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May 2021
Multiply Refrigeration Advantages with Multiplex System Design
Over the past several years, the drivers
impacting the choice of refrigeration systems
used in supermarket and restaurant applications
have evolved significantly.
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May 2021
Last Word: The Importance of Community
In this month’s issue, RSES International President Mike Ralston, CM went into detail on how to put together an RSES Chapter. It is a great piece that highlights the hard work that goes into running a Chapter smoothly. What I want to talk about is the other side of that coin: why Chapters and a sense of community is important to RSES and should be important to you as an HVACR professional.
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Apr 2021
Heat Pumps Helping to Decarbonize the Residential Buildings Sector
To achieve deep decarbonization, buildings
must address both electrical and direct
fossil fuel combustion.
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Apr 2021
Know the Basics of Electrical Wiring Diagrams
One of the ultimate goals
of heating, ventilation, air
conditioning and refrigeration
service technicians is to accurately
troubleshoot malfunctioning HVACR
systems.
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Apr 2021
2021 Refrigerant Rulemaking
THE REGULATION OF REFRIGERANTS continues
to be a source of great uncertainty in the
commercial refrigeration industry. At the
heart of this issue is the potential for
carbon emissions from hydrofluorocarbon
(HFC) refrigerants and their collective
contribution to climate change.
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Apr 2021
Troubleshooting: Too Young to Die
We had a compressor fail that was just seven years
old. Some people would say “that is an old compressor,”
however, for this application, it is not.
Refrigeration compressors should give many years of service
unless there are unusual circumstances. A brief description
of the system follows.
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Apr 2021
Training Corner: Refrigerant Manufacturer Looks to the Future with Webinar Series
Every year the refrigerant landscape
changes with new rules and regulations.
Every day HVACR techs find
themselves in the field tackling jobs that
require them to not only be aware of proper
regulations but also use them correctly.
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Apr 2021
Last Word: The Change Necessary to Evolve
Itook the back page this month to stretch my verbal legs
a bit. I have a few big announcements that I realize are
better suited for the front of the issue, but sometimes
space constraints in magazine production terms have the
final say—and so this month, so do I.
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Apr 2021
Leading Off: Something in the Air
If you saw EVP Lori Schiavo’s article in the March issue of the RSES Journal, you know that there was a high level of carbon monoxide in the office in February. The reading that the gas company representative got was 50 ppm. In doing some research for this article, I found varying opinions on what levels are CO exposures are acceptable. None of them say that 50 ppm are good for long periods of time.
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Mar 2021
Cast Iron: When, Where, and Why?
The internet has changed every aspect of the way we live.
More and more people are doing their shopping on the
internet; need shampoo, order online; need laundry detergent,
order online. How does it affect the HVAC and
plumbing industry?
Read More
RSES is the leading education, training and certification preparation organization for HVACR professionals. RSES publishes various comprehensive industry training and reference materials in addition to delivering superior educational programs designed to benefit HVACR professionals at every stage of their careers through instructor-led training courses, online training for HVAC, educational seminars, interactive CD and DVD products, industry-related reference manuals, and helpful technical content through Service Application Manual chapters, the RSES Journal, the RSES Journal archives and feature articles, as well as web-exclusive features.
Beginning with basic theory and extending to complex troubleshooting, training courses covering refrigeration and air conditioning, heating, electricity, controls, heat pumps and safety may be conducted in a classroom environment or though self study. RSES publications may be purchased by schools, contractors, manufacturers or any other industry group wanting to conduct comprehensive training programs. Seminars covering air conditioning troubleshooting, electrical troubleshooting, compressor training, condenser training, refrigerant piping practices, DDC controls, and more are held in various cities across North America.
Select training programs offer Continuing Education Units (CEUs) and NATE Continuing Education Hours (CEHs).
In addition, RSES offers industry certification preparation materials for refrigerant handling (EPA Section 608), R-410A and North American Technician Excellence (NATE) examinations.
RSES’ monthly magazine, RSES Journal, serves HVAC contractors, service technicians, students, operations/maintenance managers, engineers and technicians who work in the residential, light commercial, commercial and institutional markets on air conditioning, warm-air heating, refrigeration, ventilation, electrical, ice machines, chillers, hydronic heating, piping, refrigeration control and energy management, building automation, indoor air quality and duct cleaning, and sheet metal fabrication equipment and/or systems.
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