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Open Access DREEAM, Demonstration of an integrated Renovation approach for Energy Efficiency At the Multi building scale, Horizon2020

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DREEAM is a pan-European project focusing on nZEB renovation of residential buildings. The uniqueness of DREEAM’s approach is its multi-building focus. The project investigates the benefits of large-scale renovations on potential energy efficiency gains, inclusion of renewables and access to funding. DREEAM supports housing companies and cities in scaling up their renovation ambitions through an integrated set of services coming into play at different stages of a fully-fledged deep renovation project: investment planning, renovation design, quality assurance, energy consumption analysis, and tenant engagement.

DREEAM aims to demonstrate replicable Net Zero Energy residential building renovation approaches achieving 75% total Net Energy Demand reduction. It will utilise packages of interconnected energy systems that achieve a balance between energy efficiency and renewable energy measures.

Currently, deep energy renovations focus mainly on building-level solutions, where energy demand reduction of 40-50% can be achieved cost-effectively. On a district scale, technologies for energy generation, storage and management can be integrated cost-effectively, reducing up to 25-35% of Net Energy Demand additionally. However, multi-owner complexities and need for tailored system integration make district approaches location-specific and hard to replicate. A focus on multi-building, single-owner setting seeks the appropriate balance for both high energy demand reduction and high market replication potential.

The approach is an attempt to increase the impact of residential building renovation, in particular for social and public housing, which accounts for 12% of European stock, or 25 million units.

Building owners that jointly own 160,000 dwellings, energy service engineers and finance experts collaborate to demonstrate the DREEAM approach in 3 climatologically different locations, and initiate replication in 15 more locations within the project duration. Partnership with city-, owner- and innovation networks allows dissemination to 60% of the target market.
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Keywords: Building systems; Deep renovation; Energy demand; Energy efficiency, Retrofitting, Residential building, Housing, Horizon2020, ICT, Building systems, Energy demand, Renovation, Deep renovation, Renovation design; Horizon2020; Housing; ICT; Renovation; Renovation design; Residential building; Retrofitting

Document Type: Research Article

Publication date: June 1, 2017

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