You should calculate how much snow your roof can hold—and then watch for warning signs after a big snowfall. Most roofs constructed after modern regulations were passed in the U.S. in 1988 are built ...

Not long ago a residential load calculation — also known as a heat loss calculation or a load calc — was something you had the luxury of skipping. There was a good reason for avoiding it. It was ...

HONOLULU, HI — In commercial, residential, industrial, and institutional HVAC design, it is critical for design contractors and engineers to perform a load calculation. Not only is it important for ...