updaline wrote:
In the process of buying a new home. 2500 square feet, 2 stories,
forced air (gas). Contractor wants to charge $4,000 for a 2 zone
heating/ac system. Does this sound about right or should I get it done
after construction is finished.

Hi,
Not enough info. What components were quoted? Does it include
installation? Is it firm price? Is he just adding cooling onto
existing furnace? What model and specs.? Your location?, etc., etc.