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Information × Registration Number 2114U002229, Article popup.category Thesis Title popup.author popup.publication 01-01-2014 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/34922 popup.publisher Сумський державний університет Description Increasing concern to society ecological and environmental issues, the demand for more efficient ways of using heat and energy is growing. Heat pump industry uses year-round heating with thermal energy. This concept is done by providing localized or redirected heat, by the exchange of cold air with the heated air. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34922 popup.nrat_date 2025-05-12 Close