Determine where you will install the range hood, then mark where the ductwork will meet the range ... the ceiling drywall approximately where your vent pipe will go. Go up in the attic, find ...

Purchase the exhaust fan (if you don't already have one) and a roof vent. Roof vents can be dome ... Go back into the attic to install the duct pipe. The best exhaust fan venting is through ...

LaurieJean in Oviedo told us she was able to get her new stove-top microwave installed but she couldn't get the microwave exhaust to connect to her old roof vent pipe!