Dec 2021
Troubleshooting: The New Package Unit Will Not Start
The troubleshooting problem for this month involves a renovation project at a typical gymnasium that is used for basketball, volleyball, and occasionally is used for special events.
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Dec 2021
Last Word: Necessary Changes
As you no doubt have read in this month’s Heating Up the magazine that you are reading is going on an “adaptive pause” to determine where to go next. I have been a part of the magazine for a long time and I fully support thus decision for the good of the company and RSES Journal.
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Dec 2021
Heating Up: Adaptive Pause
This was an extremely difficult decision, but a necessary one. Much of our precious time spent at HQ over this past year has been reactive responses to what is happening in the marketplace rather than focusing on what can be—potential.
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Dec 2021
Leading Off: The Next Generation
Greetings from your new RSES International President. I’m excited to be leading after being a Member of RSES for more than 40 years, although it doesn’t seem possible that it’s been that long. I’m humbled at the big shoes that I have to fill, of some of my predecessors in this position that I hold in high esteem. Most of them have passed on, but some are still with us.
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Dec 2021
The Art of System Troubleshooting
Let's face it, there are many effective approaches to troubleshooting air conditioning and refrigeration systems. This article does not attempt to provide some step-by step procedure for this purpose. Instead, it describes basic measurements the service technician should take and how to interpret them.
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Dec 2021
A2L Servicing Best Practices
HVACR service technicians find themselves at the forefront of the refrigerant transition in AC and commercial refrigeration. As hydrofluorocarbon (HFC) refrigerants with high-global warming potential (GWP) are being phased down, mildly flammable A2L refrigerants have been identified as potential lower-GWP alternatives.
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Dec 2021
The Ever-Changing Tools of the Trade
The HVACR industry has been around for more than 100 years. Yet one constant remains, those that work in the industry need tools in order to get the job done. Tools are what separate the theoretical technicians from those that work in the field. While the need for tools remains constant, the tools themselves are always changing.
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Dec 2021
Bringing the RSES Legacy in the Future
Sometimes you have to seek out your own destiny and other times your destiny finds you. For Ray Clary, CMS becoming RSES International President was in his blood. Having grown up around the world of HVACR and RSES taking on the role of International President is a natural fit.
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Nov 2021
DOE 2023 SEER Standard
What is SEER? Seasonal Energy Efficiency Ratio (SEER) is an energy efficiency ratio defined as the total heat removed from the conditioned space during the annual cooling season divided by the total electrical energy consumed by the system during the same period.
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Nov 2021
The Growing Popularity of Transcritical C02 Refrigeration Systems
This brief article will touch on the growing popularity of transcritical CO2 (TCCO2) refrigeration systems. While we cannot cover all aspects of these systems in a shirt article, we will focus on market trends, market drivers, attributes of TCCO2 systems, the total cost of ownership terms and heat recovery.
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