Thanks stookeyfpe. I'll checkout the ASHRAE Fundamentals Handbook.
Curious as to what others are using to make this determination. And I wonder if others have a preference between a dry pipe system vs a wet pipe system with heat trace.
I'm struggling to figure out if I can use a wet pipe sprinkler system for projects throughout California. Most of my projects are either single story commercial buildings or low-rise residential buildings with sloped roof, wood framed, and the insulation is at the ceiling. So any piping in the...