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2 2018

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The influence of thermo-modernization on the low-stack emission reduction - a case study of a single-family house

Petryk A., Guzek S.

Infrastruktura i Ekologia Terenów Wiejskich

2018

nr IV/1

1045--1056

In the article, technical and ecological analyses of thermo-modernization of a single-family house located in Kraków and the adaptation of the building to the current regulations were made. The parameters of the energy performance of the building before and after thermo-modernization were presented. For calculating the U-factor of building partitions and the heat demand for the building, the Sankom Audytor HL (OZC) software was employed. The Sankom Audytor ECO 1.0 software was utilized to calculate ecological assessment. In the case of existing buildings subject to thermo-modernization, it is practically challenging to provide a building with a level considered to be energy efficient without introducing additional system solutions in the building’s internal installations as well as using highly efficient renewable energy sources. Due to the constantly growing requirements of the Technical Conditions in the area of limiting the consumption of heat carriers and reducing the U coefficient, thermo-modernization is one of the most important stages of decreasing the building’s demand for primary energy.

The implementation of the low-stack emission reducion program in the municipality of Nowy Sącz

Petryk A., Guzek S.

Infrastruktura i Ekologia Terenów Wiejskich

2018

nr IV/1

1033--1043

The article analyzed the results of air quality measurements in the city of Nowy Sącz and assessed the activities of the local government to reduce low-stack emission. Nowy Sącz is among the top European cities with the most polluted air. According to the annual mean PM10 particles levels within the Małopolska Province, Nowy Sącz belongs to the group of cities and poviats where the highest levels of this pollutant are recorded. In the case of PM2.5 particles, Nowy Sącz is the second city after Krakow in the Małopolska Province, where there is a significant exceedance, including the margin of tolerance, of the limit value of the pollutants. The background and inflow of pollutants from outside the city reaches the level of about 17 µg•m-3, i.e. 85% of the limit value and 50% of the total level of the pollutant in the city. The local government undertakes investments aimed at improving air quality, inter alia: thermo-modernization of buildings, Renewable Energy Sources installation (solar installations) in buildings, elimination of coal boilers and replacing them with gas boilers or new generation boilers.