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2889 posts

Uber Geek

#233527 19-Apr-2018 20:03
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We are putting in a new kitchen in our 1965 house.  The roof is an old iron roof then desmateric tiles on top of that.  We live in windy wellington on the top of a hill.


I have a Schweigen UM1170-9ST on order from harvey norman but we can cancel the order and change to a different product if required.  We want a high rate extractor unit built into the cabinet (undermount)  above a gas hob in a semi open kitchen.


Does anyone have experience with this brand of fan or other products.  We want something with an external fan motor so it's more quiet.  The cost for this unit is about ~$1650 + installation.  In this unit the motor actually goes outside the house on the roof.  Ideally you use about 5m of duct with a few turns in it between the kitchen duct and the outlet/motor so that the fan noise is significantly reduced.


Has anyone looked at comericial units instead?  What kind of price are they?





HTPC / Home automation (home assistant) enthusiast.

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6001 posts

Uber Geek

  #1999504 19-Apr-2018 20:25
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Seen a similar model of the same brand in use. No wind noise at all from inside, even on high speed. Motor made a bit of a drone, more so on low speed than high. Would probably pay to consider where and how the motor is mounted if noise is the primary consideration.

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Uber Geek

  #1999644 20-Apr-2018 01:00

Commercial units are what your local Fish and Chip shop has over its deep fryer. I doubt that that is the look that you want in your kitchen.


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Uber Geek


  #1999645 20-Apr-2018 01:18
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The unit you have is probably closer to commercial than any of the range hoods I used to sell, but I do have one tip - use as little bends as possible, and try to use solid pipe rather than ribbed or flexi pipe. 

Ray Taylor
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Master Geek

  #1999889 20-Apr-2018 15:44
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We built approx 5 year ago and put in a  Schweigen brand extractor fan.  BEST decision we made.  I LOVE it.


Is very quiet - has 5 speeds and even on the highest it is really quiet.


We had a few issues with the install initially but that was because the plumber didn't use the right stack on the roof.


We had to engage the sales managers assistance in getting it sorted but she was brilliant. Once that was sorted we have never looked back.




In CHCH there is another company called Smooth Air on Annex Rd ( and they can take most extractor fans and move the fan away from the hood thus reducing the noise.



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Uber Geek

  #1999899 20-Apr-2018 15:59
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use as little bends as possible, and try to use solid pipe rather than ribbed or flexi pipe. 



The installation instructions for these actually recommend the opposite.

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