Taming the Tempest: The Science Behind Accurate HVAC Airflow Measurement with the Testo 420 Balometer

Published on Aug. 18, 2025, 9:10 a.m.

Our buildings have lungs. Invisible and silent, the heating, ventilation, and air-conditioning (HVAC) systems breathe life into…

AprilAire E080 Pro 80-Pint Whole-House Dehumidifier

Published on July 5, 2025, 8:45 a.m.

It began not with a heatwave, but with a color problem. In the summer of 1902, a young engineer named Willis Carrier was tasked…

The Workshop War: A Story of Love, Lasers, and the Science of Clean Air

Published on June 19, 2025, 11:24 a.m.

### Prologue: The Smell of Passion It started, as many workshop battles do, with a smell. For Mark, a dedicated hobbyist who…