This article is a summary of the skills you need to test, diagnose, and optimize an existing duct system.

Let’s look at some helpful “static” pressure tests you can use on the building side of the duct system to diagnose common problems.

Many professionals are uncomfortable looking beyond the equipment and duct systems they install, which can affect their service to their customers.

With a few measurements or design numbers and some quick math, you can estimate the influence outside air has on a system.

Some beliefs often have hidden consequences that lead to long-standing issues and a lot of aggravation.

New skills and test instruments may look like a predator to employees if they don’t understand why they’re important.

Let’s look at five hidden reasons HVAC systems might not keep up when the temperatures get hot, how to test for them, and potential repairs.

With the right conversation, customers get the HVAC system they expect, and you get a profitable sale that leads to a long-lasting relationship.

When faced with an obstacle, we decide to overcome it or quit and walk away. The consequences of those decisions mold us into the individuals we become.

Paying attention to these 10 factors will ensure that customers get the highest possible comfort and efficiency.