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.
Itâs impossible to give you an exact price for an HVAC system cost and installation, but here is a list of average costs when it comes to HVAC systems. 1  It costs between $6,000 and $12,000 for a 1,000 square foot home. This number assumes you donât already have any of the needed infrastructure in place.