by Micrometl | Jan 15, 2026 | General
What Are QR Codes and Three Reasons Why You Should Use Them! What’s up with those crazy squares? To get Freudian, I think the blob resembles Big Foot, and could possibly reveal the burial place of Jimmy Hoffa. When psychologist Hermann Rorschach created the Inkblot...
by Micrometl | Jan 15, 2026 | General
Air Duct Calculator (Ductulator) What Is It & How Does It Work VIDEO!!! So what is an Air Duct Calculator (Ductulator)? MicroMetl has produced a high quality video demystifying it’s purpose and functionality. This handy little device allows you to size your...
by Micrometl | Jan 15, 2026 | Roof Curbs
Knockdown rooftop curbs are a cost-effective, flexible, and easy-to-store solution for rooftop HVAC installations. Designed to ship unassembled, they offer contractors a practical option when space, budget, and installation logistics matter. What Is a Knockdown Roof...
by Micrometl | Jan 15, 2026 | General
Variable Frequency Drive (VFD)… What Is It, And Why Use It In HVAC? A Variable Frequency Drive (VFD) controls the speed of a motor, specifically a three phase motor. To better understand a VFD, let’s examine the motors they control. Most commercial HVAC...
by Micrometl | Jan 15, 2026 | Roof Curbs
Keeping people out of your building isn’t always as simple as locking the doors. When traditional break-in attempts are too risky or unsuccessful, intruders often look for unconventional access points—one of the most overlooked being your HVAC system. Whether it’s a...
