Preparing for Industry 4.0 in the HVAC and sheet metal industry, an interview with DMI Companies chief operating officer Doug Gudenburr. 

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.

Mechanical contractor Air Systems Inc. has been given a Safety Excellence Award from the Sheet Metal and Air-Conditioning Contractors’ National Association for more than 500,000 work hours without a lost-time accident.