Posted 9/4/2024 21:39 (#10878823 - in reply to #10878404) Subject: RE: HVAC gurus
Southwestern Minnesota
I'm not an HVAC guru, but do have a Honeywell thermostat that has a separate programable fan feature. It can be on auto, on, or circulate. I run the fan on circulate and it really helps keep the dust under control. I also have a good filter in the furnace and change it every three months or so.