Hydronic heating and cooling systems that allow air or other gases to enter them do not function well. 

The AHR Expo returned to the Las Vegas Convention Center, Jan. 31-Feb. 2, after show organizers had to cancel last year’s rendition.

The free webinar series aims to help industry professionals reduce energy usage.

Armstrong began projecting their customers’ energy savings 10 years ago, as part of a company-wide commitment to sustainability. 

The design maximizes efficiency by minimizing turbulence at the impeller eye.