kitchen exhaust duct size - HVAC-Talk
2011年6月25日 · I'm putting in a kitchen exhaust hood that is 480 CFM with a 6" round duct connection. I've never designed a kitchen exhaust system before but my understanding was that for bathroom exhaust you want to size the duct for 0.1" of head loss. My duct sizer tells me that would require a 10.5" duct. Using a 6" round duct as the manufacturer ...
Kitchen exhaust duct materials? - HVAC-Talk
2010年7月3日 · Grease duct is 16 gauge black iron, or 18 gauge stainless steel, no screws, all seams welded liquidtite. Clearances are 18" from combustibles and 3" from gypsum. Clearance reduction is accomplished with Fyrewrap insulation or fire chase. System needs to be engineered. Originally Posted by rsspencer.
Using Galvanized Steel Metal Duct at Smoke Exhaust - HVAC-Talk
2019年6月6日 · Galvanized sheet metal is carbon steel coated with zinc. The zinc keeps it from corroding. Can’t imagine why anyone would prefer non galv on pressurization or exhaust duct. Now, how about kitchen hood exhaust duct. Code calls for 16 ga welded black sheet metal.
Duct sizing for kitchen exhaust - HVAC-Talk
2017年2月21日 · Duct sizing for kitchen exhaust. In the process of installing the duct work (from inside a kitchen cabinet through the roof) for a range hood the HVAC guys ran into a problem with the ceiling framing. The space above the range hood was too narrow to run a 6 inch round duct. the space is about 5.5 inch the area is wedged between a roof truss and ...
Comercial Kitchen Exhaust Duct Material Selection - HVAC-Talk
2008年2月16日 · Comercial Kitchen Exhaust Duct Material Selection. This is my first post. I am the job super for a new restaurant. My past experience is with residential construction. We hired a hood sub contractor that i am having great difficulty with. He is using plane carbon steel duct work to extract steam from a hood for a kettle to boil bagels in, and a ...
Kitchen exhaust hood, more air flow - HVAC-Talk
2017年6月8日 · A six foot hood can easily be served by one fan. HeatenCoolair liked this post. Rule of thumb calculation for a kitchen hood is square footage of the hood x 100=cfm required at a minimum of .5"sp and sp is going to increase .02 for each 90 and .02 for every 10' of run. The wheel size should be close to the duct size.
Residential Kitchen Hood Exhaust Duct Insulation - HVAC-Talk
2016年6月30日 · Residential Kitchen Hood Exhaust Duct Insulation. I am trying to figure out if it is required to fire wrap or insulate an exhaust duct from a residential range hood to be discharged outside. The hood model is a Broan QSE1. The duct is to be run vertically into the ceiling, then elbow and run approximately 20ft horizontally until it discharges ...
Booster Exhaust Fan Advice - HVAC-Talk
2017年2月3日 · The fan size is dependent on how big the hood is compared to the range, how high above the range the hood is, the size of the existing duct and what kind of cooking you are going to do. For residential 900 CFM is high. For residential use I would calculate the filter velocity I wanted and size the fan accordingly.
kitchen exhaust install - HVAC-Talk
2007年11月18日 · If it is one for your home, read the manufacturers installation instructions since they are all a little different. Call an appliance place to install. You aren't going to get much more than that around here since we cannot see the job. Check local applicable codes. Reply. 11-18-2007, 05:20 PM #5. SubyDude.
Duct for kitchen exhaust hood? - HVAC-Talk
2005年2月8日 · Is there any way to "split" the duct around the stud, or some other workaround? Our kitchen is 12'x13' open to an adjacent 8'x13' breakfast nook. We will have a 30" electric stove. On the garage side of the wall, it is 3-4' to the right to the outside wall. There will be a need for 1 or 2 elbows, depending on the height that the duct comes out at.