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, the sizes of air conditioners are between 1.5 and 5 tons. You can determine the right air conditioner size for your home by hiring an HVAC contractor to do a load calculation. The following air conditioner prices include AC and coil installation: 1  1.5 tons and 18,000 BTU â $1,475.2  2 tons and 24,000 BTU â $1,990.he higher the rating, the more energy efficient the unit is. Air conditioner prices can vary significantly depending on the efficiency ratings of the units. The prices listed below are for 2.5-ton AC units with coils installed: 1  13 to 14 SEER (standard efficiency) â $2,370. 2  15 to 16 SEER (high efficiency) â $3,140.