Comparison of COP estimation methods for large-scale heat pumps used in energy planningPieper, Henrik; Ommen, Torben; Kjær Jensen, JonasEnergy2020 / art. 117994, 13 p. : ill https://doi.org/10.1016/j.energy.2020.117994

Efficient use of heat from CHP distributed by district heating system in district cooling networksPieper, Henrik; Kirs, Tanel; Krupenski, Igor; Ledvanov, Aleksandr; Lepiksaar, Kertu; Volkova, AnnaEnergy reports2021 / p. 47-54 https://doi.org/10.1016/j.egyr.2021.09.041 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

GIS-based approach to identifying potential heat sources for heat pumps and chillers providing district heating and coolingPieper, Henrik; Lepiksaar, Kertu; Volkova, AnnaInternational Journal of Sustainable Energy Planning and Management2022 / p. 29-44 https://doi.org/10.54337/ijsepm.7021 Journal metrics at Scopus Article at Scopus

Heat pump potential in the Baltic StatesVolkova, Anna; Pieper, Henrik; Koduvere, Hardi; Lepiksaar, Kertu; Siirde, Andres2021 https://pub.norden.org/nordicenergyresearch2021-02/

Large-scale heat pumps for district heating systems in the Baltics : potential and impactVolkova, Anna; Koduvere, Hardi; Pieper, HenrikRenewable and sustainable energy reviews2022 / art. 112749 https://doi.org/10.1016/j.rser.2022.112749 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Method of linear approximation of COP for heat pumps and chillers based on thermodynamic modelling and off-design operationPieper, Henrik; Krupenski, Igor; Markussen, Wiebke Brix; Ommen, Torben; Siirde, Andres; Volkova, AnnaEnergy2021 / art. 120743 : ill https://doi.org/10.1016/j.energy.2021.120743 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Modelling framework for integration of large-scale heat pumps in district heating using low-temperature heat sources : A case study of Tallinn, EstoniaPieper, Henrik; Mašatin, Vladislav; Volkova, Anna; Ommen, Torben; Elmegaard, Brian; Markussen, Wiebke BrixInternational journal of sustainable energy planning and management2019 / p. 67–86 : ill https://doi.org/10.5278/ijsepm.2019.20.6 Journal metrics at Scopus Article at Scopus

Optimal design and dispatch of electrically driven heat pumps and chillers for a new development areaPieper, Henrik; Ommen, Torben; Elmegaard, Brian; Volkova, Anna; Markussen, Wiebke BrixEnvironmental and Climate Technologies2021 / p. 470−482 : ill https://doi.org/10.2478/rtuect-2020-0117 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Small low-temperature district heating network development prospectsVolkova, Anna; Krupenski, Igor; Pieper, Henrik; Ledvanov, Aleksandr; Latõšov, Eduard; Siirde, AndresEnergy2019 / p. 714-722 https://doi.org/10.1016/j.energy.2019.04.083 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Uuring: Balti riikide looduslikud ja tööstuslikud soojusallikad on alakasutatudMente et Manu2021 / lk. 13 https://www.ester.ee/record=b1242496*est