Heat pumps technology of heating and cooling

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/123456789/3492