Podcast
In 2025, Pottorff launched Behind the Blades: "Not a" Podcast, a weekly series designed to educate those new to the HVAC industry, particularly engineers. Each episode delivers quick but impactful insights on a wide range of topics, including all aspects of dampers, louvers, and broader industry fundamentals.
Previous episodes are listed below.
- Dampers 101 | Ep. 1
- Free Area | Ep. 2
- Anatomy of a Louver | Ep. 3
- How to Select the Right HVAC Damper | Ep. 4
- Dual Side Angle vs. Single Side Angle | Ep. 5
- Mullions in Louvers | Ep. 6
- Dampers Rules of Thumb | Ep. 7
- Louvers 101 | Ep. 8
- Louvers 101 P2 | Ep. 9
- Wind Driven Rain Demo | Ep. 10
- Flange Frame Louver Instillation | Ep. 11
- How Does a Bird Screen Affect Louver Airflow? | Ep. 12
- UL P522 | Ep. 13
- Fire-Smoke Damper Purpose | Ep. 14
- Intake vs Exhaust | Ep. 15
- Why Do Buildings Need Dampers | Ep. 16
- Louver Installation | Ep. 17
- Technical Training Center | Ep. 18
- Fire Damper Sleeves Explained: Which Type Should You Use? | Ep. 19
- Louver Blade Design | Ep. 20
- Free Area vs Velocity | Ep. 21
- Selecting a Louver | Ep. 22
- What Fire Damper Rating Is Required in a 2-Hour Wall? | Ep. 23
- Smoke Dampers Installed Outside Rated Barrier | Ep. 24
- How Tornado Dampers Work | Ep. 25
- Why Mill-Finish Aluminum May Be Wrong for Your Louver | Ep. 26
- What is a Fire Smoke Damper | Ep. 27
- Do Smoke Dampers Close When They Detect Heat? | Ep. 28
- Damper Sleeve or Side Plate? How to Choose | Ep. 29
- How to Read a Damper Pressure Drop Chart | Ep. 30
- Does Horizontal Airflow Call for a Horizontal Damper | Ep. 31
- Blade Profiles for Fire Smoke Dampers | Ep. 32
- Louver Free Area: 3 Misconceptions That Hurt Airflow | Ep. 33
- Fire Damper Opening Size and Clearance Explained | Ep. 34
- What happens if damper gets painted? | Ep. 35
- What Is A Bubble-tight Damper? | Ep. 36
- Industrial Dampers | Ep. 37
