note 1848: Sensitivity Analysis of Installation Faults on Heat Pump Performance  
Post date: 12 Dec 2017
Type: Publication

This slide presentation describes the main results of a study operated by the National Institute of Standards and Technology (NIST) in the USA, to understand the impact of commissioning common faults on the energy consumption of an air-to-air heat pump installed in a single-family house.
Post date: 12 Dec 2017
Type: Publication

By Heike Erhorn-Kluttig (Fraunhofer Institute for Building Physics)  
Post date: 11 Dec 2017
Type: News