Box Fan With Filter Reddit

The air purifiers meant to use those filters have super powerful mechanisms designed to pull air through those filters which is not an easy job.

Box fan with filter reddit.

The pre filter catches the dust then the hepa can just catch small particles. My top two tips are to put the filter on the intake side and then you don t need to secure it to the fan. Most have a washable pre filter so your hepa filter doesn t get clogged with dust. The box fan with the merv 13 can filter the air before it enters the space thereby reducing allergens and other pollutants found in outdoor air.

The fan does sound like it s a bit under strain. I need to replace both filters now because it s amazing how dirty and gross they are. Help reddit app reddit coins reddit premium reddit gifts communities top posts. Terms content policy.

So it must be working. Also i use a cheaper filter on the outside of that to make the more expensive filter last longer. Fan 20 x 20 box fan any model and manufacturer filters depends on your needs and research findings. These can be hard to find quickly with the conditions however.

Replace filters as needed via. Right now i have a small box fan that i have taped a furnace filter to the back. If you just used the fan filter method i imagine the filter would get saturated with dust fairly quickly. Building the box fan air purifier.

This article is based on the 3m merv 12 20 x 20 pleated filter and the web absorber cut to fit 20 x 25 filter. The problem with just slapping a filter on a fan that isn t made for it is that the fan s power is greatly decreased so you end up with no real output from that fan. A typical hvac filter is designed to be replaced every several months or. As you can see in his video demonstration terrell tapes a 20 by 20 inch whole house air filter merv 13 or higher which sells for 15 over a 20 inch square box fan which you can find for.

Log in or sign up to leave a comment log in sign up. The fan in the window also positively pressurizes the indoor space so that contaminants are pushed out preferably through another window. 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. This allows the hepa filter to last a year or more.

Tape an air filter to a box fan for a makeshift air purifier.