Your home is not 100% air tight. When your blower turns on it creates a suction which could be bring in smoke trough the cracks of doors / Windows
A ducted RC airplane has both the motor and 'propellar' within the body. Technically, the 'propellar' is more of a multi-bladed or faceted fan, and the part of the body within which it's contained is referrred to as the 'duct'. The whole assembly is then referred to as a 'ducted fan' RC plane, which has been subsequently referred to as a ducted RC plane. A non-ducted RC plane would be a conventional plane that you might be used to seeing, with the propellar plainly visible.
A ducted range hood is vented to the outside of the area. A non-ducted hood has a fan that just recirculates the air through a filter.
The past tense of "duct" is "ducted."
Ducted fans can be purchased at most any hardware store such as Ace, Home Depot or Lowe's. There is also a website called Ductedfans that also carries the fans.
With cooker hoods they suck in air... the air has to go somewhere. so it can either can back in the room (recirculated, usually through filters) or they can be ducted out. where ducting is the pipes that take it away.I haven't heard of a machine that is non ducted but i can assume that there isn't an attachment to connect ducting to.
Lipases
A ductless exhaust provides a short channel for the airflow to pass through, while a ducted exhaust provides a pathway to move the air far away.
The large ducted fan blowing in a cage used to simulate midair floating is called a wind tunnel.
You can install ducted air conditioning in your home by firstly installing the ductal air systems in your home. After that, you can install the conditioning units on the outside, in order for your environment to be fully conditioned.
Mr Duct Heating and Air Conditioning, Air Ducts Done Right, Four Seasons Heating and Air Conditioning are all companies that are based in Chicago that install ducted air conditioners.
Not usually, but check with local plumbing authority about codes.
I think it means "return air" - a duct for a ducted heating and/or cooling system