My hood is basically a big square box, easy to stand up in and move around some. The exhaust fan also vibrates a lot at top speed, so much that the wood hood can be felt vibrating. Madeline, I was unaware of Coburn's. 
I have an *amazing*, old school, perfectionistic kitchen contractor and a great vent hood specialist (from Coburn's, you have at least a couple Coburn's stores in TX if you choose to bring someone else into the job). The cabinet maker should have created an access panel since you were venting out the wall. What is the purpose of overlapping windows in acoustic signal processing? and are working on getting at least part of our $$ back. You can literally rotate them all the way to straight, so 5, 10, 15 or 27.3 degrees can be easily achieved. 
:-). When I had my hood installed, the flex duct was there from the previous owner. So the duct is located below the outlet for the hood? Then subtract 120"- 27" - height of hood = how high the instruction book says to be? Is a boxplot useful, when it doesn't even look like a box? Replace Over the range microwave with hood. Yesterday I had my exhaust fan insert installed in my wood mantle hood, and he did use flex duct! This isn't just a petty bureaucratic issue, it's a safety issue. I've just spoken to our plumber about this, who's coming tomorrow to hook up the sink etc., and he thinks the above is do-able (mate the two pipes as the unit is being pushed up and positioned.) That causes noise and efficacy issues. You need to learn how to use multi-section rigid duct elbows, which can be rotated to be considerably less than the 90 degrees you buy them at. Is it safe to use a flexible duct near the end of an 18ft dryer exhaust run? Asking for help, clarification, or responding to other answers. How to avoid sealing duct joints inside walls? Bottom line was that the installer had to buy the correct parts and make it work to pass inspection. Get to know the types, styles and why you may want to skip a hood altogether, Bring warmth and beauty into the heart of your home with a range hood crafted from nature's bounty, Today's kitchen range hoods can look like sleek sculptures. I'm outnumbered! How can one check whether tax money is being effectively used by the government for improving a nation? Which is true. If you were venting straight up, you would have access from the attic and be able to attach a piece of rigid ducting to the vent and raise it straight up into position and make the final connections in the attic. I'd also speak to a lawyer about possible recourse against your builder. Check out these great uses of texture, then let your fingers do the walking, With pot fillers, shelves, racks and more, you can get the most function out of the space above your kitchen range, It may be time to think about your appliances in a new way. Range Vent Hood Ducting - Can two 5" ducts work in place of one 10" for a range vent hood? These guides can help you set up your kitchen for how you like to cook, Architect Steven Randel has taken the measure of each room of the house and its contents. Can I vent a window air conditioner through a joist space for 30 feet? It may also become an insurance issue if you have a fire and your insurance company refuses to pay out. Is this typical? MM
hjNV]M@[Vb`zB?3HVw|o4c#N"XZ-HGPsw7d u%s5hUYLd6K Stand your ground, my friend! The transition of circular cross section to a rectangular hole in the ceiling is also questionable and ugly as sin. /Rttm%fH~ }kw8w You don't need to be worried about a potential fire. So, does this make a difference re grease/fire hazard? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I'd get a quote on what it would take to route the duct correctly. Manufacturer's installation brochure says no flexi-duct (it will create back-pressure and air turbulence and greatly impede efficiency of fan.) Range hood damper and wall duct not aligned. There is a lot of vibration and I don't feel a huge gust going up into the 600cfm space. Meanwhile, turns out we got a real bum steer with the original person (yeah, obviously!) Last night I read PeterH2's comment not to use flex duct in a range hood because of possible grease build-up/fire hazard. Though I think if I stretched it out 100% it would minimize the ridges. Good luck, Magda. At least mine does not go up into the attic -- it is all self-contained in the hood itself, and goes straight out the wall behind the hood. My contractor was *disgusted* when he saw the flex pipe. e6)EIgf"{lf||U7$8GzR'F5'_)F]TH_rGetd|lF hV23dp",5g;p~Y7U?K My GC tried to pull the same thing with my venting, using small flex duct, though he knew it was against code. Best of luck, and if you want to talk to my Coburn's guy, just email me anytime! Bangalore? Do you still have money held back that is payable after all items pass inspections? I have to do this within about 30" of height from the vent hood to the ceiling. And you are right not to let him stand on the granite/cooktop. Please help,I need ideas on how to cover-up,hide the range hood ducting. I don't know if it's the new location (Texas) or if things have gone downhill everywhere since we moved here 4-1/2 years ago, but we are finding out the hard way that there are a lot of contractors out there who just don't know what they're doing. He brought me into the attic to show me all the problems it can cause, then brought me into the attic of another of his customers with properly installed rigid pipe. I'm currently switching out my builder-installed, against code, flex ducted vent hood system to a rigid pipe, new liner, new inline blower. It was a great lesson. 3 inches of offset? No, this isn't a losing battle. I am also appalled that others that you speak to in your area seem to back him up. How can I offset 6" ducting by just a few inches? Stay with rigid whereever possible - semirigid induces a lot more turbulance making for noisier operation. How do I connect these two pieces of dryer duct in my attic?
Shiny, trendy backsplash tiles and "quality" oak cabinets to distract the eye from the wretched work behind them. it's way too far from each other. As for the safety hazard, I've already had 1 cooking-related house fire. From what they've taught me, and my own research/recent crash course, it's a big deal in a few ways- the fire hazard, and the fact that wherever that flex duct bends you're losing the benefit of the full circumference of the pipe. I like Weissman's suggestion of reporting the guy, or at least the threat of it. K2;/cYx In that case, yes, you will have to move the duct and more than likely take the cabinet down to be able to work behind the wall. :-) Yes, I can still smile. Help what length duct for wall mounted range hood? If so, that will make it easier for you to either get your money refunded or to get they installer back to correct this issue. He said I'd only get about 1/4 of the distance of (about 2 feet!) Youll find everything here, Privacy and space can be hard to find in urban areas, but these ideas can make a difference, East Vancouver homeowners turn to Craigslist to update their 1960s bungalow, Dedicated to Quality & Passionate About Design in Passaic County, NJ, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, http://ths.gardenweb.com/forums/load/kitchbath/msg121718033887.html?7, What to Consider When Adding a Range Hood, Wood Range Hoods Naturally Fit Kitchen Style, Kitchen Confidential: All Good in the Hood, Please Touch: Texture Makes Rooms Spring to Life, Home Above the Range: Smart Uses for Cooktop Space, Here's Help for Your Next Appliance Shopping Trip, The Essentials: Key Measurements to Help You Design Your Home, 8 Tips to Help You Live in Harmony With Your Neighbors, My Houzz: Online Finds Help Outfit This Couples First Home. rev2022.7.29.42699. I think that the way it is on the drawing will work just fine. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The extra charge was about $30, mostly for time/labor, as duct is pretty cheap. What was the point of having an exterior duct installed, and spending $$$ on an exhaust fan, and then get this. We do not have a GC so will have to take the stand ourselves. I'm recharged to have it done properly, according to Code. Unfortunately the granite is now installed so he's going to have a much harder time getting up in there than he did yesterday, when he could stand on a piece of plywood on the cabinets. It would be ideal to have range centered with the Island, as you have it at the floor plan. Cabinetmaker who referred me to this person says *everyone* uses flexi-duct around here (far suburb of Dallas). Sigh. Does China receive billions of dollars of foreign aid and special WTO status for being a "developing country"? I'm not about to let him stand on my granite or on my new cooktop. Since your refrigerator is on other wall, that creates a balance between range and fridge and range and sink. of the ducting that way, anyway. When the light is on its at 0 V. Ethics of keeping a gift card you won at a raffle at a conference your company sent you to? Is it permissible to walk along a taxiway at an uncontrolled airport to reach airport facilities? Connect and share knowledge within a single location that is structured and easy to search. The good news is we found a very good appliance installer in the process. This installation may not meet the vent hood manufacturer's specs or the building code. My switch going to the bathroom light is registering 120 V when the switch is off. :). A good real estate lawyer can let you know whether the flipper can be pursued legally and whether it makes sense. Other alternative is converting the hood to a top vent but that would require cutting hole and ducting through the cabinet. I was about to post an answer to this question and then see that you already posted the same exact idea. Of course I told him he could go ahead and replace the flex duct with rigid duct. Anime style movie about mutated people that gain murderous abilities such as projectile-shooting limbs and limbs with blades on the ends, Convert all small words (2-3 characters) to upper case with awk or sed. Oh, I love that line, "this is what everyone does." The easiest thing to do would be to just use semi rigid ducting however from what I've read this is considered less than ideal because of potential for grease to build up on the ridges. I'm not sure how long the run from the fan is vertically, but can't be more than a few inches to a foot. This seems unlikely -- how many range hoods must there be that don't have doors! (Worst case, it may not even vent outdoors!) So a 10" pipe bent (and therefore squished down below 10") at a 90 degree angle even once makes the whole system louder, less efficient, etc. Robot head, polo, transcendence and a helpful alien guide. Thanks so much for sharing that. Vancouver? I am installing a range hood and due to a ceiling joist in the way, I have to offset the ducting going through the ceiling by about 3" from the center of the hood. You have plenty of room to make a nice little offset using a pair of elbows rotated to whatever matching degree gets you just the offset you need. If not, that's where I'd start----after this guy refunded your money. thanks so much lwo, katsmah, and shannon. UBis|"DqOGQz9#f=mq'wDfI3[WNZjGq"= `jS>i'f"1 Announcing the Stacks Editor Beta release! katsman, no, we stupidly paid the whole thing. Is lateral offset in 3.25x10 inch duct allowed? Proper installation can make a huge difference in noise, etc. I asked installer why he couldn't put mostly rigid duct, and then hang the flexi down from that so as to be able to attach it, and then push the unit back up into the wood hood. To learn more, see our tips on writing great answers. It doesn't matter what everyone else does, it's against code, period, get the installer to come back and fix it. City Code says no flexi-duct, unless manufacturer says flexi-duct is permissible. I questioned that and he said he couldn't use rigid duct because there were no doors on the front of it, so it was not possible to get up in there to do it. Just because the guy has gotten away with what he's doing, doesn't make it right. It sounds like you have some great people to work with. Good news is he has not cashed the check, so I put a stop on it while DH works this out with him. Things sure do vary by region. I am glad you are standing your ground. The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. Thanks for contributing an answer to Home Improvement Stack Exchange! It only takes a minute to sign up. The closest one is in Athens TX, about 1.5 hours away, but I'm going to call them tomorrow. I'm sure that once he is forced to do it correctly, he will quickly figure out the parts to the puzzle. Do I center my hood & range with the island? As far as access panels, I can only say that my contractor says it's far preferable--he's putting them in for me--but it it can be worked around if they're not there. tj@E How gamebreaking is this magic item that can reduce casting times? Is this a losing battle? "Moving a range hood by a few inches" by dee850,http://ths.gardenweb.com/forums/load/kitchbath/msg121718033887.html?7. Then you just need oak doors or an oak panel to cover up the whole shebang or hopefully help dim the memory of what you've seen. Once the functional and code issues are corrected, the top can be patched in a simple manner as it is not visible normally. So glad to hear you had the opportunity to stop the check! We had agreed to cover all inspections from day one as BF is retired, and pointed out the ducting to the inspector who promptly failed the installation. Installer who put it in says same thing. The stove backs up to an exterior wall, so the exhaust vent (which he also installed just yesterday -- builder had not done so) goes pretty much straight out. Good luck! But your point is well-taken -- one squish or kink in the flexduct and that can ruin the whole reason for having it. Does what my installer said have merit? It is a Faber 600cfm exhaust fan. Tell the installer he is in violation of city code and it needs to be fixed or you will report him. Should I ask him to come back and change to the rigid flex that Peter was talking about? I see a lot of pics of hoods that definitely don't look like they have access panels. He said he would not be permitted by his employer (the appliance store) to leave my house with flex duct still there, or he'd be fired. 3
ZtFNyj4> J(&)K{ What's your experience on this? Seems there is also some sort of wire tacked to the wall nearby?? I am appalled that the contractor is willing to risk your and your family's life so his task could be easier. I ran into that once during my reno. I would consider having a very thorough inspection done. It's sellers like this who give flipping a bad nameit's the worst clich. Wait, so HOW did Quentin Beck know that Earth was 616? DH is on board with this too. Houzz Pro: One simple solution for contractors and design pros, You should have a discussion with your appliance salesperson or the instruction manual, but normally the bottom off the hood should be approx 66" off the floor (30" off the countertops).
Put on your no nonsense pants and insist the work be done to code. You could duct tape everything down, but that's like a band-aid. Then he said flex duct is in compliance code. There is a cabinet door above the hood that gave access. Hold your ground and demand that the work be done correctly. Assuming you needed permits for the work and will have an inspection, you won't pass. ~ Eric from cabinetconnectionofnc.com. My silicone mold got moldy, can I clean it or should I throw it away? Explain to them what the duct is for so they can make a duct to suit the application. Every turn increases turbulence and noise and reduces throughput. 30 inches of height?
Image from directflues UK - no affiliation, but a good illustration (inclusive of the possibility that you could to the offset with one, if it happened to work out that way.). I can tell you that it is against code here in SF, CA. Venting straight out the wall is harder on the HVAC person, but the attachment can be done with the asphalt based mastic instead of metal tape.
Cholera Vaccine: Dubai? Or should the cabinetmaker have made some kind of access panel on the front of the hood? Is it necessary to provide contact information for tens of co-authors when submitting a paper from a large collaboration? Each section of the elbow can be rotated with respect to the others. Is this person a professional HVAC person? Use rigid ducting for the first few feet (where maybe grease buildup will be the worst), then go to semi-rigid through the ceiling and back to rigid in the attic. I hated doing that, but would have no leverage any other way. Here's what to look for when you go shopping for one, If you're looking for a new hood for above your stove, you have a wide range (pun intended) of options, Great design stimulates all the senses, including touch. I'd insist on rigid pipe installed by someone who cares about doing it right. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. You have to have patience, and it'll be stinky for a good while, but it's doable. Making statements based on opinion; back them up with references or personal experience. Appliance store salesman says same thing. Thanks Marcy, I'm going to call our City Code Department right now. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I'm wondering if this is because of the air resistance against the flex duct. Given this appallingly shoddy work, I'm wondering what else has been done wrong that is harder to detect. I appreciate all the help here.
I don't have enough room to put elbows in and that would offset it too much anyway. How can we determine if there is actual encryption and what type of encryption on messaging apps? Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. There is no access panel, so how is he supposed to get his hands up there to connect the unit to the rigid duct after he has pushed it up into the wood hood? Can one use large-diameter rigid plastic pipe for HVAC ducting slash why is this never done? No, he was not an HVAC person and thank you for that suggestion lwo. We got our HVAC guy out here and he's working on it. Ducts for hood vents should run as straight as possible. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Lawyer says bumping softwares minor version would cost $2k to refile copyright paperwork. At the time, I wasn't educated about hoods, so I didn't think a thing about it. If your range hoods use a rectangular duct such as a 3.25 X 12" or 3.25 X 14"and not a round duct, I would go to a duct fabricator or HVAC shop and have them make a duct exactly as what you need. |,0` m%P2fN0d{x`
QhR,00OFPiPJ0ak^`1m}/&AW[AB#{%ec8p6SZwv%x&XLE$,gY;3c. He also explained that if I refused to allow him to replace the flex duct, he would not install the hood, and take it back to the store, and they would refund my money for the hood. It won't work well if not aligned. Please don't assume that it's not worth it or not possible; investigate now to have a chance to protect your rights. I didn't want to sound b@tchy, but had to insist that I knew what the code was and what he was trying to do wasn't code. If a species keeps growing throughout their 200-300 year life, what "growth curve" would be most reasonable/realistic? I'm in Southern Louisiana, it's against code here. Don't get me wrong, I quite like the tiles Jina, totally don't worry with lining it up with the fire place. You won't see it. BUT, don't you think that with precise measurements and good care, he could arrange and position the rigid pipe so that it mates up perfectly with the unit when he pushes it up there?? When the appliance store installer came to install my hood, he said he would have to replace the flex duct, whether I wanted it or not. Please help!! Mine was cracked when someone did that :( Luckily my fab fabricator fixed it and no one can tell. Well THANK you Weissman, Breezy and Madeline for your strength on this! One more question for you: I see his problem. It doesn't sound like you have a GC who can talk to the installer, right? It would have made things a lot easier.
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