lowTEMP4districtheat - Reduction of the system parameters of heating networks for the integration of renewable heat sources using soft sensors

Analysis of the use of soft sensors in addition to selective real measurements for the complete recording of real-time parameters of heating networks. The data obtained enable detailed grid simulations with low computing power requirements and form the basis of a strategy for lowering the grid temperatures and feeding in decentrally generated heat.

"Gasthermenersatz" - Modular heat pump with environmentally friendly refrigerant to replace natural gas-based heating systems in large-scale residential buildings

The project "Gasthermenersatz" aims at developing, manufacturing, and testing a functional prototype of a decentralized, sound-optimized heat pump solution with refrigerant circuit modules connected in series or parallel. This renewable technology is well-suited to replace existing natural gas-based heating systems in large-scale residential buildings and to pave the way to carbon-neutral cities.

LINE-FEED - Plug-in Photovoltaic Storage for the Wall Socket

The project LINE-FEED developed technologies that are required for a photovoltaic storage system which can be installed by anybody by simply plugging it into a wall socket. The aim was to create a storage system for households in urban areas that do not have the possibility to install a photovoltaic system themselves.

Energy Mosaic Austria - Austrianwide modelling and web-based visualisation of energy consumption and greenhouse gas emissions on local level

The project consists of a modelling and a web-based visualisation of energy consumption and greenhouse gas emissions of all Austrian cities and municipalities considering all kinds of land use and mobility. The results deliver a sound basis for numerous energy and climate relevant fields of action and for awareness raising of decision makers and the public.

PV-Arc Detection - Circuit supervision using DC-Arc Detection in PV systems on dwellings.

It was the aim of this project to make a technology leap in the safe and realistic detection of DC arcs. In reality the variety of conditions of ignition is huge and therefore not covered by the standards and most available products. The focus of this project was the research of conditions of ignition, to derive new detection methods based on the outcomes.

Counterintuitive Building Types - Innovation Potentials for Sustainable Transformation of Commercial and Retail Locations

Selected commercial retail and properties provide existing resources for this project’s case studies that will convert and further develop them towards more positive energy, use, and life cycle balances. The currently underperforming properties will be transformed into more active and attractive places of higher experiential density and environmental relevance through multiplication of space and uses in the interior and exterior areas, demonstrating opportunities for more sustainable development of these understudied building typologies.

thermocollect: realisation of a plus energy building by a solar active facade system

The project demonstrates the application of a solar active facade system in the course of the renovation of an existing building in order to achieve the plus-energy standard. Moreover, the effectiveness of the system will be demonstrated on new buildings and transparent compo­nents as well. The final outcome will be a manual for the application and implemen­tation of the façade system focusing on the segment of specialists and skilled labour.

BioSkin - Research potentials for biologically inspired energy efficient façade components and systems

The research study was targeting the identification of strategic research potentials in the field of biomimetics for innovative facade technologies of the future. With the identification of useful principles of biological role models and the transfer to bionic facade concepts, inter­disciplinary R&D research activities are improved to enable the develop­ment of sustainable solutions for climate-adaptive energy-efficient facades systems of the future.

Investigation into control systems for low emission, high efficiency biomass furnaces for heating residential and office buildings.

Through optimising the control systems of biomass heating systems, energy wastage and pollutant emissions can be reduced considerably. The goal of the project is first to analyse the possible savings that can be made in these areas, using the heat demand scenarios of different "Buildings of Tomorrow". The results of this analysis will lead to the development of an optimised control system which will be tested on a biomass heating system.

Gründerzeit with future - subproject 5: Documentation and monitoring

The main aim is the documentation and monitoring of the demonstration projects within the scope of the project "Historical buildings of tomorrow" with regard to the technical implementation, investment and operation costs and to the energetic performance. All demonstration projects will be accompanied by an evaluation process regarding occupants' satisfaction and the refurbishment process. Beyond that, legal constraints for innovative refurbishment of historical buildings will be documented and proposals for adaptations of the rental law and refurbishment subsidy schemes will be developed.

aspern Vienna´s Urban Lakeside - subproject 6b: Monitoring of Energy Consumption in Demonstration Buildings in Seestadt Aspern

The project deals wtih the energy consumption monitoring of demonstration buildings, which are erected within the framework of the landmark project "aspern+". As both, office/manufacturing as well as residential buildings will be constructed, these different user groups will have to be considered. The derivation of the concepts will be done in accordance of the specific needs of the individual demonstration buildings.

Single Family Homes and Densified Low-rise Housing - an Analysis of Motives

The study concentrates on describing the reasons behind the slow uptake of space-saving, densified forms of housing, and explains the dominant preference for detached single-family homes. However, it goes beyond simply describing the decisive motives for choices of housing. The study analyses the determining factors and the basic conditions under which these motives come or came into being. Based on this analysis, alternatives will be proposed and evaluated with regard to their effectiveness and feasibility.

Exploration of window systems with innovative glass - especially vacuum insulating glass - for building renovation

Exploration of the use of the first fabricable highly insulating vacuum glazing (VG) for highly efficient window systems specifically for the renovation of existing buildings via Verification of the availability and performance of Vacuum Glazing VG worldwide, concepts for structural optimization and thermal simulations of integrated systems, investigation of typical applications and market potential studies and identification of achievable energy savings for single buildings and settlements.

GeoDatKlim - Preparation of an innovation lab - IoT and geo-AI-supported data management for the climate-neutral city

Preparation of a real laboratory that will enable numerous actors to research the actual benefits of urban data or their AI-supported analysis for a climate-neutral city. By clarifying strategic, technical and legal aspects as well as potential analyses along relevant use cases, the framework conditions for an open, multi-year research environment (real laboratory) in Vienna are set in motion.

Ice-storage NEW - New economical ice storage concept for optimized heat storage using heat pumps and peak use of wind power

Development of a technically and economically optimized new ice-storage concept as a thermal wind power peak storage and to improve the performance of heat pumps as a contribution for peak smoothing of the electrical load profile.

Comfort ventilation plus+: First time development of high efficient comfort ventilation systems that enable demand-control of room-wise airflow for new buildings and refurbishment

First time development of innovative components for comfort ventilation systems used in new buildings and renovation that enable demand-control of air flow room-wise. The outcome is a considerable reduction of the primary energy balance and a sustainable solution of problems concerning the discrepance between satisfying humidity and very good indoor air quality within the heating period.

IDsolutions - Solutions for the refurbishment within existing building stock with interior insulation

The refurbishment of existing building stock demands solutions within single units. Interior insulation is a suitable technology. The challenge is to bring multiple demands and requirements together to create optimal solutions. Therefore it's necessary to arrange individual system components to form working model refurbishment solutions. The development of such solutions is the aim of the project. Not only durability and quality is to be ensured, but also user acceptance. Increasing the rate of refurbishments is the overall aim of the project.

PHOTOVOLTAIC WATER Solution

Passive House refurbishment facade with integrated photovoltaic modules for direct, current-based warm water preheating. The GIWOG, an energy-conscious and environmentally and socially oriented client, intends to undertake an energy-related modernisation project, which will further optimise energy consumption to be more efficient at an apartment complex in Graz, main street 302-306. The goal is to lower the energy consumption for heating and hot water from the current level of approximately 135 kWh /m²a to approximately 8 kWh /m²a. The planned measures should correspond with an overall energy consumption reduction of approx. 94 %.

An innovative approach for facades with optimised noise protection and natural ventilation

The aim of this project was to advance the state of the art in the engineering of double-leaf building facades that facilitate natural ventilation while providing sufficient sound insulation. Realization of natural (window) ventilation is in some instances difficult due to a number of factors. Thereby, noise pollution (especially traffic noise) plays an important role. To address these issues, the project explored innovative solutions in terms of facade constructions for concurrent natural ventilation and noise control.

Multi-WP – High-efficiency multivalent heat pump concepts for the thermal use of external air with geothermal storage

Optimization of multi-WP systems consisting of air-source heat pumps and geothermal storage with regard to increasing flexibility and efficiency from 30 kW for individual buildings as well as neighbourhood solutions and addressing aspects such as PV utilization optimization, mode of operation, utilization conflicts and noise pollution from air-source heat pumps. The project will establish the use of the heat source external air in combination with seasonal storage as a particularly efficient alternative for heating, cooling and hot water supply.