Use Tubelights instead of bulbs. Use electronic chokes in Tube lights. Keep your electrical equipment and fixtures clean. Use faint colors to the walls. Switch off tubelights, fans etc. when not in use. Use electronic regulators for fans instead of ordinary regulators. Defrost refrigerator regularly. Do not open refrigerator frequently. Ensure that the air-conditioned space is properly closed. Clean regularly the filters of air-conditioners. Set geyser thermostat at the minimum. Buy electrical equipments of ISI marks only. Do not overload washing machine more than the prescribed limit.