As you keep playing the game the vent opens up, if you need specifics then go on poptropicasecrets.com
the factory, get the crowbar to open the vent
you click on it and you will use the laser pen
It is next to the door to the mystery shack.
There is no vent room on Cryptids Island. There are vents on 24 Carrot Island.
To open the vent on the house on Toupee Terrace you need the Laser pen. You get it from the First Spy rescued at the Docks, The spy on Toupee Terrace is the Second Spy. (see related question)
On The Spy Island!
no no no no
There is a vent available for this. It is meant to cap 1 1/2 PVC. T the drain and put the vent as high as you can. It is spring loaded and the water will pull the vent open and close when the pressure equalizes. This is only for a single sink. If using a double sink, one side uses the other for the vent. You can use the add on with a double, you just don't have to.
you have to use your fan to get up to the bolted door then use your toolkit to open it after you get in and chase the guy around
At Parrot Port, the "vent" is the chimney on the roof of Petey's Pirate Pub.
The air vent should be open to allow steam to escape. If it doesn't escape, your jerky will not dry out.
There is a little knob in the girls room that controls the vent