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WebAug 11, 2024 · For each elbow in your duct, reduce the total length of your duct run by 5’. For example, a 30’ straight run is about equivalent to a 20’ run with two elbows. When installing your duct, include at least 18″ of straight run before adding an elbow. Make sure there is at least 24″ of straight duct between each elbow. WebLocate and Mark the Vent Holes. Installing a range hood in the kitchen for the first time involves drilling a hole in the wall, attaching new duct work and adding new wiring if necessary. Begin by unpacking the unit and removing the filter, exhaust fan and electrical housing cover. Ideally, the new hood should be large enough to extend one inch ... citibank locations phoenix az
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