I need to add a couple of vents (outlets) for the HVAC system. It's already installed in the house (20 yrs ago). My plan is to cut the drywall, and the use a nibbler to cut into the branch.
Anyone here have experience with nibblers? I assume this is pretty light guage, 26 guage maybe? I see the electric ones are over $300, and air nibblers are as cheap as $30. I have a big compressor, so I have enough air. Any recommendations?