Box Fan Hepa Filter Diy

Luckily a comparable diy solution can be found at your local hardware store.

Box fan hepa filter diy. 20 inch box fan. Watch out though removing the cover will expose the fan blades so if you ve got any small fingers around. This filter will filter pollen dust mites mold spores bacteria proplet nuclei droplets from sneezing and smoke. In order to create a flat surface on the front of the fan for the hepa filter you need to remove the cover from the fan.

The cover also has an effect on the air flow. Diy air filter one easy and affordable way to make your own air cleaner at home is with a box fan and a furnace filter. After testing i was impressed by how well the diy box fan was able to remove particulates from the air. Your total cost for a diy box fan filter can be as low as 40 50 00 including incidentals like duct tape or higher depending on the filter options.

20 by 20 by 1 merv 13 furnace filter. Make sure to keep the fan out of their reach. 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. But a quick solution as posted by the university of michigan s medical center is to create your own filter using a box fan and a standard hepa filter both readily available in most hardware stores and costing about 25 for everything.

There will be a little arrow on the filter showing which way the air should flow. These filter fans can filter out the small particles that are common in wildfire or wood smoke. Hepa on the cheap. Terrell suggests first buying a twenty inch by twenty inch box fan which usually run around 10 15 unless you are in.

The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46 diy box fan filter with merv 13 filter see results complete results in the chart below. This project is so simple and inexpensive.