2000 Kia Sportage How much or about would it.

Be to actually have the clutch replaced in my vehicle. The cheapest I have found the clutch is for 190.00 through car quest. My husband is a diesel tech and doesn't have the time to do it. I need to know the cost of someone towing my vehicle and replacing the part within a couple of days in or around port st. Lucie florida. And also would that clutch have anything to do with the air conditioner not working as well. We had thought in the past that it was actually causing the car to over heat but that was due to the back catalytic convertor needing to be replaced. I knew that the clutch has been needing to be replaced for sometime now but never really slipped until you turned on the air conditioner unit. Also should I have the head gaskets replaced just to be on the safe side due to the car over heating so much before both catalytic convertors were replaced. I know it's a Kia but I really do love it because these days with the fuel prices and all it does pretty well. Thank you very much. Jacqueline Mead.