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...
Did you read or watch ‘Around the World in 80 Days’? No issue if you didn’t. Fun fact, the entire journey takes place due to a bet. A big one. A new railway across India creates the possibility for an ordinary human to circumvent the globe, representing a...
Hey there, Air Flow course content follower. For 2024, I thought it would be fun to have a literary theme for each class. From ‘Frankenstein’ to ‘1984’ to the Old Testament. Take a moment and try to picture yourself back in freshman English. If you were in honors...
I’ve visited a lot of you over the years. The climate control in some of your offices leaves something to be desired. “It’s not that bad” you say in your own head, as you picture your own uphill walk between school and home (both ways). Something tells me your...
I’m stretching the hell out of this analogy, but let’s go with it. A ceiling opening is the nail, and just about all of you have settled on a plaque diffuser as your hammer. And for good reason. A great performing product, fairly priced, plenty of competition. But...
I’ve said it before. Mixing ventilation is like a bath. Displacement ventilation is like an upside-down shower. I wrote about it 10 years ago. Wow, time flies. Here’s a link to the archived article if you’re curious. We even made a fun little explainer video on the...
On October 10th, Air Flow hosted a class about all-electric building design. Heat pumps, low water temperature heating systems, low-lift/high-efficiency design, displacement, facades, etc. I know, pretty fancy. One of the class attendees shared that their company...
“I have an $800 diffuser to sell you.” “Hello?” Some discussions end before they begin. On the subject of designing around electronic VAV diffusers, the discussion is usually over before it starts. No problem. 15X the cost of something that works is a challenge for...
Our next training session is about room comfort. Upcoming posts will more directly address that topic. Meanwhile, I notice that 60 Minutes has a piece on HVAC and air quality. The piece aired Sunday, October 29th and was called ‘The Air We Breathe’. Oh my gosh, our...
The engineers behind CookSelect software made it so easy to use, even a caveman could use it. When it’s time to spec air movement, you know what’s required of the job. What you need is fast fan selection and easy scheduling exports. CookSelect allows you...