AC/Heat only blows hot


my car will not get hot so what can i do?

I'd start by letting the get up to operating temperature, then in the passengers side foot well above the fuse box cover locate a copper colored pipe - see if it's hot. If it is, shut the engine off then turn the key back to the "on" or "run" position. Do not start the engine. Position your head close to the center of the dash and operate the temperature control dial. Do you hear anything moving, clicking etc.?
 
Quick update...after sitting for a couple weeks it is back to blowing cold AC. I think I am not going to touch the temp control since the major of my driving is done during warmer weather. Atlanta doesn't get too cold during the winter, I will just save it for the warmer days...like today, hi close to 70!
 
Sounds like blend door stickyness atl_gt. If you do need heat at some point, don't go full tilt with the dial. This would prevent the door from adhering itself to the housing - if that's the issue.

Good luck!