If expressed, this gene codes for white, or no color, and is dominant over the alleles that code for a certain color (i.e. orange or black), making the white spots on calico cats. If that is the case, those several genes will be expressed in a blotchy coat of the tortoiseshell or calico kind.
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.
Most states require that central air conditioning units be installed by licensed contractors, meaning the cost to replace your unit may include installation and labor fees. If installation and labor fees are included in the price, expect to pay anywhere from $2,650 to $15,600 for installation of a central air conditioning system as of 2013. Most central air conditioning units come with two- to five-year warranties.