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Qualities of an AD Pro…

1. You are compulsive about organizing the dishwasher, and rearrange dishes that another person loaded. 2. Loose cables, even concealed, are an intolerable problem. 3. “Honey, it’s time to rearrange the living room furniture again…” 4. Your...

The Quiz Before the AD Class

One thing I know about engineers. They love pop quizzes. Here’s some food for thought before our Air Distribution (AD) class on 03/03/26. Here’s a plaque diffuser. It’s a terrific general-purpose diffuser. 1. Here’s a directional diffuser. Does it perform any...
News Flash – Hot Air Still Rising, but Diffusers not Mixing

News Flash – Hot Air Still Rising, but Diffusers not Mixing

The video depicts a common phenomenon. Last I checked: Hot air still rises Engineers still prefer VAV systems VAVs in heating mode still limit air flow from 30-50% Is it really so shocking that typical diffusers don’t make spaces comfortable in heating mode? When’s...
My Air Distribution Conspiracy Theory

My Air Distribution Conspiracy Theory

Who doesn’t love a good conspiracy theory? Hear me out. Think about all the companies that you ever purchased or specified grilles and diffusers from. And think about where they came from. Titus? That’s Texas. Krueger? Funny, Texas again. Nailor? Guess What? Texas....