1 70.4% of school staff have seen bullying. 2  62% witnessed bullying two or more times in the last month and 41% witness bullying once a week or more. 13. 3  When bystanders intervene, bullying stops within 10 seconds 57% of the time. 14. 4  Been Cyberbullied 6% of students in grades 6â12 experienced cyberbullying.
Adding central air conditioning to an existing forced-air heating system in a 2,000-square-foot house averages $3,500-$4,000, and can be done by two technicians in 2-3 days, with little or no change to the existing ducting; if ducts must be added, the work time doubles, as does the cost to $7,000-$8,000 or more, according to ThisOldHouse.com .
Central air cost. The average central air conditioner prices to buy minimum SEER rating (13 seers) central air conditioner unit is $2,643. Imagine having to buy 20 seers central ac unit with 5 ton.You probably are look at 4 or 5 grand or even more.f youâre planning to buy air conditioners with higher seer rating and more Ton the HVAC price will be higher than this. Central ac units with 5 tons and 18 seer rating would cost about 3 to 5 grand or even more. This is just air conditioner units. It does not include the heating units.