After two or three weeks without smoking, your lungs may start to feel clear, and you'll start breathing easier (AHA, 2012) . For most smokers, withdrawal symptoms dissipate about two weeks after quitting.
Use and Energy Efficiency Opportunities. Energy Use in Supermarkets. On average, supermarkets in the United States use around 50 kilowatt-hours (kWh) of electricity and 50 cubic feet of natural gas per. square foot per year â an average annual energy cost of more than $4 per square foot. For an average-size (50,000 square foot) store,
Report Abuse. The average household in the United States uses about 8,900 kilowatt-hours of electricity each year.. there are 9000 hours in a year. so 9e3 kwatt-hour/9e3 = about 1kw average usage, averaged over time, is 1000 watts.At 10Â¢ per kw-hr, that is 10Â¢ per hour, or $2.40 per day or $900 per year.eport Abuse. The average household in the United States uses about 8,900 kilowatt-hours of electricity each year.. there are 9000 hours in a year. so 9e3 kwatt-hour/9e3 = about 1kw average usage, averaged over time, is 1000 watts.