Periodic “gym sock” smell from mini-split heads (since install)

Hello,We had a “hyperheat” Mistubishi mini-split system installed with three heads connected to one large outdoor compressor (late July 2021) in the Colorado foothills near Denver (very dry climate). Ever… Hello,We had a “hyperheat” Mistubishi mini-split system installed with three heads connected to one large outdoor compressor (late July 2021) in the Colorado foothills near Denver (very dry climate). Ever…Read MoreGreenBuildingAdvisor