Always vent outside (never into an attic or wall). Use rigid or flexible ducting with minimal bends, and insulate ducts in cold climates to prevent condensation.

Basic tools include a screwdriver, wire strippers, drill, drywall saw, duct tape, and a voltage tester. You may also need ductwork, insulation, and a vent cover depending on the installation.

Yes, if you’re comfortable with basic electrical and carpentry work. However, hire an electrician if wiring is needed.