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).
Jun 01, 2016. 1  Summer is here, which means for many of us, thoughts are turning to air conditioning. 2  If you're thinking about upgrading to central air, be prepared to spend between $6,000 and $15,000, depending on the size and complexity of the job. 3  Here's what else you need to know.