Box Fan Furnace Filter Diy

This project is so simple and inexpensive.

Box fan furnace filter diy.

Insofar as filter changing costs you will find that it is still much cheaper to buy furnace filters and variants of them without sacrificing on quality or air cleaning capacity. Securely fasten a merv 13 filter to the air intake side of the fan. I taped a 20 by 20 inch honeywell fpr 9 filter to a lasko 20 inch. 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.

These filter fans can filter out the small particles that are common in wildfire or wood smoke. That sticking a furnace hvac filter on a standard box fan produces a useful diy air purifier. Apply gasketing to the edges of the air intake part of the fan. This filter will filter pollen dust mites mold spores bacteria proplet nuclei droplets from sneezing and smoke.

There will be a little arrow on the filter showing which way the air should flow. Mine cost 20 at a local home improvement store. 20 inch box fan. Once you have your materials place the filter in front of the fan with the airflow direction.

These can be hard to find quickly with the conditions however. Purchase a standard 20 box fan. In 2018 i tested a popular claim. 20 by 20 by 1 merv 13 furnace filter.

Particle pollution can lead to a number of immediate and long term health impacts such as trouble breathing asthma attacks and lung and heart disease.