Author: Roman Baugh

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Roman Baugh

Company name: Kalos Services (Commercial Heavy HVAC)

Position: Director of Commercial HVAC

Roman Baugh joined the Kalos Team as the Director of Commercial HVAC in 2023 after serving as the technical service manager for Daikin North America. He has extensive variable refrigerant volume/flow (VRV/VRF) system experience and has been on several educational podcasts to share his knowledge of VRV/VRF technology.

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When Fear Gets On the Truck With You

You know the feeling that sets in your chest before you finish reading that nine-word text: Hey you got a minute? I need some help. No details. No system description. Just that, from someone who doesn’t send that text unless they’ve already exhausted everything else. Let’s talk about that feeling. What’s Actually Happening to You […]

How Private Equity Has Been Shaping the Industry (and How to Navigate It)

My family tries to live as holistically as possible. We make a lot of our own food and stay away from things that are heavily processed and have a lot of additives, preservatives, and common allergens. That means we like to buy snacks from independent brands that are transparent about their recipes, and 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 whole atmosphere onboard.” — Manuel Retana, NASA Project Manager, ECLSS Artemis II | University of Nevada, Reno, April 2026 A NASA engineer who spent five years building the life support system on the Artemis II spacecraft name-dropped […]

Beyond Design: The 3 Pillars of Data Analysis for VRF Systems

Communication is Key

So You Want to Service VRF?

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HVAC Condensate Drain Troubleshooting: Traps, Vents & Static Pressure

Refrigerant Leak Detection Tips

VRV Service Call: Solving the J2 Error Code with Roman Baugh

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The Deep End with Roman Baugh: Live Call, Grounded Compressor, Mitsubishi Mini-Split

In this short podcast, Roman Baugh takes over with his new series, “The Deep End,” where he shares tech support conversations. This time, Roman is on the other end of a live tech support call about a grounded compressor with an existing Mitsubishi mini-split (Mr. Slim heat pump). The unit in this case had […]

The Vacuum Deep Dive: Microns, Moisture, and Molecular Science

In this action-packed live stream episode of HVAC School, host Bryan is joined by Eric Kaiser, Ty Branaman, and Roman Baugh for a continuation of a deep-dive conversation on vacuum practices — picking up where a previous episode left off with Andrew Greaves and Jim Bergmann. The team sets out to both reinforce the […]

Cold Climate Evacuation Livestream – Pandora’s Box

In this long-awaited live episode of HVAC School, host Bryan Orr reunites with three industry veterans — Jim Bergmann of measureQuick, Roman Baugh (Kalos), and Andrew Greaves of NAVAC — to tackle one of the most pressing and underaddressed challenges in modern HVAC: performing refrigerant recovery and system evacuation in extreme cold-weather conditions. The […]

Troubleshooting Inverter Boards

Let's talk about the magic that is inverters and how to test the boards that drive this technology. Inverters play an extremely important role in household appliances, industrial machinery, and the rising popularity of household HVAC systems. Inverters consist of a wide variety of electronic circuitry, and there are many situations in which they need […]

Pull The Condenser Top

The photo above is from a video one of my techs took of proper condenser cleaning. I must say, he did a GREAT job of cleaning the coil, and he was very careful with the top. However, I STILL would have liked to see him pull the condenser top completely during a full maintenance procedure. […]

False Alarms: The Legacy of Phosgene Gas

We’ve all been in the unenviable position of unsweating a compressor and getting blasted in the eyes with a waft of gas that smells like burning sulfur from the pits of Hades. As we stagger back, covering our noses and holding our breaths, memories of the phrase “phosphene gas” from trade school or World War […]

Purge Your Hoses

The title says it all. It should be one of the first things you learn when you started. However, I have seen a lot of experienced techs who seldom (if ever) do it. When connecting to a tank, purge your hose by cracking the center connection at the manifold for a second. When connecting to […]