I just ordered a Classic Air system myself. At the moment it is sitting on the garage floor waiting to be installed. It includes everything you will need except the refrigerant. At least that's what they told me. We will probably get to in within the next month or so. It looks pretty straight forward to install and even though it will work with your existing controls, I opted for the slick looking control panel replacement they offer and 4 in dash vents I will be fabricating into my dash.