What are the best Air Conditioning Air Ducts, the round ones, accordian style or the square ones shaped lke a box? Or what do you think is the best one?
Putting in central air in my house and different ac service men tell me different on which ac ducts are better for your home. Which do you think is the best?
The best are the round ones with a metal spiral interior also the rectangular metallic ones, If at all possible stay away from fiberglass ducting—which are in use 100% of the time in residential installations.
The oval one and the one that look like triangles