Exhaust vent hole doesn't line up with the new range hood
When a new range hood doesn't line up with the existing exhaust hole, homeowners are forced to route ductwork through cabinets or risk weakening the wall with multiple new holes. Small misalignments happen easily due to measuring errors or shifting layouts, leaving people searching for the easiest way to vent without compromising structural strength.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Exhausting through the top and routing through the cabinet
- 2Cover the misaligned hole with a raceway or cable cover
- 3Notch the back of the raceway where the cable exits to align it cleanly
- 4Oval the hole slightly with the drill bit
- 5Patch the blowout and work with the existing hole
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“The hole that was there from the microwave won’t be centered with the hood so seems like my only option is to exhaust through the top and through the cabinet? what’s the easiest way to do this?”source ↗
“I ended up ~1.5cm off in both directions (wall 28cm).”source ↗
“I'm worried I could be just poking with too many holes and weaken the structural strengh.”source ↗
“I did something similar running coax through my exterior wall last year. Marked everything twice, measured three times, still ended up a half inch off because the bit walked on a hard spot in the mortar.”source ↗
Where this came up
People with this problem also raised
- 4How to patch an inaccessible vent pipe
- 2How to find replacement parts for a rusted water heater vent pipe
- 2Roof vents installed off-center and poorly aligned
- 10How to fix an off-center toilet drain during a remodel
- 4Where do I run the vent for a washer installation?
- 6How to fix a leaking exhaust pipe with wrap on it