Classical ``Allergic response to contact with irritant, usually a hypersensitivity'' [38]. ``Sensitivity means the ability of an organism to perceive, process and conduct emotional and sensual stimuli [...].'' [37] A measure for the minimal strength of a certain stimulus required for a reaction.
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.
1 Smaller homes that are less than 1,200 square feet, the air conditioner can be within the $400 to $1,500 price range. 2  Room air conditioners, usually placed in a window and do not require installation, can cost $400 to $650 while split type air conditioners can be purchased for anywhere from $550 to $5,000. An air conditioning unit is capable of providing cold air to different sized rooms, and this depends on the capacity of the air conditioner; the higher power output the unit has, the more expensive it will be. 2  On average, an air conditioning unit can cost anywhere from $400 to as much as $5,000.