Diy Air Filter Box Fan Reddit

These filter fans can filter out the small particles that are common in wildfire or wood smoke.

Diy air filter box fan reddit. Most fans will simply recirculate the air out the back around the edges if the filter plugs off. The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46. But if you have an air quality emergency on your hands regional wildfires or your charred dinner under the broiler and you have a box fan tape the right sort of filter and no time to get. There will be a little arrow on the filter showing which way the air should flow.

Some have wondered whether we should tape it onto the back of the box fan filter. This diy air filter for wildfire smoke is less than 20. The fan is also very loud i don t know if quieter box fans exist or if i should attempt to modify this to work with a circular vornado type fan i have one on hand that is much much quieter and seems to push more air. Don t do this with a heater fan as it might set the filter on fire.

This set up was done in 2 rooms. Using our lighthouse 3016 iaq laser particle counter air samples were collected for 2 minutes with a 2 min delay. 20 inch box fan. 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.

Particle pollution can lead to a number of immediate and long term health impacts such as trouble breathing asthma attacks. 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. Shouldn t be a problem. 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.

Take the back casing off of a box fan. Select a fan you wish to use for your filter. The fan does sound like it s a bit under strain. Locate the screws on the back part of the fan and turn them counterclockwise to remove half the case as well as the fan s handle if it has one.

The ideal fan is a 20 in 20 in 51 cm 51 cm box fan since similarly sized filters are common. Right now i have a small box fan that i have taped a furnace filter to the back. One with the box fan and one with the hepa 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.

These can be hard to find quickly with the conditions however. The filters sell for about 15. To make one start by buying a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.