Abstract
This article presents the impact of climate change on air treatment processes and energy demand in a selected air-conditioning system. The analysis was performed for a system supplying rooms with pre-treated primary air. Further treatment occurred directly in the rooms with individual devices such as fan coils or chilled beams. The analysis of the second stage of air treatment was not part of this study. The calculations were made for the city of Warsaw, where, according to the climate analysis for the period 1961–2020, an increase in outside temperature by 0.4 °C per decade and an increase in air humidity by 0.2 g/kg per decade were observed. The system analysis was divided into two stages. The first, including calculations made for monthly average climate data for the entire period of 1961–2020, shows changes in the energy demand of the system, resulting from progressive climate change. This analysis confirmed the general tendency of increasing demand for cooling energy and decreasing demand for heating energy, which is also observed in many other regions of the world. The second stage, based on calculations for hourly climate data in selected years, is an analysis of the operation of all elements of the system equipment. Research has identified areas that will have an increasing impact on the energy efficiency of the whole air condition system during further climate change.
Highlights
Climate change monitoring presents two major challenges for climatologists—distinguishing natural climate fluctuations from variability and anomalies of anthropogenic origin; and predicting scenarios for the future
A large part of the publication contains a discussion on the possibility of adapting residential buildings to climate change and the factors motivating the increase in the popularity of mechanical air exchange and the use of air conditioning devices in residential buildings [17,18,19]
The results show a much greater reduction in heating energy demand than an increase in cooling need [23]
Summary
Climate change monitoring presents two major challenges for climatologists—distinguishing natural climate fluctuations from variability and anomalies of anthropogenic origin; and predicting scenarios for the future. Progressive climate change is expected to have a significant impact on world life from decades to centuries. The need to counteract these changes, as one of the fundamental problems of the modern world, was included in The 2030 Agenda for Sustainable Development in 2015 [9]. The need for humanity to respond is caused by the wide impact of climate change, on the natural environment, but on all areas of life. The aim is to identify threats and actions necessary to ensure energy security of countries, ensure access to sustainable energy and improve energy efficiency, and minimize the impact on human life and the environment, which are the goals of the 2030 Agenda for Sustainable Development
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