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Why We All Trust Mr. Rogers

Why We All Trust Mr. Rogers

Reps spend an inordinate amount of time marketing lab and air flow control products compared to their frequency of use. You have options. And in the right setting, they all work fine. The decision comes down to which brand you trust. And who has a better reputation...
The Power v Trust Dynamic in Wisconsin Construction – Part 1

The Power v Trust Dynamic in Wisconsin Construction – Part 1

I recently spent time with some of Air Flow’s favorite customers.  We hopped planes and inspected Price’s technical center outside of Phoenix. I heard several customers gush about the performance of our sales teams.  That sure makes me feel good. And I got to thinking...
Are you the type who wants to know how the (electrical) sausage is made?

Are you the type who wants to know how the (electrical) sausage is made?

Sorry, vegans and vegetarians, you won’t like this metaphor.  Pretend the meat is tempeh.  Our human brains don’t have the capacity to understand everything.  That’s way too much work, and cuts into our Netflix binge watching. On the other hand, some things are worth...
Curiosity Leads to Enlightenment

Curiosity Leads to Enlightenment

You must admire this young man’s curiosity. Why, you might ask? It’s because curiosity leads to enlightenment. I know plenty of mechanical engineers that have a strong curiosity drive. Heck, that drive propelled them to accomplish great things in their careers. Aren’t...
Interrupt Ratings.  What Could Go Wrong?

Interrupt Ratings. What Could Go Wrong?

Oh Victor, Gather up a bunch of dead body parts, sew them together, add a slightly used maladapted brain, and tap into lightning using a kite. What could go wrong? That is the same mentality you need as you approach SCCR interrupt voltage ratings. What could go...
25 Years In, Quick Look Back, Then Forward

25 Years In, Quick Look Back, Then Forward

Hey there, Air Flow’s followers. LONGER POST WARNING.  On March 3rd, it will be 25 years since I purchased the company from my father’s partner’s wife Mary Alice Drees.  Feels like the 20th anniversary blog post was written yesterday, and not 5 years ago. Since I...
Turns Out, Price Has a Leakage Nerd Too

Turns Out, Price Has a Leakage Nerd Too

I thought I was alone on the quest to research and teach folks about duct and system leakage.  Turns out I’m not alone.  Meet Mark Mahon, Business Development Manager for Price Industries and all-around great guy.  (Nerdiness never prevented likeability, did it?)  A...
What Leaks Most?

What Leaks Most?

I know you guys love my pop quizzes.  In your duct system, what leaks most? AHU/RTU High pressure ductwork Low pressure ductwork Terminal box Life safety damper Access Door Diffusers Of course, the devil is in the details.  Question is, how much of this information is...
We Have to Find the Leak

We Have to Find the Leak

There is no HVAC board room like the image above where the owner is looking for leaks.    OF COURSE no one wants a leaky system.    But duct leakage doesn’t exactly rear up its head and bite you in the butt, does it?  It’s difficult to measure, expensive to test, and...
What Leaks Most?

What Leaks Most?

I know you guys love my pop quizzes.  In your duct system, what leaks most? AHU/RTU High pressure ductwork Low pressure ductwork Terminal box Life safety damper Access Door Diffusers Of course, the devil is in the details.  Question is, how much of this information is...