The seven tallest mountains in the United States are all contained within a single state -- Alaska. In fact, the highest point in the continental United States, Mount Whitney in California, is exceeded in height by 16 Alaskan mountains. All seven mountains tower higher than 14,000 feet.
Most homeowners report spending between $3,675 and $7,155 to have air conditioning installed. This price is more typical of a central A/C unit installation rather than a window air conditioner addition which typically averages about $300.Your total cost for the job will depend on the type of system you choose.ost homeowners report spending between $3,675 and $7,155 to have air conditioning installed. This price is more typical of a central A/C unit installation rather than a window air conditioner addition which typically averages about $300.
Generally, an air exchanger will cost approximately $980 to $1,180 per unit. Other costs to consider are the labor and supplies that are required to install the unit. The installation of an air exchanger normally takes about four hours, with total labor costs running between $262 and $352.