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Aug 2021
Troubleshooting: A Tale of Two Temperatures
A couple of years ago, our company
picked up a new account. The
client was a typical refrigerated
warehouse that was used to servicing
retail convenience stores and small
supermarkets.
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Jul 2021
The Importance of Condensing Unit Maintenance
Maintenance in condensing units involves
many different aspects because of the series of components that
require checking and cleaning. Each technician will have their
personal working methods in the field.
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Jul 2021
Part 1: Fundamentals of Electricity
The dictionary defines “electronics”
as “a branch of physics that deals
with the emission, behavior, and
effect of electrons, especially
in vacuum tubes, photoelectric
cells, and solid-state devices.”
The aim of this feature is to help readers
become more familiar with the basic concepts
of electronics, especially as used in
the HVACR industry.
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Jul 2021
Leading Off: RSES Helps Build Better Technicians
It should not be a big surprise to you that all of the trades, including HVACR are experiencing a technician shortage. Instead of just complaining about it, RSES Regions 8 & 11 Director Brynn Cooksey, CMS, RCT is doing something about it. Brynn could not hire enough qualified technicians, so he developed an internal training program, and got it approved by the Michigan Department of Labor as a registered apprenticeship program (see pg. 35).
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Jul 2021
Troubleshooting: More Learning on Gas Defrost Systems
I have been installing and servicing supermarket units for more than 15 years. Rarely do I have a service problem come up that causes my fellow techs and I to have to dig real deep to find the solution.
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Jul 2021
Air Treatment Requirements for Indoor Grow Operations
RSES and RSES Journal recognize that grow operations are not legal in all areas of the world. Since the author resides in Canada and RSES Journal is distributed to RSES Canada Member, where grow operations are legal, both organizations want it to be known that this article is being published for informational purposes only and it is not meant to be a legal guide into any aspect of grow operations. RSES, RSES Journal, Danfoss and their respective affiliates cannot be held accountable for individual actions of readers that occur as a result of publishing this information. Any HVACR industry professional interested in pursuing this marketplace is responsible for ensuring they are doing so within the legal parameters of the city in which they operate.
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Jul 2021
Last Word: Don't Let the Heat Get to You
It is getting very hot out there. Right now, we’re in the thick of summer and cooling season is in full swing. The irony of that is while customer comfort is top priority the technician that is usually in extreme heat conditions while installing or repairing air-conditioning units. This can lead to things like heat stroke and other heat-related illnesses that could be very dangerous.
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Jun 2021
Electrical Checks that Should be Done with Preventive Maintenance
Having plant equipment up and running at maximum efficiency is the main goal of maintenance teams. Running with minimum unplanned down time requires limiting reactive maintenance by starting a program that looks at preventive maintenance, predictive maintenance and proactive maintenance. The first step is knowing which one you need, and how these different types of programs work together.
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Jun 2021
Contractor Tips for ERV Installation
CHOOSING THE APPROPRIATE SIZES, functions
and taking into account recent innovations
can affect the installation of
residential energy recovery ventilators
(ERV).
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Jun 2021
The Fundamentals of Leak Testing
As regulations around the phasedown
of HFC refrigerants and the
push for lower-GWP alternatives
continue to drive the HVAC/R industry
issues like system installation,
maintenance and service practices
are also changing accordingly.
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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