While decreasingly so, there still remain plenty of loud outdoor vent hoods apparently interviewing to become jet engines. This ranges from model to model — Vent-A-Hood, for instance, builds ones clearly set on a career change into “stealth jet engine” instead. Many of their models operate extremely quietly thanks to proprietary blower technology. Speaking more generally, some vent hoods overall are marketed specifically as quiet alternatives to their bigger, louder counterparts. They aren’t shy about it, either.