Techno-Economic Appraisal of Using Radio Frequency For Energy Consevation in the Heating System of Residential Buildings

Residential and commercial sectors are the main consumers of energy. According to available data, these two sectors account for more than one-third of total energy use. Moreover, heating and cooling systems contribute to the major share of energy use in a building. The current research economically evaluates the radio-frequency heating systems for use in residential buildings. A building in District 1 of Tehran was chosen as a pilot for the study and the hydro and gas usage were compared before and after installation of radio-frequency heating systems and related devices. The result showed the after 18 months, 27,896 cubic meters of gas were saved. The net saving from the installation of a descaling decalcifier device for water treatment in 2017 was 100,293,000 rials. Economic evaluation with a non-discounting method of appraisal predicts a positive net present value (NVP) with the economic discount rate of %21.4. Therefore, the utilization of radio-frequency heating systems is economically justified.