The skilled-labor shortage, along with continued recovery in the construction economy, is seeing contracting professionals doing a lot more work with a lot less help. Meanwhile, new technology is revolutionizing many parts of the built environment. HVAC tool makers are lending an ear to the resulting concerns, which range from productivity challenges due to tight labor to knowledge gaps where new tech is concerned. In ACHR News, products and education editor Nick Kostora looks at trends in HVAC hand tools and digital devices. The latest devices are helping pros meet increasingly stringent codes and address higher-tech systems, such as those connected to the Internet of Things.