Quote:
Originally Posted by oldE
If you want to reduce the reactions to air borne dust in a forced air system, you will have to have the system thoroughly cleaned. This probably will mean a professional. In addition an electrostatic dust filter should reduce the airborne materials.
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This. I had the rental (120+yo) cleaned twice.
There was a mouse nest completely blocking one of the vents. Get them every five years.
Been aggressive ever since: steel wool and foam on the rim joist gaps, grill covers for exhausts, ultrasonic speakers, all kinds of baited traps, etc.
With the new furnace and electrostatic cleaner, also added a UV system
HVAC UV Lights for AC Systems-Do They Work? - House So Green to control spoors.
There are all types.
The box stores sell ones you can install in an hour. It needs to be located in a certain place(forgot offhand).
The bulbs only last a year or two, and have to be changed to be effective.