It will ultimately depend on how much you plan to use your screen door. Although there are budget options when it comes to garage door screens, it won’t be worth it unless you make use of it. If you live in a climate where it will be ideal to train in the garage with the door open multiple months out of the year, then it could be worth it for you and your family.  However, if you are concerned about security or lack of privacy when using the screen door, it might be worth keeping your garage door closed and install one of the best AC for garage gyms instead.