Originally Posted by
davocean
People do it all the time, but it could be an issue if you ever had a fire. Now you could do this in a shed outside, but your garage is supposed to be sealed off and not allow air to potentially breath fire into the main living area. Even if you use a hole saw and seal it, you have still have placed a tube that can breathe between the wall. This is why we have thicker drywall, fire rated entry doors from garage and other measures . It is my understanding this could deny your claim.