How much space do I need for a heat press ?

When choosing a press, examine your workspace first.
For a clamshell model or draw press, you will need at least two feet of counter space, if you are considering a swing-away model, at least three feet.
It is a good idea to have room next to the press to layout the garment and to place finished garments. You will also want to take the weight of the press into consideration, especially if you plan to move it around often.