Australian researchers tested 21 vacuum cleaners from 11.
Vacuum cleaner blowing out dust.
Although the filters should deal with it a torn vacuum cleaner bag will also allow the dirt and dust to simply blow through the machine.
Typically when sucking up the water you won t ever have an issue with blowing dust back into the room so we ll scratch that out as an issue right away.
To investigate disconnect power and lower the cleaner head then turn the vacuum cleaner over and remove the belt cover on the cleaning head.
But yours might not be filtering air correctly.
To fix a clog in the vacuum whether it is a canister or bag use your finger to feel for a clog.
To fix a clog in the hose feed one end into a garbage bag and poke the other end with the back of a mop pole until you push the clog material out into the garbage bag.
Pull as much of it out as you can and discard.
Also check the seal that seats the bag and make sure it s well connected.
If an upright cleaner is spitting everything out it means that the brush roller is ejecting everything.
Check to see that your bag is reasonably fresh empty.
It sounds like your bissell has this and he flipped these around so that it s now pulling through the filter and blowing out the power head.
While the simple answer is that if your wet dry vac is blowing dust into the room it typically means there is an issue with the filter and it needs to be investigated.
Make him vacuum for a week as punishment.
Sometimes the belt on a vacuum cleaner eventually cracks or splits causing the vacuum to lose suction which can cause dirt to blow back out of the unit during use.
Certain vacuum cleaners spit fine dust and bacteria back into the air where they can spread infections and trigger allergies.
An overfull or old clogged bag will not capture dust as effectively.