This DIY box fan filter is a fairly cost-effective way to clean the air in your home. We purchased a box fan from a hardware store for about $20 and each one of the four air filters separately was ...

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.

The mesmerizing device uses fans and filters to pull contaminants — including smoke, dog dander and the unwelcome coronavirus — out of indoor air.

Smoke is expected to linger in the Bay Area until Friday at the earliest. Here's what you need to know before you take the box fan and air filter approach.

The Corsi-Rosenthal box is an inexpensive air filter you can easily make yourself using a box fan. Learn how they work and get instructions for how to make one.

Be sure to face your box fans the right directions in windows this summer. Michiganders can use fans as an option to cool their homes this season. Summer heat has begun and if you're looking to save ...

Here's how to transform your boring box fan into a colorful rainbow with a viral DIY hack. It's fun, easy, and perfect for brightening up any space.

Valentine’s Day is the perfect opportunity to let your creativity shine, and what better way to do that than with a fun, prehistoric twist? DIY Dinosaur Valentine Boxes are a roaring good time ...

Wildfire-accustomed residents on the West Coast are showing East Coast residents how to build Corsi-Rosenthal air purifiers as Canada’s wildfire smoke blankets the region.

Grace Turner, 31, built her box fan purifier for her home in Rochester, New York, after picking up the trick from living in Salt Lake City. She shared her DIY box on TikTok where she said the air ...

In southern Arizona, an entire K-8 school tackles dust, COVID-19 with DIY air purifiers Students, experts mobilize creative Corsi-Rosenthal Box project ...

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