It spells it out for you. As good as a Ductulator is, duct sizing software goes beyond it in several important ways. For example, it allows me to use other methods of sizing such as static regain, total pressure, and constant velocity which may be more appropriate for certain situations. With the Ductolator, youre just guessing. Hernandez feels that uncomputerized firms will still make money but that their poor designs will catch up with them.
Rule of thumb is no good today.
You can't design a system like that anymore - our clients are more demanding and the field is too competitive. Good designs perform better and last longer and that's good for business. And, I don't waste time later solving problems because the system wasn't designed right. In other words, I can sleep at night. Mr. Smith welcomes your email about this article.