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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

Does Setpoint Lead to Freezing?

Does setting a thermostat too low cause an air conditioning system set in cool mode to freeze? The answer is no, at leas

Fan Blade Shroud Depth

When a system has abnormally high head pressure (high condensing temperature over ambient) and compression ratio, one of

So You Want to Be a Space HVAC Tech

“It sounds very fancy, but it's really the HVAC of the spacecraft — controlling humidity, temperature and the whol

Top Residential A/C Maintenance Tips

A while ago, Bert made a video about his top residential A/C maintenance service tips. He showed some pretty good practi

Maintenance During Major Repairs

Every contractor is different. I get that. We don't all need to do everything the same way or include the same services

Battery-Integrated HVAC Systems: The Concept of Load Shifting with Built-in Storage

Over the past several years that we’ve been discussing electrification as an industry, we’ve heard concerns about the el