Projects per year
Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Civil Engineer (M.Sc.), Buildings energy use, Heat loss through windows, Technical University of Denmark
1 Sept 1980 → 15 Feb 1986
Award Date: 15 Feb 1986
External positions
Assstant Professor, civ.eng., Technical University of Denmark
15 Feb 1986 → 31 Mar 1992
Keywords
- Energy
- regulation
- renovation
- optimization
- low-energy buildings
- simulation
- Construction
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Collaborations from the last five years
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Projects
- 23 Finished
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Klimatilpasning i bygningsreglementet
Rasmussen, T. V. (PI), de Place Hansen, E. J. (Project Participant), Wittchen, K. B. (Project Participant), Rose, J. (Project Participant) & Jensen, N. F. (Project Participant)
02/09/2024 → 30/06/2025
Project: Research
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BVI 2.0: Branchevejledning for Indeklima 2.0
Wittchen, K. B. (CoI), Petersen, S. E. (CoI) & Noye, P. (CoI)
01/06/2023 → 30/09/2025
Project: Consultancy
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Realdania projekt: Klimadata for renovering
Kanafani, K. (PI), Wittchen, K. B. (PI), Laursen, K. G. (PI) & Haugbølle, K. (PI)
01/05/2023 → 31/05/2024
Project: Consultancy
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Datamateriale til Håndbog for energikonsulenter
Kragh, J. (Project Manager), Wittchen, K. B. (Project Participant), Rose, J. (Project Participant) & Dichmann, E. (Project Participant)
01/05/2022 → 01/07/2022
Project: Consultancy
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Forundersøgelse af behov for komfortkøling i danske boliger
Johnston, C. J. (PI), Afshari, A. (Project Manager), Maccarini, A. (PI), Wittchen, K. B. (PI) & Knudsen, H. N. (PI)
01/03/2022 → 31/03/2024
Project: Research
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Benchmarking Danish, Estonian and Finnish NZEB requirements with European Commission recommendations in residential and office buildings
Simson, R., Thomsen, K. E., Wittchen, K. B. & Kurnitski, J., 15 Oct 2025, In: Energy and Buildings. 345, 19 p., 116086.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile8 Downloads (Pure) -
Branchevejledning for Indeklima: Nybyggeri og Renovering
Vogelius, S., Havgaard-Vorre, M., Larsen, T. S., Noye, P., Maagaard, S. E., Johannsen, K. B., Haugaard, P., Christensen, M. S. H., Meyer Frandsen, K. & Wittchen, K. B., Sept 2025, 1 ed. København: Institut for Byggeri, By og Miljø (BUILD), Aalborg Universitet. 94 p.Research output: Book/Report › Report › Communication
Open AccessFile252 Downloads (Pure) -
Branchevejledning for Indeklima: Appendiks
Vogelius, S., Havgaard-Vorre, M., Larsen, T. S., Noye, P., Maagaard, S. E., Johannsen, K. B., Haugaard, P., Christensen, M. S. H., Meyer Frandsen, K. & Wittchen, K. B., Sept 2025, Institut for Byggeri, By og Miljø (BUILD), Aalborg Universitet. 138 p.Research output: Book/Report › Report › Communication
Open AccessFile142 Downloads (Pure) -
Klimatilpasning i bygningsreglementet
Rasmussen, T. V., Rose, J., Wittchen, K. B. & de Place Hansen, E. J., 23 Jun 2025, 1.0 ed. BUILD: Institut for Byggeri, By og Miljø (BUILD), Aalborg Universitet. 138 p. (BUILD Rapport; No. 10, Vol. 2025).Research output: Book/Report › Report › Communication
Open AccessFile532 Downloads (Pure) -
Review and assessment of market, policy and stakeholder participation in energy flexibility of buildings
Wittchen, K. B. (Editor), Christensen, T. H. (Editor) & Knotzer, A. (Editor), Jun 2025, Technical University of Denmark (DTU). 104 p.Research output: Book/Report › Report › Research › peer-review
Open Access
Datasets
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IDA ICE Simulation Models for Benchmarking Danish, Estonian, and Finnish NZEB Requirements
Simson, R. (Creator), Thomsen, K. E. (Creator), Wittchen, K. B. (Creator) & Kurnitski, J. (Creator), Zenodo, 15 May 2025
Dataset
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RIBuild: Energy saving potential, LCA and LCC - case studies
Wittchen, K. B. (Creator), Blumberga, A. (Creator), Kamendere, E. (Creator), Freimanis, R. (Creator), Grāvelsiņš, A. (Creator), Di Giuseppe, E. (Creator), D'Orazio, M. (Creator), Maracchini, G. (Creator), Morgane, G. (Creator) & Lasvaux, S. (Creator), Zenodo, 2020
DOI: 10.5281/zenodo.3899871, https://zenodo.org/record/3899871
Dataset
Prizes
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Best paper award from Cold Climate HVAC and Energy 2021 Conference
Simson, R. (Recipient), Thomsen, K. E. (Recipient), Wittchen, K. B. (Recipient) & Kurnitski, J. (Recipient), Apr 2021
Prize: Conference prizes
File
Activities
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BSim - Videregående kursus
Wittchen, K. B. (Lecturer) & Jensen, R. L. (Lecturer)
31 Aug 2023Activity: Talks and presentations › Talks and presentations in private or public companies
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BSim - Grundkursus
Wittchen, K. B. (Lecturer) & Jensen, R. L. (Lecturer)
29 Aug 2023 → 30 Aug 2023Activity: Talks and presentations › Talks and presentations in private or public companies
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Influence of window recess on solar loads, heat loss and external condensation
Wittchen, K. B. (Lecturer), Rose, J. (Other) & Nielsen, A. (Other)
12 Jun 2023 → 14 Jun 2023Activity: Talks and presentations › Conference presentations
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13th Nordic Symposium on Building Physics, NSB 2023 (Event)
Wittchen, K. B. (Peer reviewer)
12 Jun 2023 → 14 Jun 2023Activity: Editorial work and peer review › Peer review of manuscripts › Research
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13th Nordic Symposium on Building Physics, NSB 2023
Peuhkuri, R. H. (Organizer), Heiselberg, P. K. (Organizer), Johra, H. (Organizer), Andersen, H. H. (Organizer), Jakica, N. (Organizer), Petersen, S. (Organizer), Rasmussen, T. V. (Organizer), Rode, C. (Organizer), Søndergaard, V. (Organizer) & Wittchen, K. B. (Organizer)
12 Jun 2023 → 14 Jun 2023Activity: Attending an event › Conference organisation or participation
File
Press/Media
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Debat: Først bygger vi problemerne og så bruger vi ressourcer på at fixe dem bagefter
05/11/2024
1 item of Media coverage
Press/Media: Press / Media
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Renoveringskrav kan øge CO2 -udledning
Kanafani, K., Wittchen, K. B., Laursen, K. G. & Haugbølle, K.
13/09/2024
1 item of Media coverage
Press/Media: Press / Media
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Nye boliger er alt for varme om sommeren
12/09/2024 → 13/09/2024
3 items of Media coverage
Press/Media: Press / Media
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Styrelses indsats mod overophedning får kritik. Vi er nødt til at projektere efter fremtidens ekstremer ikke fortidens gennemsnit, siger professor
10/09/2024
1 item of Media coverage
Press/Media: Press / Media
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