Range hood for 36" Bluestar range
vatobk
9 years ago
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Mistman
9 years agoRelated Discussions
Range Hood suggestion for Bluestar RNB366BV1 36" range.
Comments (1)How many CFM do you need? What is your budget? A liner will definitely save you $$...See MoreVent-a-Hood with 36" Bluestar range with grill
Comments (8)Sorry I didn't see this post sooner. I've got the exact configuration that you were discussing. It works well. Cleaning isn't a big deal, either. I inherited the 36" 900 cfm Vent-A-Hood, 24" deep from the previous homeowner. I have recently installed a 36" Bluestar range top. When I renovated and replaced the old cook top with the BS, I didn't see any good reason to replace the perfectly good VAH. It works fine. While it would have been nicer to be able to install a hood with a slightly wider dimension, the 36" VAH does the job with little fuss. Practically speaking, you rarely run all six burners at full blast at the same time. If you are running things at a higher usage rate, I like to start both squirrel cages at the same time to get ahead of the ventilation draw. You are going love your Bluestar....See MoreRecommendations for island range hood over 36" bluestar range top?
Comments (3)Hoods that try to mimic actual commercial hoods while retaining a more modest size, practical aspect, and decent aesthetics are widely available from many sources that can be found on the Internet. For example, you can download the Wolf Design Guide and look at the pro island hoods to get an idea. There are others fabricating similar designs. While this is a necessary exercise, the first step is characterizing the parameters of the hood, blower, and make-up air system. To do this, it is necessary to start with the size of the cooktop. If you have already done all the math and know your necessary hood size, then a tour of hood makers' wares is next. Please keep in mind that of performance, aesthetics, and affordability, generally only two out of three can be maximized. Most hoods are compromises within these factors....See MoreHelp! Range hood w/ remote blower for 8" duct over 36" Bluestar
Comments (5)All of the above may be true, but are not in themselves totally limiting. In general, there is always a blower that will move a desired air flow volumetric rate through a given duct, but one might not want to operate it, listen to it, or pay for it. But in this case we are on the margin, and feasibility is not prohibited using conventional devices. For example, I have a Wolf/Broan 1500 CFM rated roof-mounted blower operating with a 10-inch duct, and given various estimated pressure losses, expect that it moves 900 - 1000 CFM. A 1000 CFM rated typical hood blower, no matter how large the duct, at a minimum will be significantly restricted by the hood baffles, and at a maximum by any added MUA pressure losses, and would be unlikely to move more than 700 CFM in use with a hood. An 8-inch duct has a sectional area of 64% of that of a 10-inch duct, so the pressure losses operating at 67% through an 8-inch duct of the air flow rate through a 10-inch duct will be similar. In general, one wants to select a blower having a fan curve that supports the desired flow rate at the pressure loss that one estimates is present. Without my looking up the specified hood, let us assume that its entrance aperture is 42 x 27 inches or just under 8 sq. ft. This calls for 8 x 90 CFM/sq. ft. or 720 actual CFM. A typical 1000 CFM blower may achieve this with a 8-inch duct, and one certainly can check the assumptions against blower fan curves (where available) to either ensure adequacy, or at least force the MUA system to be active and not cause significant pressure loss. Note that this doesn't violate your appliance guy's opinion about duct flow rates, although I am sure that his view is based on typical in-hood blowers. If you have the room in some part of the duct path, then including a silencer will help reduce noise back at the hood for only a small added pressure loss. In any case, numerous commercial kitchen ventilation blowers can be found that will pull 720 CFM against any pressure loss likely from a well designed hood/MUA setup. It is quieter to move a given flow rate when the fan blades are large and moving slowly than small and moving quickly, as the latter generates more high frequency noise from turbulence. Induction motors can be controlled by rheostat adjusted phase circuits, and these can be put into hoods. My Wolf hood has such a control, and now the technology allows for it to be performed with better techniques at low cost. These comments are meant to touch on most of your questions, but feel free to delve deeper as needed. kas...See Morecookncarpenter
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