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IEA SHC Task 56: Cooperation on Energy Balance and Building Design Tools

Submitted by Baerbel Epp on October 5, 2017
Task 56 meetingFacades of residential and tertiary buildings offer enough space for daylight control and HVAC (heating, ventilation and air conditioning) systems. Active envelope solutions include facade-integrated solar thermal collectors, PV panels, daylight control systems or panels containing ventilation units with heat recovery and/or a heat pump with all necessary connectors. Optimising their performance and building integration has been one of the main objectives of an international research programme called Building Integrated Solar Envelope Systems for HVAC and Lighting, also known as Task 56 of the IEA Solar Heating and Cooling Programme. The photo shows the around 20 task experts who met at Eindhoven University of Technology, Netherlands, on 21–22 September.
Photo: EURAC
 

IEA SHC Task 50: Lighting Industry Explores Contracting Solutions

Submitted by Baerbel Epp on October 3, 2016
Now!LED technology has greatly changed the face of the lighting market: In just a few years, lighting systems have become twice as efficient and half as expensive. These changes have resulted in a large but often untapped cost- and energy-saving potential in commercial buildings. The research in Task 50 of the IEA Solar Heating and Cooling programme, Advanced Lighting Solutions for Retrofitting Buildings, has shown that the lighting industry is increasingly exploring opportunities for the use of contracting instead of leasing solutions to convince customers of retrofits. According to Marc Fontoynont, Professor at the Department of Energy Performance at Aalborg University, Denmark, and subtask leader of Market and Policies, there is a growing number of specialised companies which offer contracting models for lighting solutions, such as Austrian manufacturer Zumtobel has done with its contracting plan Now! (see chart). All in all, these contracting solutions are less complex than the ones for heat.
Chart taken from now.zumtobelgroup.com
 

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