How long should a 80 to 60mm DIY duct be for it to be effective? <BR>OR, Suggest a good DIY Fan duct(with pics).<BR><BR>I'm using the fan grill method, and it went ...

Social media users on the West Coast who are accustomed to wildfires are showing East Coast residents how to build Corsi-Rosenthal air purifiers as Canada’s wildfire smoke travels south. DIY air ...

Emil from The Practical Engineer purchased two electric duct fans for this project. A duct fan has a propeller-like rotor fan installed inside a cylindrical duct, and generates thrust by rotating it.

Social media users are sharing a surprisingly effective way to protect yourself indoors from the toxic wildfire smoke blanketing much of the East Coast: a box fan, four air filters and a whole lot of ...