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Roman Baugh
Company name: Kalos Services
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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Tech Tips written:

How Do Communicating Systems Work?
By:Roman BaughBryan Orr This tech tip recaps the livestream by the same name, featuring HVAC School contributors Matt Bruner and Adam Mufich, as well as special guest Steve Cook from Hisense. You can watch that livestream on our YouTube channel HERE. We also owe special thanks to Roman Baugh, who added some extra information on […]
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R-410A Phase-Down Update
By:Adam MufichRoman BaughDon GillisBryan OrrJason ObrzutDr. Chuck AllgoodMatthew BrunerThis tech tip is an overview of the livestream by the same name, featuring HVAC School contributors Matt Bruner, Roman Baugh, and Adam Mufich, as well as special guests Don Gillis, Dr. Chuck Allgood, and Jason Obrzut. You can watch the full livestream HERE. These gents also […]
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Troubleshooting Inverter Boards
By:Roman BaughLet'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 […]
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Event speaker:

So You Want to Service VRF?
By:Roman Baugh NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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Compressor Teardown
By:Roman Baugh   NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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VRV/F Tech Talk
By:Roman Baugh
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Video guest:

Coil Corrosion w/ Kevin Hart and Bryan Orr
By:Roman BaughBryan OrrKevin Hart
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Nitrogen and Torch Use
By:Roman BaughBryan OrrNathan Orr
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Podcast guest:

Condensate Drains Install & Service
By:Luke PetersonMatthew CondronRoman BaughBryan Orr  Roman Baugh, Matthew Condron, and Luke Peterson discuss the importance of proper condensate drain installation and maintenance, particularly in commercial applications. The conversation begins with the hosts examining the typical drain configurations seen in different regional markets, highlighting the significant variations in practices across the country. Sizing and configuration […]
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Oil Return and Refrigerant Charge in VRV w/ Roman Baugh
By:Roman BaughBryan Orr  Roman Baugh joins the podcast to talk about oil return and the refrigerant charge in VRV systems. VRV systems—also known as variable refrigerant volume (or variable refrigerant flow/VRF) systems—have one outdoor unit, one or multiple compressors, and multiple indoor units. The outdoor unit modulates to meet the indoor units’ fluctuating demands. […]
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Posts Commented

Troubleshooting Inverter Boards
By:Roman BaughLet'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 […]
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Pull The Condenser Top
By:Bryan Orr 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 […]
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False Alarms: The Legacy of Phosgene Gas
By:Bryan OrrWe’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 […]
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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 […]
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