Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Hood venting to attic.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Connect the ductwork with sheet metal screws wrap the.
It is definitely not a good idea to vent a range hood into the attic.
Cover the hole that you are not using for exhaust and secure the hood to its.
Additionally consider cutting a larger hole beyond that of the vent hole so you have room to work on the vent and so you can see exactly what you re doing.
Air vent 1320 cfm weatherwood galvanized steel electric power roof vent.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood.
The ducting may run horizontally or vertically depending on your type of hood.
Ideally the range hood should be vented to the outside usually through the roof.
The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood.
Your vent hood will have places available for either attic or wall exhaust.
Step 2 run the ducts.
Range hood venting options.
If you are adding a new range hood over your stove and plan to vent it out through the roof you will need to get an adequately sized duct that will run all the way up through the ceiling into the attic and all the way up through the rooftop where it will be connected to your roof top vent.
Be sure to keep this larger piece and use it as a template in the next.
Both island range hoods and wall mounted range hoods can vent vertically and horizontally.
Cut the hole for the vent.
In either case do not vent into the wall or the attic.
This article shows the best way to vent a hood and exhaust fan that s above the stove when you have an interior wall with cabinets above.
The main difference between these hoods is that island hoods must first vent through the ceiling before running horizontally.