Comparison of Pre-Insulated Steel and PEX Pipes in District Heating Networks: A Life Cycle Assessment
By: Hesham Ali, Maryam Khaliq, Janika Laht, Igor Krupenski and Anna Volkova
References
- Ali H., Dedov A., Volkova A. Exploring Heat Demand Forecasting in District Heating Networks Using Random Parameter Linear Regression Model. Environmental and Climate Technologies 2024:28(1):670–685. https://doi.org/10.2478/rtuect-2024-0052
- Vauchez M., Famiglietti J., Autelitano K., Colombert M., Scoccia R., Motta M. Life Cycle Assessment of District Heating Infrastructures: A Comparison of Pipe Typologies in France. Energies 2023:16(9):3912. https://doi.org/10.3390/en16093912
- Persson U., Werner S. Heat distribution and the future competitiveness of district heating. Applied Energy 2011:88(3):568–576. https://doi.org/10.1016/j.apenergy.2010.09.020
- Korsman J., de Boer S., Smits I. M. Cost Benefits and Long term Behaviour of a New All Plastic Piping System. 2008.
- Plastic Pipe Systems for District Heating, Handbook for Safe and Economic Application. 1999.
- District heating systems. British Plastic Federation Pipes Group, Sep. 2025.
- REHAU Ltd. Heat network solutions: Your district heating partner. 2016. Document no. 817740 EN.
- Ali H., Volkova A., Dedov A., Moser S. Rethinking peak load in district heating: Operational insights and techno-economic pathways. Energy Reports 2026:15:109061. https://doi.org/10.1016/j.egyr.2026.109061
- Chicherin S., Hachez J., Chaudhry A. M., Bram S. 5th Generation District Heating and Cooling (5GDHC) Systems: Improving the Efficiency of a Booster Heat Pump. Environ. Clim. Technol. 2025:29(1):259–271. https://doi.org/10.2478/rtuect-2025-0018
- Vega A., Yarahmadi N., Jakubowicz I. Determination of the long-term performance of district heating pipes through accelerated ageing. Polym. Degrad. Stab. 2018:153:15–22. https://doi.org/10.1016/j.polymdegradstab.2018.04.003
- Strogonov K., Fedyukhin A., Stepanova T., Derevianko O. Estimation of Practical Significance for Application of Composite Pipes in Comparison with Metal and Polymer Materials. In International Scientific Conference Energy Management of Municipal Transportation Facilities and Transport EMMFT 2017, Murgul V., Popovic Z., Eds, Cham: Springer International Publishing, 2018:1024–1035. https://doi.org/10.1007/978-3-319-70987-1_111
- Perzon M., Johansson K., Fröling M. Life cycle assessment of district heat distribution in suburban areas using PEX pipes insulated with expanded polystyrene. The International Journal of Life Cycle Assessment 2007:12(5):317–327. https://doi.org/10.1065/lca2006.08.264
- Mibec Ltd. Why plastic pipes for district heating? [online article] 2016.
- Ali H., Hlebnikov A., Pakere I., Volkova A. An evaluation and innovative coupling of seawater heat pumps in district heating networks. Energy 2024:312:133461. https://doi.org/10.1016/j.energy.2024.133461
- Puzule L., Šinka M., Borodiņecs A. Life Cycle Assessment as a Tool for Advancing Positive Energy Districts: A Systematic Literature Review. Environ. Clim. Technol. 2025:29(1):460–470. https://doi.org/10.2478/rtuect-2025-0031
- Wieland A., Dollhopf S., Weidlich I., Langroudi P. P. Heat Loss Determination of District Heating Pipelines. A Comparison of Numerical and Analytical Methods . Environ. Clim. Technol. 2024:28(1):20240070. https://doi.org/10.2478/rtuect-2024-0070
- Vauchez M., Venus M. Parametric modeling of life cycle assessment for district heating: a comparison of pipe typologies in France. 2021. [Online]. [Accessed 20.01.2026]. Available: https://www.politesi.polimi.it/handle/10589/209198
- Karlsson J., Brunzell L., Venkatesh G. Material-flow analysis, energy analysis, and partial environmental-LCA of a district-heating combined heat and power plant in Sweden. Energy 2018:144:31–40. https://doi.org/10.1016/j.energy.2017.11.159
- Mahon C., Mediboyina M. K., Gartland D., Murphy F. Life cycle assessment of Irish district heating systems: a comparison of waste heat pump, biomass-based and conventional gas boiler. Clean Technol. Environ. Policy 2022:24(5):1437–1451. https://doi.org/10.1007/s10098-021-02257-y
- Sukumaran S., Laht J., Volkova A. Overview of Solar Photovoltaic Applications for District Heating and Cooling. Environ. Clim. Technol. 2023:27(1):964–979. https://doi.org/10.2478/rtuect-2023-0070
- Feofilovs M., Pakere I., Romagnoli F. Life Cycle Assessment of Different Low-Temperature District Heating Development Scenarios: A Case Study of Municipality in Latvia. Environ. Clim. Technol. 2019:23(2):272–290. https://doi.org/10.2478/rtuect-2019-0068
- Diaz F., Pakere I., Romagnoli F. Life Cycle Assessment of Low Temperature District Heating System in Gulbene Region. Environ. Clim. Technol. 2020:24(2):285–299. https://doi.org/10.2478/rtuect-2020-0073
- Zhang Q., Liu G., Liu Y. Sustainable practices in steel manufacturing: Substitution elasticities between waste, raw materials, and energy for greenhouse gas emission reduction . J. Clean. Prod. 2024:477:143845. https://doi.org/10.1016/j.jclepro.2024.143845
- Walker S., Rothman R. Life cycle assessment of bio-based and fossil-based plastic: A review. J. Clean. Prod. 2020:261:121158. https://doi.org/10.1016/j.jclepro.2020.121158
- Wang Z., Li Z., Sun H. M. Life Cycle Assessment of District Heating Distribution Networks in China — Pipe Production. Appl. Mech. Mater. 2013:256–259:2652–2655. https://doi.org/10.4028/www.scientific.net/AMM.256-259.2652
- Huijbregts M. A. J., Gilijamse W., Ragas A. M. J., Reijnders L. Evaluating Uncertainty in Environmental Life-Cycle Assessment. A Case Study Comparing Two Insulation Options for a Dutch One-Family Dwelling. Environ. Sci. Technol. 2003:37(11):2600–2608. https://doi.org/10.1021/es020971
- Kuntuarova S., Licklederer T., Huynh T., Zinsmeister D., Hamacher T., Perić V. Design and simulation of district heating networks: A review of modeling approaches and tools. Energy 2024:305:132189. https://doi.org/10.1016/j.energy.2024.132189
- ISO 14044: Environmental management – Life cycle assessment – Requirements and guidelines. ISO, 2006.
- ISO 14040: Environmental management – Life cycle assessment – Principles and framework. ISO, 2006.
- Olsson N. LCA of Low-temperature District Heating Network Components, 2021. [Online]. [Accessed: 20.01.2026]. Available: http://lup.lub.lu.se/student-papers/record/9038080
- Wernet G., Bauer C., Steubing B., Reinhard J., Moreno-Ruiz E., Weidema B. The ecoinvent database version 3 (part I): overview and methodology. Int. J. Life Cycle Assess. 2016:21(9):1218–1230. https://doi.org/10.1007/s11367-016-1087-8
- Murat J., Smyk A., Laskowski R. Selecting optimal pipeline diameters for a district heating network comprising branches and rings, using graph theory and cost minimization. 2018.
- Jeandaux C., Videau J.-B., Prieur-Vernat A. Life Cycle Assessment of District Heating Systems in Europe: Case Study and Recommendations. Sustainability 2021:13(20):11256. https://doi.org/10.3390/su132011256
- Kocks H.-J., Kroop S. Environmental Product Declarations for Steel Pipes. 3R International, 2018;1:49–55.
- Huijbregts M. A. J. et al. ReCiPe2016: a harmonised life cycle impact assessment method at midpoint and endpoint level. Int. J. Life Cycle Assess. 2017:22(2):138–147. https://doi.org/10.1007/s11367-016-1246-y
- Fröling M., Holmgren C., Svanström M. Life cycle assessment of the district heat distribution system: Part 1: pipe production. Int. J. Life Cycle Assess. 2004:9(2):130–136. https://doi.org/10.1007/BF02978572
DOI: https://doi.org/10.2478/rtuect-2026-0041 | Journal eISSN: 2255-8837 (formerly 2255-8845) | Journal ISSN: 1691-5208
Language: English
Page range: 599 - 614
Submitted on: Mar 28, 2026
Accepted on: Jul 16, 2026
Published online: Nov 8, 2026
Published in print: Jan 1, 2026
Published by: Riga Technical University
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open
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© 2026 Hesham Ali, Maryam Khaliq, Janika Laht, Igor Krupenski, Anna Volkova, published by Riga Technical University
This work is licensed under the Creative Commons Attribution 4.0 License.