As one of the most client-facing careers in the HVAC contracting trades, HVAC techs get an earful of customer service calls swearing that their HVAC systems are inexplicably “broken.”

Variant refrigerant flow technology is designed to give building occupants more comfort and more energy-efficient control via zoning.

The “SARS CoV-2 Neutralization by Germicidal UVC Light Systems” study conducted by an independent laboratory validated a 4-log, >99.99-percent coronavirus inactivation in less than two seconds of exposure to Fresh-Aire UV’s germicidal UVC 254-nanometer light systems. 

The HVAC screw will fasten sheet metal to ductwork up to .048” max thickness without pre-drilling.

The fiber glass machinery brand has introduced the Glass Master SG-420 Duct Board Grooving Machine.

When it comes to HVAC duct systems, the commercial cannabis industry prefers fabric duct over metal duct. Excel Air Systems provides some guidance. 

Today, all across the US, the world has changed again because of the coronavirus. 

Whether you're a sheet metal apprentice, an HVAC contractor recruiting or a building owner, it's important to know how to explain the basic principles and technologies behind how HVAC systems work.

Within five years, Kentuckiana Curb Co. in Louisville, Kentucky expects to add 400 jobs as part of a $50 million investment in a new facility, the Louisville Courier Journal reports.

Craiberly Enterprises fabricates and installs ductwork in commercial buildings in the Hampton Roads Area of Norfolk, Virginia. Above is a photo of Deonte Osborne and Jakob Simmons after the shop team made all of the individual parts for a large radius elbow for the Sentara Cancer Center.