[Shop-talk] Electrostatic filters?

[Randall]

> I'm wondering:  To get the full cleanliness benefit of these 
> filters, do you have to leave the furnace blower running all 
> the time and keep the doors and windows shut? 

To get the *full benefit, yes.  But the partial benefit is still pretty
nice.  Half the dust & dirt is still better than all of it.

Not to mention mold spores, smoke, pollen, etc.

Randall