Is it quite common to hear a rustling noise through a brand new kitchen range hood after couple of hours of use?
I recently changed my old kitchen range hood which I bought years back from Avonlea Kitchen & Bathroom concepts back in Edmonton but in beginning they use to be quite normal sounding. Recently I replaced it with a new one so as to match my modern style kitchen renovation. But I don't get it, how it starts to make so much of noise!
This sounds like the wind blowing the vent flaps outside. This could be because they use a simple "dryer vent" type outside hood.
You may be able to add a little extra weight to the flapper to keep it closed. Adding some coins to the outside of the existing flap is often all that is needed!
My best advice would be to have a professional come and take a look. I hate to be long winded, but, most of these 'new' appliances are made with a greater tolerance for using lesser quality materials to get the cost down.
There are many reasons why a new appliance may not work like it should. On the many range hoods we have installed it is easy to get the light gauge and flimsy damper which directs the air either to the outside house vent or recirculate inside through the charcoal filter slightly out of alignment. This could be allowing air to go where it is not supposed to go resulting in unwanted noise. It may be a manufacturing defect inside. There may be a problem with the opening through the outside wall if an exterior vent is used.
If the appliance is not working the way you believe it should, that should be enough cause for concern to have it looked at sooner rather than later. Best to do it now and put your mind at ease than blame yourself for not looking into the problem after the fact. I try to instill in clients it is best to ask questions when they arise than to deal with the aftermath of the questions that should have been asked.
I hope this helps.
The vents now a days are spec for certain size vents. In the old days all vents where basically 4 inch. Make sure you have the proper size vent or it could cause the unit to be noisier than it should be.
You have to get someone who can understand and would be able to evaluate the issue if either the ventilation or the hood itself.
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