Any single article from a good writer is worth reading, and then reading again.
That's always true with Rob 'Doc' Falke, president of National Comfort Institute and a monthly contributor to Contracting Business.
Doc's specialty is airflow and indoor air quality, which he's been teaching at NCI and industry events for many years.
The gallery above describes five of Doc's best articles from 2021. In addition to his prized technical advice, we offer his recent commentary on the value of an HVAC technician.