Patent ID: 7353188

Claim:
A method for operating an air conditioning system selling system, comprising: providing access to a web server of an air conditioning system selling enterprise through a client network; allowing searching for a required air conditioning system; modeling a three dimensional (3D) image of the required air conditioning system and displaying a corresponding 3D image of the required air conditioning system on a web page; simulating a 3D installation of the air conditioning system in a venue in which the air conditioning system is to be installed and displaying the simulated 3D installation on the web page, wherein a 3D image of the venue is generated based on a purpose of a building, an inside volume, an estimated number of persons in a room, an inside material, a type of ventilation system, an internal structure, or a floor number on which the air conditioning system is to be installed; and receiving information required for selling the air conditioning system if a purchase order for the air conditioning system is received, returning to a prior step if a cancel order is received, and repeating the foregoing steps if a request for a search for alternative air conditioning systems is received.