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August 12, 2026
Thinking Outside of the Box and Inside the Cube with Roman Baugh
When a 20-ton AC unit needs replacing but the attic access is only 30x30 inches — and the building is a historic church where you legally can't touch the roof or walls — the manual answer runs out of options fast. Roman Baugh walks through the retrofit he engineered for exactly that scenario: four or five-ton VRV/VRF indoor units stacked and manifolded together into a single cube-shaped air handling system, all sharing one thermostat and one set of supply and return ductwork.
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That picture above is a WWII poster reminding soldiers of informed self-interest, which is something we ought to consider when making decisions. We live in a world where we often make decisions quickly and expect to see quick results. That works whenever I buy from Amazon. I order a new belt, and it shows up […]
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I walked into my first real job interview in the HVAC trade. The manager was a guy named Ernie, and he walked me out to the warehouse. Quick warning: guys named Ernie are tough. Don’t mess with a dude named Ernie. He walked up to a box, snatched a pen out of his shirt pocket, […]
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If you went to school and learned the “gas laws” early on, you probably thought it seemed LAME. Then, later, things like mass flow rates, airflow conversions, and compression ratios seemed HARD. Well… It’s because HVAC is hard if you don’t understand the concepts behind the gas laws, even if you never learn to do […]
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