2021:

• Bless, F.; Arpagaus, C.; Bertsch, S.: Theoretical Investigation of High-Temperature Heat Pump Cycles for Steam Generation, 13th IEA Heat Pump Conference, 11-14 May 2020, Jeju, Korea, accpeted for presentation, postponed to 26 -29 April 2021.
• Arpagaus, C., Bertsch, S.S.: Experimental Comparison of R1224yd(Z) and R1233zd(E) in a High Temperature Heat Pump, 13th IEA Heat Pump Conference, May 11-14, 2020 Jeju, Korea, accpeted for presentation, postponed to 26 -29 April 2021.
• Arpagaus, C.; Bertsch, S.: Experimental Comparison of HCFO and HFO R1224yd(Z), R1233zd(E), R1336mzz(Z), and HFC R245fa in a High Temperature Heat Pump up to 150 °C Supply Temperature, 18th International Refrigeration and Air Conditioning Conference at Purdue, 13-16 July 2020, accepted for presentation, postponed to 23-27 May 2021.

2020:

• Eschmann, M.; Prinzing, M.; Berchtold, M.; Arpagaus, C.; Bertsch, S.S.:  Field performance of domestic heat pumps for heating and hot water in Switzerland, 13th IEA Heat Pump Conference, May 11-14, 2020 Jeju, Korea, accpeted for presentation, postponed to 26 -29 April 2021.
• Zuberi, M.J.S.; Bhadbhade, N.; Patel, M.K.; Wallerand, A.S.; Maréchal, F.; Arpagaus, C.; Bertsch, S.; Wellig, B.: Decarbonizing Swiss industrial sectors by process integration, electrification, and traditional energy efficiency measures, Digital Event, ECEEE, 15 September 2020, Paper ID 4-108-20.
• Arpagaus, C.; Bertsch, S.: Successful Application Examples of Industrial Heat Pumps in Switzerland, IIR International Rankine 2020 Conference, 27 to 31 July 2020, Glasgow, UK, https://doi.org/10.18462/iir.rankine.2020.1183.
• Arpagaus, C.; Bertsch, S.: Experimental Comparison of HCFO R1233zd(E) and R1224yd(Z) in a High Temperature Heat Pump up to 150 °C, IIR International Rankine 2020 Conference, 27 to 31 July 2020, Glasgow, UK, https://doi.org/10.18462/iir.rankine.2020.1129.
• Arpagaus, C.; Bless, F.; Bertsch, S.: Theoretical Analysis of Transcritical HTHP Cycles with low GWP HFO Refrigerants and Hydrocarbons for Process Heat Applications up to 200 °C, IIR International Rankine 2020 Conference, 27 to 31 July 2020, Glasgow, UK, http://dx.doi.org/10.18462/iir.rankine.2020.1168.
• Diewald, K; Arpagaus, C.; Hebenstreit, B.: Thermodynamic Analysis of low GWP HFO and HCFO Refrigerants in HTHP with Large Temperature Glides on the Heat Sink, IIR International Rankine 2020 Conference, 27 to 31 July 2020, Glasgow, UK, http://dx.doi.org/10.18462/iir.rankine.2020.1166.
• Arpagaus, C.: High Temperature Heat Pumps – Market Overview, Refrigerants, Application Examples in Food Industry, and Steam Generation Heat Pumps, A2EP Briefing: Advances in industrial heat pumps, Australian Alliance for Energy Productivity, 3 September 2020 (Video Recording of Webinar).
• Arpagaus, C.: Hochtemperatur-Wärmepumpenin der Industrie: Potentiale für Prozesswärme, Marktübersicht, Aktuelle Entwicklungen, Anwendungsbeispiele, EVT (Energieverfahrenstechnik) Online-Tagung 2020, Industrielle Groß- und Hochtemperaturwärmepumpen im Energiesystem, 22. Juni 2020.

2019:

• Zhu J.; Scheuss, R.; Maksimovic, D.: General Properties and Synthesis of Transformerless Stacked Active Bridge Converters, ECCE 2019 Energy Conversion Congress and Exposition, Sept. 29 – Oct. 3, 2019, Baltimore, USA.
• Zhu, J.; Scheuss, R.; Maksimovic, D.: Ladder Transformerless Stacked Active Bridge Converters, COMPEL 2019 Workshop on Control and Modeling for Power Electronics, June 17 – 20, 2019, Toronto, Canada.
• Girardi B., Schenk K., Continuously Variable Controlled Transformer for Grid Voltage Stabilization, PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, Germany, May 06-09, 2019, pp. 1-8.
• Arpagaus, C., Bertsch, S.S.:  Experimenteller Vergleich von R1224yd(Z) und R1233zd(E) in einer HTWP, Deutsche Kälte- und Klimatagung (DKV Tagung), 20.-22. November 2019, Ulm, Deutschland.
• Schlosser F., Arpagaus C., Walmsley T.G., 2019, Heat Pump Integration by Pinch Analysis for IndustrialApplications: A Review, Chemical Engineering Transactions, 76, 7-12 DOI:10.3303/CET1976002.
• Arpagaus, C., Bertsch, S.S.: Experimental results of HFO/HCFO refrigerants in a laboratory scale HTHP with up to 150 °C supply temperature, 2nd Conference on High Temperature Heat Pumps (HTHP), 9th September 2019, Copenhagen, Denmark (Presentation). Published in: Book of presentations of the 2nd Symposium on High-Temperature Heat Pumps. / Zühlsdorf, Benjamin (Editor); Bantle, Michael (Editor); Elmegaard, Brian (Editor). SINTEF, 2019. 268 p. ISBN (Electronic): 978-82-594-3781-5.
• Arpagaus, C., Bertsch, S.S.: High temperature heat pump in a Swiss cheese factory, Poster presentation, 2nd Conference on High Temperature Heat Pumps (HTHP), 9th September 2019, Copenhagen, Denmark. Published in: Book of presentations of the 2nd Symposium on High-Temperature Heat Pumps. / Zühlsdorf, Benjamin (Editor); Bantle, Michael (Editor); Elmegaard, Brian (Editor). SINTEF, 2019. 268 p. ISBN (Electronic): 978-82-594-3781-5.
• Arpagaus, C. Bless, F., Uhlmann, M., Büchel, E., Frei, S., Schiffmann, J., Bertsch, S.S.: High temperature heat pump using HFO and HCFO refrigerants - system design, simulation, and first experimental results, ICR 2019, 25th IIR Int. Congr. Refrig. August 24-30, Montréal, Québec, Canada. (2019) 1–9. doi:10.18462/iir.icr.2019.242 (Presentation).
• Arpagaus, C., Prinzing, M., Kuster, R., Bless F., Uhlmann, M., Schiffmann, J., Bertsch, S.S.: High temperature heat pumps -Theoretical study on low GWP HFO and HCFO refrigerants, ICR 2019, 25th IIR Int. Congr. Refrig. August 24-30, Montréal, Québec, Canada, 2019: pp. 1–8. doi:10.18462/iir.icr.2019.259 (Presentation).
• Arpagaus, C.: Industrial heat pump applications in Switzerland – Heat pump integration case studies, Workshop WS-4 Successful Applications of Industrial Heat Pumps, ICR 2019, 25th IIR Int. Congr. Refrig. August 24-30, Montréal, Québec, Canada, 2019.
• Arpagaus, C., Bless, F., Bertsch, S.S., Schiffmann, J.: Wärmepumpen für die Industrie: Eine aktuelle Übersicht, 25. Tagung des BFE-Forschungsprogramms "Wärmepumpen und Kälte", 26. Juni 2019, BFH Burgdorf (Vortrag).
• Arpagaus, C.: Hochtemperatur-Wärmepumpen für industrielle Anwendungen, 4. Internationaler Grosswärmepumpen Kongress, 8. Mai 2019, Zürich.

2018:

• Nigsch, S., Schenk, K.: Influence of Coupler Parameter Variation of an Inductive Charging System for Electric Vehicles. ETH Zürich, Zürich (CH), 11.09.2018.
• Seitz Ch., Liebold A., Schönfeld H., Weber R., Bertsch S., High-temperature heat pump for wellness applications using CO2 as a refrigerant, 17th International Refrigeration and Air Conditioning Conference at Purdue, July 9-12, 2018, https://docs.lib.purdue.edu/iracc/1933/
• Arpagaus C., Prinzing M., Bless F., Uhlmann M., Büchel E., Frei S., Kuster R., Bertsch S.S., Schiffmann J., Hochtemperatur Wärmepumpe mit HFO und HCFO Kältemitteln, Deutsche Kälte- und Klimatagung (DKV), 21.-23. November 2018, Aachen, Deutschland (Kurzfassung).
• Arpagaus, C., Bless, F., Uhlmann, M., Büchel, E., Frei, S., Schiffmann, J., Bertsch, S.S.: High temperature heat pumps, Heat Pumping Technologies for Commerical and Industrial Applications, Chillventa CONGRESS, 15 October 2018.
• Kontomaris, K., Arpagaus, C., Bertsch, S.S., Schiffmann, J.: Small, high-speed, oil-free radial turbo-compressors for cooling applications: refrigerant selection, 17th International Refrigeration and Air Conditioning Conference at Purdue, July 9-12, 2018, https://docs.lib.purdue.edu/iracc/1946/
• Arpagaus, C., Bless, F., Uhlmann, M., Büchel, E., Frei, S., Schiffmann, J., Bertsch, S.S.: High temperature heat pump using HFO and HCFO refrigerants – system design, simulation, and first experimental results, 17th International Refrigeration and Air Conditioning Conference at Purdue, July 9-12, 2018, https://docs.lib.purdue.edu/iracc/1875/
• Arpagaus, C., Bless, F., Uhlmann, M., Schiffmann, J., Bertscht, S.S.: High temperature heat pumps: market overview, state of the art, research status, refrigerants, and application potentials, 17th International Refrigeration and Air Conditioning Conference at Purdue, July 9-12, 2018, https://docs.lib.purdue.edu/iracc/1876/
• Morosinotto M., Baratieri M., Bertsch S.S., Preliminary Design of a Low-Temperature Refrigeration System with Natural Refrigerants for a Psychometric Chamber, 13th IIR Gustav Lorentzen Conference on Natural Refrigerants, Valencia, Spain, June 18-20, 2018.
• Bertsch, S., Arpagaus, C., Bless, F., Weickgenannt, A., Schiffmann, J.: Theoretical investigation on a high temperature heat pump using a micro turbo compressor and water as a refrigerant, 13th IIR Gustav Lorentzen Conference on Natural Refrigerants, Valencia, Spain, June 18-20, 2018.

2017:

• Arpagaus C., Bless F., Schiffmann J., Bertsch S.S.: Hochtemperatur Wärmepumpen: Marktübersicht und Stand der Forschung, Deutsche Kälte- und Klimatagung (DKV), Arbeitsabteilung IV: Klimatechnik und Wärmepumpenanwendung, 22.-24. November 2017, Bremen, Deutschland (Kurzfassung).
• Arpagaus C., Bless F., Schiffmann J., Bertsch S.S., Review on high temperature heat pumps - market overview and research status, European Heat Pump Summit, Oct 24-25, 2017, Nuremberg, Germany.
• Arpagaus C., Bless F., Schiffmann J., Bertsch S.S., Review on high temperature heat pumps - market overview and research status, International Workshop on High Temperature Heat Pumps, Sept 11, 2017, Copenhagen, Denmark.
• Nigsch, S., Marquart, J., Schenk, K.: High Efficiency 22 kW Inductive Charging System for Electric Vehicles. 4th SCCER Mobility Annual Conference. ETH Zürich, Zürich (CH), 15.09.2017.
• Bless F., Arpagaus C., Bertsch S.S., Schiffman J., Theoretical analysis of steam generation methods – the case of high temperature heat pump, The Seventh International Symposium on Energy (Energy7), August 13-17, 2017, Manchester, UK.
• S. Nigsch, M. Schlenk and K. Schenk, "Detailed analysis of a current-doubler rectifier for an LLC resonant converter with high output current," 2017 IEEE Applied Power Electronics Conference and Exposition (APEC), Tampa, FL, 2017, pp. 1748-1754.
• J. Marquart, F. Kyburz, C. Mathis and K. Schenk, "FEA assisted design and optimization for a highly efficient 22 kW inductive charging system for electric vehicles with large air gap and output voltage variation," 2017 IEEE Applied Power Electronics Conference and Exposition (APEC), Tampa, FL, 2017, pp. 3640-3647.
• Schiffmann J., Carré J. B., Weickgenannt A., Arpagaus C., Bless F., Bertsch S., Turbokompressoren für Wärmepumpen – Eine Übersicht, 23. Tagung des BFE-Forschungsprogramms «Wärmepumpen und Kälte», 14. Juni 2017, HTI Burgdorf.
• Arpagaus C., Javed A., Bless F., Bertsch S., Schiffmann J., Heat Pump driven by a Small-Scale Oil-Free Turbocompressor - System Design and Simulation, 12th IEA Heat Pump Conference 2017, Rotterdam, May 15-18, 2017, Poster presentation P.1.5.1.
• Schiffmann J., Carré J.B., Arpagaus C, Bertsch S., 2017, Turbocompressors for Domestic Scale Heat Pumps - A Critical Review, 12th IEA Heat Pump Conference, Rotterdam, May 15-18, 2017, Oral presentation O.1.6.1.

2016:

• Büchel E., Bertsch S., Persdorf P., Rüsch F., Bärtschi J., Urena D., Muntwyler U., Weber R.: Kompakte, dezentrale Warmwasserbereitstellung aus Fortluft und Solarstrom (KoDeWa), 19. brenet-Statusseminar, Forschen für den Bau im Kontext von Energie und Umwelt, 8./9. September 2016, ETH Zürich.
• Bless F., Bertsch S., Arpagaus C., Schiffmann J., 2016, Theoretical analysis of steam generation methods – Energy, CO2 emission and cost analysis, Industrial Efficiency ECEE Conference, Berlin September 12-15, 2016.
• Javed A.; Arpagaus C.; Bertsch S.S.; Schiffmann J., 2016, Design of Oil-Free Turbocompressors for a Two-Stage Industrial Heat Pump under Variable Operating Conditions, 23rd International Compressor Engineering Conference at Purdue, July 11-14, 2016, Paper 2405, http://docs.lib.purdue.edu/icec/2405.
• Vetsch B.; Feichter G.; Bachmann A.H.; Bertsch S.S., 2016, Design and Realization of an Automated Test-Stand for Variable Capacity Household Compressors, 23rd International Compressor Engineering Conference at Purdue, July 11-14, 2016, Paper 2407, http://docs.lib.purdue.edu/icec/2407.
• Arpagaus C.; Bless, F.; Schiffmann J.; Bertsch S.S., 2016, Multi-Temperature Heat Pumps - A Literature Review, 16th International Refrigeration and Air Conditioning Conference at Purdue, July 11-14, 2016, Paper 1569, http://docs.lib.purdue.edu/iracc/1569.
• Arpagaus C.; Bertsch S.S.; Javed A.; Schiffmann J., 2016, Two-Stage Heat Pump using Oil-Free Turbocompressors – System Design and Simulation, 16th International Refrigeration and Air Conditioning Conference at Purdue, July 11-14, 2016, Paper 1602, http://docs.lib.purdue.edu/iracc/1602.
• Liebold A.; Lin P-H.; Vetsch B.; Arpagaus C.; Bertsch S.S., 2016, Simulation of a VRF system applied in electric buses in Taiwan, 16th International Refrigeration and Air Conditioning Conference at Purdue, July 11-14, 2016, Paper 1735, http://docs.lib.purdue.edu/iracc/1735.
• Janosch Marquart, Simon Nigsch, Kurt Schenk, “Design Optimization for a High Power-Density, Wide Output, High Frequency LLC Resonant Converter for Lighting Applications”, PCIM Europe International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2016 Record
• Simon Nigsch, Janosch Marquart, Kurt Schenk, “Low Cost High Density AC-DC Converter for LED Lighting Applications”, PCIM Europe International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2016 Record

2015:

• Seitz Ch.; Uhlmann, M.; Bertsch, S.; 2015;  AirModul All-In-One: Kombiniertes Lüftungs- und Wärmepumpensystem mit hoher Energieeffizienz. 21. Wärmepumpentagung vom 17. Juni 2015, BFE-Forschungsprogramm «Wärmepumpen und Kälte», Burgdorf (CH).
• Ozan Gulbudak, Janosch Marquart, Enrico Santi, “FPGA-based Model Predictive Current Controller for 3x3 Direct Matrix Converter”, IEEE-APEC Applied Power Electronics Conference and Exposition, 2015 Record
• Simon Nigsch, Kurt Schenk, Slobodan Cuk, “Analysis, Modeling and Design of a True Bridgeless Single Stage PFC with Galvanic Isolation”, IEEE-APEC Applied Power Electronics Conference and Exposition, 2015 Record

2014:

• Caskey S.L., Kultgen D., Gschwend A., Groll E.A., Hutzel W.J., Bertsch S., 2014, Cold climate field test of an air-source heat pump with two-stage compression and economizing, Keynote/Session 4, 11th IEA Heat Pump Conference 2014, May 12-16 2014, Montréal (Québec) Canada.
• Liebold A., Gstoehl D., Oppliger D., Bertsch S., 2014, Fluidglass - Façade Elements for Active Solar Control for High-Rise Buildings, Paper no 3259, 3rd International High Performance Buildings Conference at Purdue, July 14-17, 2014.
• Uhlmann M., Heldstab A., Bertsch S., 2014, OptiRef: Heat Pump with Two Heat Sources at Different Temperature Levels, Paper no 2142, 15th International Refrigeration and Air Conditioning Conference at Purdue, July 14-17, 2014.
• Sattler M., Markstaler M., Haller M., Sigrist D., Kessler S., Bertsch S., 2014, Technologievergleich solare Brauchwarmwassererwärmung - Photovoltaik und Wärmepumpe im Vergleich mit Solarthermie, 18. Brenet Status-Seminar «Forschen für den Bau im Kontext von Energie und Umwelt», Zürich.
• Raffael Haldi and Kurt Schenk, “A 3.5kW Wireless Charger for Electric Vehicles with Ultra High Efficiency”, IEEE-ECCE Energy Conversion Congress and Exposition, 2014 Record
• Ozan Gulbudak, Enrico Santi, Janosch Marquart, “Finite State Model Predictive Control for 3x3 Matrix Converter Based on Switching State Elimination”, IEEE-ECCE Energy Conversion Congress and Exposition, 2014 Record

2013:

• Menzi, T., Caskey, S., Kultgen, D., Groll, E., Hutzel, W., and Bertsch, S.,2013, Annual simulation results of a two-stage heat pump for cooling and heating applications, CLIMA 2013 - 11th REHVA World Congress & 8th International Conference on IAQVEC in Prague. Paper ID: 174.
• Tobias Schmid and Alexandr. Ikriannikov, “Magnetically Coupled Buck Converters”; IEEE-ECCE Energy Conversion Congress and Exposition, 2013 Record
• Andrzej Pietkiewicz, Kurt Schenk, Tobias Gnos and Martin Bünner, “Novel Inductive Current Splitter/Merger for Low Harmonics Three-Phase Rectifier”, PCIM Europe International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2013 Record
• Raffael Haldi, Isaac Nam, Kurt Schenk and Enrico Santi, “Finite-Element-Simulation-Assisted Optimized Design of an Asymmetrical High-Power Inductive Coupler with a Large Air Gap for EV Charging”, IEEE-ECCE Energy Conversion Congress and Exposition, 2013 Record
• Kurt Schenk and Andrzej Pietkiewicz, “Novel Low Harmonic Rectifier Using 12-pulse Inductive Current Splitter/Merger”, IEEE-APEC Applied Power Electronics Conference and Exposition, 2013 Record

2012:

• S. Bertsch, B. Vetsch, A. Gschwend, 2012, Optimierte Warmwasser-Produktion mit Wärmepumpen, 18. Wärmepumpentagung, BFE-Forschungsprogramm Wärmepumpen, Wärme-Kraft-Kopplung, Kälte, Burgdorf.
• S. L. Caskey, D. Kultgen, T. Menzi, E. A. Groll, W. J. Hutzel, S. S. Bertsch, 2012, Simulation of Novel Air-Source Heat Pump with Two-Stage Compression and Economizing for Cold Climate Field Tests, 7th International Cold Climate HVAC Conference, Alberta, Canada.
• S. Caskey, S. Deng, D. Kultgen, T. Menzi, E.A. Groll, W. Hutzel, S. Bertsch, 2012, Field Test Simulation of an Air-Source Heat Pump with Two-Stage Compression and Economizing For Cold Climates,14th International Refrigeration and Air Conditioning Conference at Purdue, USA.
• S. Caskey, D. Kultgen, E. Groll, W. Hutzel, T. Menzi, S.Bertsch, 2012, Simulation of an Air-Source Heat Pump with Two-Stage Compression and Economizing for Cold Climate Field Tests,14th International Refrigeration and Air Conditioning Conference at Purdue, USA.
• A. Gschwend and S. Bertsch, 2012, Domestic Heat Pump System with Solar Thermal Collectors as Heat Source and Annual Ice Storage, 14th International Refrigeration and Air Conditioning Conference at Purdue, USA.
• B. Vetsch, A. Gschwend and S. Bertsch, 2012, Domestic Hot Water Supply for Multiple Family Dwellings Using Heat Pumps, 14th International Refrigeration and Air Conditioning Conference at Purdue, USA.
• S. Bertsch, 2012, Warmwasserbereitstellung mittels Wärmepumpen in Mehrfamilienhäusern, TWK Wärmepumpen Symposium, Karlsruhe. 
• D. Oppliger, T. Menzi, S. Bertsch, D. Gstöhl, 2012, Fluidglas: Flüssigkeitsdurchströmte Glasfassade zur aktiven Kontrolle der Energieflüsse in der Fassade, 17. Status Seminar brenet, Zurich
• B. Vetsch, A. Gschwend, S. Bertsch, 2012 Warmwasserbereitstellung mittels Wärmepumpen in Mehrfamilienhäusern, 17. Status Seminar brenet, Zurich
• Stephen L. Caskey, Derek Kultgen, Tobias Menzi, E. A. Groll, W. J. Hutzel, S. S. Bertsch, 2012, Simulation of Novel Air-Source Heat Pump with Two-Stage Compression and Economizing for Cold Climate Field Tests, 7th International Cold Climate HVAC Conference, Alberta, Canada.
• Kurt Schenk and Andrzej Pietkiewicz, “Low Harmonic Rectifier Using 12-pulse Current/Splitter Merger”, PCIM Europe International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2012 Record

2011:

• Gstoehl, D., Stopper, J., Bertsch, S., and Schwarz, D., 2011, Fluidised glass façade elements for an active energy transmission control, ENERGY FORUM on Solar Building Skins 06‐07 December 2011, Bressanone, Italy.
• Gstoehl, D., Stopper, J., Bertsch, S., and Schwarz, D., 2011, Fluidised glass façade elements for an active energy transmission control, World Engineers’ Convention, Geneva 2011.
• Vetsch, B., Gschwend, A., and Bertsch, S.S., 2011, Zirkulationsverluste in Warmwasseranlagen, 17. UAW-Meeting in Burgdorf, CH.
• Uhlmann, M, Bertsch, S.S., 2011, Dynamic Modeling of Heat Pumps, 10th IEA Heat Pump Conference, Paper #18.

2010:

• Uhlmann, M, Bertsch, S.S., 2010, Measurement and Simulation of Startup and Shut Down of Heat Pumps, 13th International Refrigeration and Air Conditioning Conference at Purdue, #2103.

2009:

• Uhlmann, M, Bertsch, S.S., 2009, Dynamische Simulation einer Wärmepumpe, 15. UAW-Meeting in Burgdorf, CH.

2008:

• Bertsch, S.S., Groll, E.A., and Garimella, S.V., 2008, Flow boiling heat transfer in microchannel heat exchangers for electronics cooling, in proceedings of DKV-Tagung (Deutscher Verein für Kältetechnik) 2008.
• Bertsch, S.S., Groll, E.A., and Garimella, S.V., 2008, Flow Boiling Heat Transfer in Microchannel Cold Plate Evaporators for Electronics Cooling, 12th International Refrigeration and Air Conditioning Conference at Purdue, #2116.

2007:

• Bertsch, S.S., Groll, E.A., and Garimella, S.V., 2007, Measurements of Flow Boiling Heat Transfer Coefficients in a Mini-Channel Evaporator for Electronics Cooling, ASHRAE Winter Meeting, Dallas, TX.
• Bertsch, S.S. and Groll, E.A., 2007, Experimental performance of a two-stage unitary heat pump with economizing for northern U.S. climates, ASHRAE Winter Meeting, Dallas, TX.
• Bertsch, S.S., Groll, E.A., and Garimella, S.V., 2007, Experimental investigation of local heat transfer coefficient for refrigerant flow boiling in microchannel cold plate evaporators, 22nd IIR International Congress of Refrigeration, Beijing, China.
• Bertsch, S.S., Groll, E.A., and Garimella, S.V., 2007, Refrigerant flow boiling in a microchannel cold plate evaporator, IMAPS Advanced Technology Workshop on Thermal Management, San Jose, CA.

2006:

• Bertsch, S., Groll, E.A.,2006, Air Source Heat Pump for Northern Climates, Part I: Simulation of different Heat Pump Cycles, 11th International Refrigeration and Air Conditioning Conference at Purdue.
• Bertsch, S.S., Groll, E.A., Bouffard, D.B., and Hutzel, W.J., 2006, Air Source Heat Pump for Northern Climates, Part II: Measurement and Verification, 11th International Refrigeration and Air Conditioning Conference at Purdue at Purdue.
• Christen, T., Hubacher, B., Bertsch, S.S., and Groll, E.A., 2006, Experimental Performance of Prototype Carbon Dioxide Compressors, 18th International Compressor Engineering Conference at Purdue.
• Bertsch, S.S., Hubacher, B., Christen, T., and Groll, E.A., 2006, Performance measurement on CO2 compressors, C-dig (carbon dioxide interest group) Meeting, Purdue Univiersity, IN.

2005:

• Bertsch, S.S., Groll, E.A., and Whitacre, K., 2005, Modeling of a CO2 Thermosyphon for a Ground Source Heat Pump Application, 8th International Energy Agency Heat Pump Conference, Las Vegas, NV.
• Bertsch, S.S. and Groll, E.A., 2005, Air to Water Heat Pump for Low Temperature Climates, 8th International Energy Agency Heat Pump Conference, Las Vegas, NV.

2004:

• Hubacher, B., Bertsch, S.S., and Groll, E.A., 2004, Status quo of carbon dioxide compressors, Deutsche Kaelte Klima Tagung.

2003:

• Bertsch, S.S. and Ehrbar, M., 2003, Comparison of defrosting electricity consumption in the reverse cycle and the hot gas method, 21st IIR International Congress of Refrigeration, Washington, DC.
• Ehrbar, M., Bertsch S.S., and Hubacher, P., 2003, Verbesserung des Abtauens bei luftbeaufschlagten Verdampfern, Phase 2, 10. UAW-Meeting in Burgdorf, CH.

2020:

• Arpagaus, C., Bertsch, S.: Industrial Heat Pumps in Switzerland – Application Potentials and Case Studies, Final Report, on behalf of the Swiss Federal Office of Energy, SFOE contract number: SI/501782-01, Bern, 23 July 2020.
• De Boer, R.; Marina, A.; Zühlsdorf, B.; Arpagaus, C.; Bantle, M.; Wilk, V.; Elmegaard, B.; Corberán, J.; Benson, J.: Strengthening Industrial Heat Pump Innovation, Decarbonizing Industrial Heat, White Paper, 14 July 2020.
• Arpagaus, C. und Bertsch, S.S: Experimenteller Vergleich von R1224yd(Z) und R1233zd(E) in einer Hochtemperatur-Wärmepumpe, KI Kälte Luft Klimatechnik, www.ki-portal.de, 03/2020.

2019:

• Arpagaus, C.; Bertsch, S.: Case Studies of Industrial Heat Pumps in Switzerland, Task 1 Report, IEA Heat Pump Technology (HPT) Programme Annex 48, Industrial Heat Pumps (Second Phase), October 31, 2019.
• Arpagaus, C.: Maestrani setzt auf Energieeffizienz, alimenta, 18/2019.
• Arpagaus, C: From Waste Heat to Cheese, HPT Magazine, Vol. 37, No. 2, 2019.
• Markstaler, M.: Photovoltaik für Ingenieure, Theorie und Anwendung für dezentrale Energiesystemberechnung mit Python, BoD Books on Demand, Norderstedt, ISBN: 9783739247151 (Buch), ISBN: 9783748126775 (E-Book), 2019.
• Nigsch S., Schenk K.: Wireless Power Transfer for Electric Vehicles Task 26 Final Report, IEA-HEV Task 26 Wireless Power Transfer for EVs, October 6, 2019.
• Würsch, C., Carelli, C., Gstöhl, D., Seitz, C., Frei, S., Mishra, K., Braun, P., Egli R.: Ein kontrollierter Prozess für die Produktion von Margarine höchster Qualität, Lebensmittel-Industrie 11/12 2019.

2018:

• Arpagaus, C.: Hochtemperatur-Wärmepumpen: Marktübersicht, Stand der Technik und Anwendungspotenziale, VDE-Verlag, Dezember 2018, 140 Seiten, ISBN 978-3-8007-4550-0
• Arpagaus, C., Prinzing, M., Bless, F., Uhlmann, M., Büchel, E., Frei, S., Kuster, R., Schiffmann, J., Bertsch, S.S.: Hochtemperatur-Wärmepumpe mit HFO- und HCFO-Kältemitteln, KI Kälte Luft Klimatechnik, www.ki-portal.de, 12/2018.
• Arpagaus C., Gstöhl D., Bertsch S.S.: IEA HPT Annex 46: Domestic Hot Water Heat Pumps, planer+Installateur 06/07-18.

2017:

• Arpagaus C., Berthold M., Eschmann M.: Jahresbericht 2017 «WP-Feldmessung», Wärmepumpen-Anlagen 2015-2018 (Auswertung verlängert bis Dez. 2019), im Auftrag von EnergieSchweiz, 31.12.2017.
• Schenk, K.: Beste verfügbare Technologie von Netzteilen bezüglich Wirkungsgrad. In: Jahresbericht des Bundesamts für Energie BFE, Bern (CH), 24.11.2017.
• Nigsch, S.; Marquart, J.; Schenk, K.: Investigation of Inductive Charging Systems. IEA 4E Electronic Devices and Networks Annex (EDNA) im Auftrag des Bundesamts für Energie BFE, Bern (CH). Schlussbericht, 14.09.2017.
• Arpagaus C.: Hochtemperatur Wärmepumpen: Literaturstudie zum Stand der Technik, der Forschung, der Anwendungspotentiale und der Kältemittel, NTB Buchs, im Auftrag des Fördervereins Institut für Energiesysteme IES, 10.3.2017, Link zur Prezi Präsentation.
• Arpagaus C., Bertsch S.: Domestic Hot Water Heat Pumps, Task 4 Overview on R&D Switzerland, HPT Annex 46, October 6, 2017, Bundesamt für Energie BFE, Bern (CH).
• Büchel E., Bertsch S., 2017, Kompakte und dezentrale Warmwasserbereitstellung, bauRUNDSCHAU, 02-2017, Seite 34-38.

2016:

•  
• Oppliger, D.; Dürr, B.; Bertsch S.: Entwicklung einer Methodik zur Erstellung eines Windkatasters mittels CFD Simulationen. 23.12 2016, Bundesamt für Energie BFE, Bern (CH).
• Arpagaus C., Vetsch B., Bertsch, S.: Domestic Hot Water Heat Pumps, Task 1 Market Overview Country Report Switzerland, HPT Annex 46, November 14, 2016, Bundesamt für Energie BFE, Bern (CH).
• Seitz Ch., Uhlmann, M., Bertsch, S.: 2016, HEXModul All-In-One - Kombiniertes Lüftungs- und Wärmepumpensystem mit hoher Energieeffizienz. Schlussbericht 2016. Bundesamt für Energie BFE, Bern (CH).

2015:

• Markstaler M., Bertsch S.: Systemsimulation Effizienz der Brauchwarmwassererwärmung mit Wärmepumpen, Vergleichsstudie. Schlussbericht 2015. Bundesamt für Energie BFE, Bern (CH).
• Sattler M., Bertsch S., Markstaler M., Kessler S., Sigrist D., Haller M.: Technologievergleich solare Brauchwarmwassererwärmung für Einfamilienhäuser. Schlussbericht 2015. Bundesamt für Energie BFE, Bern (CH).

2014:

• Heldstab A. ,Feichter G., Bertsch S., 2014, JAZ Monitoring, Wärmepumpen-interne Messung der JAZ, Report for the Swiss Federal Office of Energy, Bern, Switzerland.
• Sattler M., Bertsch S., Markstaler M., Kessler S., Sigrist D., Haller M., 2014, Technologievergleich solare Brauchwarmwassererwärmung - Photovoltaik und Wärmepumpe im Vergleich mit Solarthermie (SolVar-BWW), Report for the Swiss Federal Office of Energy, Bern, Switzerland.

2011:

• Vetsch B., Gschwend A., and Bertsch S., 2011, Warmwasserbereitstellung mittels Wärmepumpen in Mehrfamilienhäusern, BFE-Projekt Nr. SI/500574-01, Schlussbericht.

2010:

• Uhlmann, M. and Bertsch,S.S., 2010, Dynamischer Wärmepumpentest, Phase 3 und 4, Schlussbericht für das Bundesamt für Energie, Forschungsprogramm UAW.

2008:

• Bertsch, S.S., 2008, Refrigerant flow boiling in microchannel evaporators, Ph.D. Thesis, Purdue University.

2005:

• Ehrbar, M., Bertsch, S.S., Schwendener, S., Hubacher, P., Bernal, C., and Hubacher, B., 2005, Verbesserung des Abtauens bei luftbeaufschlagten Verdampfern Phase 3: technische Umsetzung, Labor- und Feldversuche, Report for the Swiss Federal Office of Energy, Bern, Switzerland.
• Bertsch, S.S., 2005, Theoretical and Experimental Investigation of a Two Stage Heat Pump Cycle for Nordic Climates, Master’s Thesis, Purdue University.

2002:

• Ehrbar, M., Bertsch, S.S., and Hubacher, P., 2002, Verbesserung des Abtauens bei luftbeaufschlagten Verdampfern, Phase 2: Bewertung der Abtauprozesse, Report for the Swiss Federal Office of Energy, Bern, Switzerland.

2016:

• M. Mayrhofer, J. Marquart, S. Nigsch, Transformator und LLC-Konverter zum Betreiben eines Leuchtmittels, DE102015212022
• F. Lochmann, M.Mayrhofer, J. Marquart, S. Nigsch, Ballast with Totem-Pole PFC, EP3082242
• F. Lochmann, M.Mayrhofer, J. Marquart, S. Nigsch, Ballast for lighting means, WO2016164947

2012:

• E. Granwehr und S. Bertsch, 2012, Wärmepumpe, WO 2012/040864 A1

2011:

• Bertsch, S., Oppliger, D., und Menzi, T. Facade Element, PCT/CH 2011/000304

2010:

• Groll, E. A., Hutzel, W. J., Bertsch, S. S., and Bouffard, D. B., 2010, Heat pump system with multi-stage compression, US 7654104 B2

2020:

• Arpagaus, C.: High Temperature Heat Pumps – Market Overview, Refrigerants, Application Examples in Food Industry, and Steam Generation Heat Pumps, A2EP Briefing: Advances in industrial heat pumps, Australian Alliance for Energy Productivity, 3 September 2020.
• Arpagaus, C.: Hochtemperatur-Wärmepumpenin der Industrie: Potentiale für Prozesswärme, Marktübersicht, Aktuelle Entwicklungen, Anwendungsbeispiele, 1. EVT (Energieverfahrenstechnik) Online-Tagung «Hochtemperatur-Wärmepumpen im Energiesystem», 22. Juni 2020.

2019:

• Arpagaus, C., Bless, F., Bertsch, S.S., Schiffmann, J.: Wärmepumpen für die Industrie: Eine aktuelle Übersicht, 25. Tagung des BFE-Forschungsprogramms "Wärmepumpen und Kälte", 26. Juni 2019, BFH Burgdorf (Vortrag).
• Arpagaus, C.: Test Procedures on Heat Pump Water Heaters, IEA HPT Annex 46, 7th Working Meeting, May 16-17, 2019, Seoul, South Korea.
• Arpagaus, C.: Industrial heat pump references in Switzerland – Examples (Task 1, first draft), IEA TCP HPT Annex 48 Meeting May 13-14, 2019, Tokyo, Japan.
• Arpagaus, C.: Hochtemperatur-Wärmepumpen für industrielle Anwendungen, 4. Internationaler Grosswärmepumpen Kongress, 8. Mai 2019, Zürich.
• Bertsch, S.: Wärmepumpen für Haushalt und Industrie, EnAW Gruppensitzung, 7.11.2019.
• Bertsch, S.: Stromverbraucher Wärmepumpe: Past, Present, and Future,  ETG-Fachtagung Energiend der Zukunft, Electrosuisse, 14.5.2019.
• Bertsch, S.: Welchen Betrag zur Energiewende können Wärmepumpen leisten?, Energietag Sevelen, 11.5.2019.
• Bertsch, S.: Kurs «Wärmepumpen und Geothermie». Hochschule für Technik Rapperswil, Rapperswil (CH), 25.02.-27.05.2019.
• Markstaler, M.: Potential thermischer Speicher durch Wärmepumpen und PV, 17. Nationale Photovoltaik-Tagung, Bern, 26.3.2019. 
• Markstaler, M.: Mit Wärmepumpen den Eigenverbrauch erhöhen, Verein St. Galler Rheintal, 13.6.2019. 
• Markstaler, M.: Bauen mit der Sonne, Idee-Suisse an der NTB, 14.11.2019.
• Markstaler, M.: Entwicklung der Photovoltaik, SolarKirche Buechen-Staad, Evang. Kirchengemeinde Buechen, Thal, 22.11.2019.
• Nigsch, S.: WPT - history, principle, challenges and state of the art, IEEE Seminar on WPT systems, Oct 28-29, 2019, Warsaw, Poland.

2018:

• Markstaler, M.: Steuerungen für PV und Wärmepumpe. SG-Ready und mehr: Was können sie wirklich? Symposium Solarenergie und Wärmepumpen, 14.11.2018, Rapperswil.
• Arpagaus, C.: Domestic Hot Water Heat Pumps (IEA HPT Annex 46), IEA Networking Event, Neuchâtel, Hotel Beaulac, 30 October 2018.
• Nigsch, S.: Induktives Laden – eine komfortable Lösung für die E-Mobilität. NTB Technologietag 2018. NTB Buchs, Buchs (CH), 12.06.2018.
• Arpagaus C., Prinzing M., Bless F., Uhlmann M., Büchel E., Frei S., Kuster R., Bertsch S.S., Schiffmann J., Hochtemperatur Wärmepumpe mit HFO und HCFO Kältemitteln, Deutsche Kälte- und Klimatagung (DKV), 21.-23. November 2018, Aachen, Deutschland (Kurzfassung).
• Arpagaus, C.: Potential für Hochtemperatur Wärmepumpen in industriellen und gewerblichen Anwendungen, Symposium Energieeffizienz mit Praxisdiskussion, Abwärme für Fern-und Nahwärmeanwendungen mittels Prozesswärmepumpen nutzbar machen, OCHSNER Energie Technik GmbH, 3. Mai 2018, Windisch.

2017:

• Bertsch S., 2017, Effiziente Abwärmenutzung für Prozesswärme und Dampf, Vortrag an der EnAW Fachtagung, Greiner Packaging AG, 14.11.2017.
• Arpagaus C., Bless F., Schiffmann J., Bertsch S.S.: Hochtemperatur Wärmepumpen: Marktübersicht und Stand der Forschung, Deutsche Kälte- und Klimatagung (DKV), Arbeitsabteilung IV: Klimatechnik und Wärmepumpenanwendung, 23. Nov. 2017, Bremen, Deutschland (Kurzfassung).
• Arpagaus C., Bless F., Schiffmann J., Bertsch S.S., Review on high temperature heat pumps - market overview and research status, European Heat Pump Summit, Oct 24-25, 2017, Nuremberg, Germany.
• Arpagaus C., Bless F., Schiffmann J., Bertsch S.S., Review on high temperature heat pumps - market overview and research status, International Workshop on High Temperature Heat Pumps, Sept 11, 2017, Copenhagen, Denmark.
• Bless, F.; Arpagaus, C.; Bertsch, S.; Schiffman, J.: Theoretical analysis of steam generation methods – the case of high temperature heat pump. The Seventh International Symposium on Energy (Energy7). Manchester (GB), 13.–17.08.2017.
• Marquart, J.: Inductive EVSE Technologies – Available technologies, market products and energy Efficiency. IEA-4E Workshop on Efficient Electric Vehicle Supply Equipment (EVSE). Wien (A), 28.09.2017.
• Schiffmann, J.; Carré, J.; Arpagaus, C.; Bertsch S.: Turbocompressors for Domestic Scale Heat Pumps – A Critical Review. 12th IEA Heat Pump Conference. Rotterdam (NL), 15.–18.05.2017. Oral presentation O.1.6.1.
• Schiffmann, J.; Carré, J.; Weickgenannt, A.; Arpagaus, C.; Bless, F; Bertsch, S.: Turbokompressoren für Wärmepumpen – Eine Übersicht. 23. Tagung des BFE-Forschungsprogramms «Wärmepumpen und Kälte». HTI, Burgdorf (CH), 14.06.2017.

2016:

• Bertsch, S.: Wärmepumpen: Trends und Entwicklungen. Bauen-Modernisieren Messe. Zürich (CH),
  08.-11.09.2016.