The paper deals with the issues of direct conversion of thermal energy to electric one due to the use of the thermoelectricity effect to provide independent operation of a cathodic protection station when heat transfer fl uids fl ow through pipelines. The experimental setup description, applied techniques and procedure, and the experimental results are presented. A possibility of generating electricity using thermoelectricity effect for a cathodic protection station independent power supply source is demonstrated.

The aim of the study is to develop a design of an air-heating recuperator for a purge ventilation system of a building inbuilt for the purpose of utilizing lower-grade heat from ventilation gases and emissions with the associated production of thermoelectricity. An experimental design of an air-heating recuperator as part of an experimental purge unit has been developed. It includes a thermoelectric source of electromotive difference, which operates as a result of the associated conversion of heat into electricity, which allows utilizing lower-potential heat of ventilation releases from 40 ° C to 60 ° C.

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A new structural material for the production of ventilated facades (ventilated fences)-granulated blast furnace slag, which has high structural, thermal and adsorption properties, allowing to signifi cantly increase the energy-saving and environmental characteristics of ventilated fences and, accordingly, facades of buildings and structures. Developed by the innovative design of ventilated facade (ventilated fencing) based on blast furnace slag, allowing the clear air of the street from a signifi cant part of nitrogen oxides, sulphur oxides, oxides of carbon, soot particles and dust, to reduce the amount of heat delivered to the building in summer and heat loss in winter, which greatly improves the environmental and economic performance of buildings.