Box Fan Hepa Filter Hack

The diy box fan filter was able to drop pm2 5 particulates down 77 the hepa filter dropped the pm10 down 94 46.

Box fan hepa filter hack.

All you need to do is buy what s called a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan. The efficiency of the fan is reduced. The filters sell for about 15. These can be hard to find quickly with the conditions however.

The suction from the fan should also make the filter stick to. In most cases you can complete the initial installation in about half an hour. The fan will be noisier. Could start with a 90mm pvc pipe with end caps fitted.

This set up was done in 2 rooms. It does not have a clean air delivery rate cadr which is the standard for measuring the effectiveness of air cleaners. Remember to place the filter behind the fan and use tape to secure it. To make one start by buying a merv 13 or fpr 10 furnace filter and tape it to the back of a box fan.

One with the box fan and one with the hepa filter. You should do the same if you try this hack. Once you purchase the fan and filters it will take very little in the way of tools and time to assemble a box fan air purifier. Making the fan operate in turbulent air flow as opposed to laminar flow has two consequences.

However we don t know whether this effect would be large enough to be meaningful. The filters sell for about 15. One thing we need to make clear this device is not a hepa air purifier. The box fan with a merv 13 filter should be a useful tool in the fight against covid 19.

Later on when you change the filters allow for an additional 10 minutes or so to vacuum out the motor and remove dust from the fan blades. Using our lighthouse 3016 iaq laser particle counter air samples were collected for 2 minutes with a 2 min delay. 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. And no box fan is engineered to withstand the extra workload of driving air through a dense filter so we can t claim this won t damage the fan s.

Putting the filter after the fan means turbulent air from the fan is going into the filter. Don t worry if you don t have any tape because the.