Abstract
The most effective method of reducing heat losses occurring on the outer surfaces is thermal insulation. In this study, optimum insulation thickness, energy saving, cost saving, payback period and greenhouse gas emissions were calculated with respect to different fuels for Diyarbakır province. The calculations were performed considering three different fuels (natural gas, coal and fuel-oil). The optimum insulation thickness was calculated using the life cycle cost method. Global warming potential is expressed as kg CO2 equivalent (CO2eq.) and calculated by life cycle assessment method. The optimum insulation thickness was found as 0.057 m, 0.066 m and 0.089 m for natural gas, coal, and fuel oil respectively. Payback periods were calculated as 2.85, 3.57 and 2.05 years for natural gas, coal and fuel oil, respectively. Annual avoided environmental impacts for calculated optimum insulation thicknesses were found as 17.45, 51.28 and 26.7 kg CO2eq/m2 for natural gas, coal, and fuel oil respectively.
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