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.
The cheapest portable air conditioning units at johnlewis.com start at Â£249, while at Meaco.com they start at Â£189, although most are in Â£250-Â£500 bracket. Prices can rise to as much as Â£850, but it really pays to shop around. Prices for the same model can vary by as much as Â£300.