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Equipment Sizing and Airflow in Different Markets

This tech tip was heavily informed by Ed Janowiak’s past symposium presentations. You can watch his presentation about s

What Airflow Goes Around HAS to Come Around

Have you ever woken up early on a Saturday morning and thought to yourself, “I really wish I knew how to size transfer g

Impacts of Decreasing Evaporator Airflow

Airflow, airflow, airflow… When we set up and commission comfort cooling and heating systems, we need to pay more

Low Airflow – Beyond the Obvious

Every now and then, a tech will call me and give me the same story of woe. They're working on a system and have the foll

Bypass Dehumidification/Airflow HVAC Design

There have been several past posts on our Facebook group page about a concept called bypass dehumidification. I think te

Air is Squishy – Measuring Airflow w/ Bill Spohn

Measuring airflow is easy. Measuring airflow accurately is quite a bit more difficult. In many cases, when we as technic

Decoding Measurement Lingo

Troubleshooting and commissioning are entirely data-dependent processes. How can you know that a system is undercharged

The Difference Between Variable-Speed and X13 Motors

First, let's cover the basics. X13 is a brand name for the Regal Beloit/Genteq brand of constant torque motors; there ar

The Evolving Career of the HVAC Contractor: Embracing Change to Stay Ahead

This tech tip was written by Shelby Breger, co-founder of Conduit Tech. You can check out everything Conduit has to offe

How To Do a Heat Maintenance That Actually Matters

I know I’m not the only one who has sometimes felt a little bad doing heat maintenance. I remember many a day when my le

3 Things to Check When the Unit Won’t Keep Up

What is your methodology for troubleshooting an HVAC system that “can’t keep up” on the hottest days of the summer? Let

The Limitations of Diagnostic Charts

This tech tip is based on the podcast with Joey Henderson, “Using Refrigerant Troubleshooting Charts w/ Joey Henderson.”