Component Award Cost efficient ventilation for residential buildings. Component Award App. B 61m². App.

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1 Cost efficient ventilation for residential buildings Task: low-cost home ventilation solution for new residential buildings Four storey building Each with 2 2-room apartment and 2 4-room apartment Appartment A 100m² App. B 61m² App. B 61m² Appartment A 100m² 1

2 Task: low-cost home ventilation solution Requirements: Functioning ventilation system Dimensioning of air quantities: large apartment for 4 persons (120m³/h), small apartment for 2 persons (70m³/h) Noise: 25 db(a) in living areas and 30 db(a) in functional areas during continuous operation Summer operation mode (assuming inner city location) Frost protection Solution for condensate drain Certification criteria of Passive House Ventilation Systems must be fulfilled Evaluation 33 % Evaluation of Life Cycle Costs with a PHPP based evaluation tool Including: Investment costs (ventilation unit + construction measures) Energy costs for heating Energy costs for electricity 67 % Assessment by an independent expert jury Comfort Integration and design Planning aspects Total energy savings Award Jury: Wolfgang Feist (Prof. Dr.,Passivhaus Institut, Universität Innsbruck) Oliver Kah (Dipl. Phys., Passivhaus Institut) Matthias Laidig (ebök Planung und Entwicklung GmbH) Rainer Pfluger (Assoz. Prof. Dr.-Ing., Universität Innsbruck) Burkhard Schulze Darup (Dr. Architekt, SchulzeDarup und Partner) Peter Schwerdtfeger (Technische Gebäudeausrüstung, FAAG Frankfurt) Rolf Strauß (Prof. Dr. Ing., Hochschule Bremen) 2

3 Calculation of Life Cycle Costs with PHPP9 Variants Variants Pre-defined input parameter Type of ventilation Air flow Variable input parameter: Frost protection Coldducts Calculation of Life Cycle Costs with PHPP9 Variants Variants variable output parameter Ventilation heat loss Electricity demand Economic calculation under consideration of Investment costs Running costs(energy, maintenance) 3

4 Results Life Cycle Costs Annual costs per dwelling [ /a] Maintenance costs Electricity costs Heating costs Investement costs Energy 0.10 /kwh Electricity 0.28 /kwh Usage period 25 years Real interest rate 2% Results Life Cycle Costs additional costs per dwelling and year for additional comfort (filtered and warm supply air) Annual costs per dwelling [ /a] Maintenance costs Electricity costs Heating costs Investement costs Energy 0.10 /kwh Electricity 0.28 /kwh Usage period 25 years Real interest rate 2% 4

5 Results: average investment costs each dwelling Mittelwert kleine und große Wohnung Zuzüglich Kosten für bauliche Maßnahmen für Installation der Kanäle in der Zwischendecke bzw. auf der Filigrandecke Additionally construction costs such as false ceiling Results - overall rating 1 st prize 2 nd prize Integration and design Comfort Planning aspects Total energy savings Cost effectiveness Score 5

6 2 nd prize J. Pichler GmbH Centralized ventilation concept Lüftungsgerät LG2500, wetterfest für Dachaufstellung Weatherproofe for roof-top installation Feuerschutzabschluss + Kaltrauchsperre VAV box: Schalldämpfer, Volumenstromregler und Verteiler combinedunitofsilencer, volume flow control and distributor box 6

7 2 nd prize BluMartin Facade integrated ventilation concept freeair 100 Vorgefertigte Betonelemente mit Rohbauset-Box inklusive abgedichteter Zweitraumanschlüsse Prefabricated concrete elements with box for shell construction Abluftleitungen in der Filigrandecke Extract air ducts Innenfrontplatten Beispiele 7

8 st prize For good and cost effective solutions especially for smaller flats Vaventis BV Façade integrated ventilation concept Lüftungsgerät Fresh-r für wandintegrierten Einbau 1st prize For good and cost effective solutions especially for smaller flats Vaventis BV Façade integrated ventilation concept Lüftungsgerät Fresh-r für wandintegrierten Einbau 8

9 4-Zimmer-Wohnung: 2 x Fresh-r Lüftungsgerät Telefonieschalldämpfung über Ventil 1 st prize For good and cost effective solutions especially for Pluggit GmbH smaller flats with Pluggplan system 9

10 4-Zimmer-Wohnung: Wandhängendes Gerät AP 190 Fazit Für kleinere und mittlere Wohnungsgrößen gute und kostengünstige Lüftung bereits möglich durch: Good and cost efficient solutions for smaller flats already available: Abgestimmte Systemlösungen matched system solutions Fassadenintegration facade integration 10

11 Ausblick Kostengünstige Lüftung auch für etwas größere Wohnungsgrößen (3-4 Zimmer) Cost efficient ventilation for 3-4 room apartments Größeres Angebot an abgestimmten Systemlösungen zu vertretbaren Kosten bigger market share on cost efficient matched system solution Fassadenintegrierte Systeme für höhere Volumenströme (120 m³/h) facadeintegrateddevicesforairflowsupto120 m³/h Thank you for your attention. Any questions? Kristin Bräunlich - kristin.braeunlich@passiv.de Coponent Award: 11