A telephone number in the United States consists of:    telephone country code +1  area code (3 digits)  subscriber number (7 digits)   That's a total of 10 digits â¦ for the domestic number, or 11 digits  in international format.
For example, homes with forced hot air heating will have the duct work necessary for a fast and easy installation, when the project involves the running of ducts however the prices climb significantly. The average price to install a central air conditioner will range from $2650 to upwards of $15K.This installation cannot be considered a DIY project, and it is traditional for a homeowner to hire a contractor for the job.or a central air conditioning installation, the basic points of payment include: 1  Contractor-this will be the individual who performs the manual J assessment of the home to determine the appropriate size for the unit(s).
According to heating and air experts at Central Air Conditioning and Refrigeration, 2006 prices for entire central air conditioning systems ranged from about $2,000 to more than $15,000, and prices remained in this range or slightly lower through December, 2010.ardware Factors. A number of factors influence the cost of a central air conditioning system and accompanying installation. According to Central Air Conditioning and Refrigeration, major factors affecting the price of central air conditioning equipment include warranty, efficiency, size and brand.