Maintaining indoor air quality has gained renewed importance as K–12 students around the country prepare to return to in-person learning full time. It’s one of the timeliest, most important methods of keeping learning environments safe as the COVID pandemic winds down. And the more we learn, the more we refine and revise what we thought we knew. Our guest is Scott Huffmaster, the commercial HVAC leader for indoor air quality for North America for Trane Technologies, Inc. This episode is sponsored by Trane.