Keep your own hood unit but improve the exhausting performance and quiet operation.
Hood range pipes in unheated attic.
The master flow 3 1 4 in.
Ideally the range hood should be vented to the outside usually through the roof.
However to clean your kitchen air most efficiently purchase a ducted range hood.
1 a deep open sump.
In addition to the great tips you give about not using microwave range hoods and using large smooth straight short ducting two other things i d look for in a range hood.
Sheet metal screws and seal the seams with aluminum faced duct tape not regular cloth backed duct tape.
It is definitely not a good idea to vent a range hood into the attic.
Rectangular appliance wall vent is designed to fit most range hoods that will be vented outside through a wall.
Insulate the duct in the attic.
Rather than relocate the cooking exhaust it will evacuate it from your home entirely.
Screw the ductwork together with 1 4 in.
Investigate why your indoor rh is high and see if it can be reduced.
Range hoods without a duct or ductless range hoods can recirculate air back into your kitchen.
The duct is cold.
Mount the blower unit in the attic and keep the kitchen quiet.
Choose any of the 4 speeds.
Water condenses on the cold pipe and drips.
See if the range hood s backdraft damper is operating properly.
Super quiet still using your own hood.
If you live in an area where frost occurs add an insulated duct sleeve to the portion of pipe in the attic.
Finally install the hood.
But more importantly insulating duct work wherever ducts run through unheated parts of the home will help prevent air loss through the thin metal ducts.
A hood whose underside is shaped like an inverted bowl holds the plume in place so that the fan can pull it out.
Same as the industrial inline blower this blower unit is in between the house exhaust vent and the range hood unit.
Indoor air is exfiltrating through your range hood exhaust duct when the fan is not in use.