Apr 2, 2026
If you build outside air plenums in Wisconsin, and in a word… Yes. The image above shows a typical 4” thick acoustic panel, often used for outside air plenums. Some of them are made by contractors, some of them are factory fabricated. Nothing crazy for interior...
Mar 30, 2026
A great video depicting ambient acoustic panels from Price Industries. You can learn all about them in our April 7th class Register here! See you online, Tom You’re Invited to “Ambient Sound, Your Chiller Acoustic Package, Barrier Walls, and Panels ” When: April 7rd,...
Mar 20, 2026
Many of you may recall that I was an investor in a fabrication company that manufactured Thermaduct products. One thing I never knew before having an adjoining shop is how many stiffeners went into a section of duct. (Here’s where all the contractors say ‘duh, Tom.’...
Mar 17, 2026
Thanks to you, brave souls, for participating in our breakout room and air distribution design challenges in our last class. Try as we might through several examples, solving for heating at reduced air flow with high ceilings is a problem that’s difficult to solve....
Mar 16, 2026
Trigonometry. Who remembers cosine and tangent, much less the inverse? Air Flow’s next class is going to require you to consider revisiting your high school math. In order to properly determine the height of an acoustic barrier, we have to understand the height of the...
Aug 19, 2025
My guess is that 5-10% of you know plenty about chillers, and you don’t need to sit in our Air Flow/Dunham Bush Chiller class. For me, I look at a chiller in a mechanical room and get mad at myself because I can’t identify the components without a notepad and a few...
Aug 14, 2025
One of my favorite sayings is “No one does anything until there is a problem to solve.” So this chiller training/Dunham Bush product overview invitation flies in the face of one of my own favorite statements. The chiller market is mature. There are big and successful...
Aug 7, 2025
These are great books if you haven’t read them. ‘Revenge’ came out last year and ‘The Tipping Point’ is over 25 years old. Applying ‘Tipping’ principles here, it seems like $50 isn’t a tipping point. Air Flow has been running a $50 gift card for a $500 order for a few...
Aug 7, 2025
Congrats to our first several successful bounty hunters. Both engineers and contractors have won multiple bounties! While there are no more $100 bounties, there are hundreds of bid bounties yet to be awarded. What are you waiting for? Log into Air Flow’s customer...
Jul 31, 2025
Air Flow’s Training Class #3 was centered on the new combustible dust standard 660. We kinda figured NFPA 660 would be a big deal. We Kinda learned it’s not. Not much (that we can see) has changed other than literally the chapter and verse. New standard, but the same...
