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need wall cap for pro range hood

last year

Spent some time looking into this but it’s so mixed without a clear guidance. What does everyone recommend for an external wall cap in the northeast to vent out a pro range hood pushing 800cfm? Needs to be 10”

I’ve looked at luxury metals, famco and broan (louvre design) but am having a hard time deciding on both look and function. Any suggestions really appreciated.

Comments (10)

  • PRO
    last year

    Go to a HVAC supply house. This isn't found on vent hood site, and it isn't brand specific.

  • last year

    Is something like a famco or luxury metals sufficient?

  • PRO
    last year
    last modified: last year

    This is HVAC. Go to a HVAC supply house. Why insist on overpaying, and over complicating? Your GC should know of all the local supply houses. Or, at least his sub should.

  • last year

    Valid point, need to find one. GC made it seem like I need to source so haven’t looked into local thinking maybe it’s an issue.

  • last year

    How about his RDP Hooded Wall Vent with Screen and Damper? Owners seem to like it and it has a damper and screen.

  • last year

    Also, if the wall cap is more than a couple of feet from the hood (which itself should have a damper), a damper should be used close to the wall cap.

  • last year

    It’s a very short run - just about a 10”-15” rise to an elbow and out the back wall. In either case I intend on getting the cap with its own damper on the outside just for the extra piece of mind. Called a local hvac house and they seem to have something in stock so will run over and see what they’ve got.

    @kaseki - I’ve not been on this board for long and only started browsing now with the project but are you an engineer or an hvac specialist because I see you have a wealth of knowledge on the topic and quite the authority following. Just curious as I find individuals like your self very few and far between which is challenging when trying to get answers. Everyone’s got the “I’ve done it a million times”.

  • last year

    That RDP cap is a knock off from famco and is the exact one I was looking at. They don’t have many specs but I imagine with a wide mouth like that in a 10” diameter it should be well positioned for the output of the vent.

  • last year

    I are an engineer (except perhaps to the National Society of Professional Engineers). My educational field was electrical, not HVAC, but basic engineering principles can operate across fields. I had to learn this stuff for my own kitchen renovation (ca. 2008 - 2012). I was "triggered" by a Vent-a-Hood salesman's spiel. One may need a thick skin (introversion) to hang around for a long time.

    For the big picture, it can be helpful to review commercial literature. This is the best I've seen. The first dozen of so pages should be sufficient:

    https://www.tagengineering.ca/wp-content/uploads/2015/02/KVSApplDesign_catalog.pdf

  • last year

    Wowza that’s some heck of an article. Definitely makes sense.