1. the state or quality of being sensitive; often used to denote a state of abnormal responsiveness to stimulation, or of responding quickly and acutely. 2. analytical sensitivity, the smallest concentration of a substance that can be reliably measured by a particular analytical method.
Typical Electricity Costs. The town of Wellesley, Mass., has estimated the average cost of running central air conditioning in a typical home for six hours a day will use 900 kilowatt/hours (kWh) per month. At a cost of $0.134 per kWh, this amounts to $120.60 per month.A large 12,000 BTU air conditioner, like that in a window, running six hours each day will consume 270 kWh, at a cost of $36.26 per month. A smaller 6,500 BTU room air conditioner will consume 144 kWh at a cost of $19.34 per month. large 12,000 BTU air conditioner, like that in a window, running six hours each day will consume 270 kWh, at a cost of $36.26 per month.
Truth In Numbers. At the average national electricity cost of 12 cents per kilowatt-hour, a typical window air conditioner running 12 hours per day uses 335 kilowatt-hours per month and costs around $40 monthly to operate.A 2.5-ton common residential central air unit uses around 1,300 kilowatt-hours per month and costs just over $150.Now consider the humble fan. A midsize ceiling fan set on high for 12 hours per day costs just over a penny per hour in electricity or just about $3.50 per month.A higher revolutions-per-minute box fan adds just about $4.40 to your monthly electrical bill.ruth In Numbers. At the average national electricity cost of 12 cents per kilowatt-hour, a typical window air conditioner running 12 hours per day uses 335 kilowatt-hours per month and costs around $40 monthly to operate.