High performance is a current buzzword in the HVAC construction industry. With energy costs a continual concern, designers and specifiers are searching for ways to maximize energy efficiency in ...

Getting something for nothing is rare, but by switching from traditional rectangular ductwork to spiral, you can do just that. Spiral ductwork is cheaper to install and cheaper to use throughout the ...

Charlotte-Mecklenburg Utilities recently let a $9.6-million bid to install 20,000 linear feet of high capacity 48-inch steel spiral water main pipe in 50-foot joint lengths. Taking on the challenge of ...