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 | Educational, Featured, General
Air conditioning and heat pump systems are part of everyday life—but their operation is often misunderstood. This guide breaks down the basics in simple, practical terms so anyone can understand how these systems keep indoor spaces comfortable. A Brief History of Air...
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 | General
When rooftop installations require structural support—but you want to avoid roof penetrations—equipment supports are the solution. These versatile, load-bearing components are designed to elevate and support HVAC equipment, piping, ductwork, walkways, and more, all...
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 | General
The MicroMetl’s Sales Department too often receives requests for Hold Down Brackets to meet wind code requirements. The common misconception; the brackets alone installed on a standard rooftop curb will fulfill wind code requirements. Perhaps the misconception...