Energy Consumption Attributes in Residential Buildings- A Case Study of Replacing Conventional Electrical Appliances with Energy Efficient Appliances

Ajay Thakur, Lalit Kumar, Harsimranjit Kaur Romana, Ram Kishan Malik


Increasing world energy demand is resulting in degradation of environment causing global warming, ozone layer depletion, climate change and exhaustion of our nonrenewable energy resources. This paper reviews different studies about energy consumption in residential buildings and different variables influencing the energy consumption. This paper also reviews the potential and challenges uprooting in the usage of renewable energy sources. The payback period in a residential building varied from 213 days to 502 days for 3BHK dwelling and 213 days to 556 days for 2BHK dwelling if various appliances are replaced with energy efficient ones in a case study of Pune (India). Replacing the lighting appliances came out to be most economical in respect of the consumer, while if TV, Fan and Light are replaced, the initial cost increases but reduction in energy consumption is considerable.  This study shows retrofitting of old buildings, energy conservative behavior of occupants, motivating and educating people for the use of renewable energy sources and use of energy efficient appliances are found to be the most efficient steps to reduce overall energy consumption by residential building sector.

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Residential Building; India; Energy consumption; Energy Efficiency; Energy use; Energy audit; Household behavior; Renewable energy sources.

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