Box Fan Furnace Filter Diy

There will be a little arrow on the filter showing which way the air should flow.

Box fan furnace filter diy.

Securely fasten a merv 13 filter to the air intake side of the fan. These filter fans can filter out the small particles that are common in wildfire or wood smoke. This project is so simple and inexpensive. 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.

Apply gasketing to the edges of the air intake part of the fan. Purchase a standard 20 box fan. 20 by 20 by 1 merv 13 furnace filter. Mine cost 20 at a local home improvement store.

Once you have your materials place the filter in front of the fan with the airflow direction. One easy and affordable way to make your own air cleaner at home is with a box fan and a furnace filter. 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. That sticking a furnace hvac filter on a standard box fan produces a useful diy air purifier.

In 2018 i tested a popular claim. 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. 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. These can be hard to find quickly with the conditions however.

I taped a 20 by 20 inch honeywell fpr 9 filter to a lasko 20 inch.