Joseph C. Henderson Archives

Joseph C. Henderson

Company name: Hvac Consulting Services, LLC

Position: President

Joseph “Joey” Henderson has been an HVAC instructor at Midlands Technical College for over 30 years and has served as the Program Coordinator for HVAC for the last 6 years. He is also the president of his education and consulting company, Hvac Consulting Services, LLC, and is known for providing quality HVAC education to people at all stages of their careers while cultivating an energetic learning environment.

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The Heating Sequence of Operations and Onions

Just like Shrek, I like to think about the heating sequence of operations as an onion—it has layers. And each layer builds upon the previous one. We have written previously in great detail about gas furnaces, from top to bottom. I want to focus today on why there is a sequence of operations and how […]

Electronic Expansion Valve Troubleshooting

Electronic expansion valves (or EEVs) are metering devices that you’ll find in a variety of modern HVAC equipment, including heat pumps, VRF units, inverter mini splits, and chillers. This valve is electronic rather than mechanical and can precisely control the flow of refrigerant into the evaporator and optimize efficiency for heating and cooling units. Other […]

The Best (and Worst) Ways To Duct a Dehumidifier

There are a couple of really important things to understand when ducting a dehumidifier. Getting one or both of these things wrong can throw off your entire dehumidifier install. Instead of just telling you the different ways you can install a dehumidifier, let’s talk through some dehumidifier basics, which will help us understand why it’s […]