Converting a box fan to a cheap, effective air purifier is easier than you might think. Here's what you will need, how to do it, and what mistakes to avoid.

A DIY overhaul is a simple and fast way to make your box fan seamlessly suit the rest of your home's design. Color-matching to your room's scheme is the surest route to make it a fitting complement.

Their team, which now has over 400 people, started testing portable air purifiers, but when they heard of the DIY options made from an air filter attached to a box fan, they started making and ...

MONTANA - With the wildfires burning across Montana, there's a lot of smoke and haze floating around the Treasure State, which can make going outdoors unpleasant or uncomfortable. - So, ...

I taped a 20-by-20-inch Honeywell FPR 9 filter to a Lasko 20-inch box fan and ran that combo through our standard 35-minute, five-match test in our 200-square-foot New York test space, with the ...

We used the same test for our DIY box-fan air purifier. Using a particle counter, we measured the change in particle concentration in the chamber as the fan ran for 15 minutes at its highest speed.

Just one day before classes began, UCSD students and staff helped make their classrooms safer against COVID-19 by building DIY air filters out of boxes and fans.

The supplies to make one filter box cost me $127: $30 for the 20-inch box fan, about $90 for a four-pack of Merv-13 filters (20 x 20 x 1), and $7 for a big roll of duct tape.

The boxes, constructed of widely available fans, filters, cardboard and tape, have become popular during the pandemic as people have sought ways to clean indoor air. (Myung J. Chun / Los Angeles ...

To mediate this issue, she recommends a DIY method using two air filters with a minimum efficiency reporting value (MERV) rating of 13 or above, and a 20-by-20 box fan, which are then arranged and ...