commercial building sizing

[bbdd1]

I was just wandering how you sized a/c's for commercial buildings, i know you can't explain it here but is there a web site or a book,i have taken a heat load/heat loss
class on residencial but not commercial.

[ruud-man]

ACCA Manual N...

[du mech eng]

methods outlined in ashrae fundamentals handbook. actually trane trace 700 does it for me but it uses the methods outlined by ashrae.