The HVACR Training Authority™

Digital Edition

Check out the latest issue of RSES Journal for features including: The Fundamentals of Leak Testing, The Great Debate in Replacement Parts, Contractor Tips for ERV Installation and more. All inside your June 2021 RSES Journal issue.



Calendar of Events


IIAR 2021


Refri Americas

Featured Product

Understanding Radiant Systems

Understanding Radiant Systems



Society & Industry News

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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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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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.

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The Great Debate in Replacement Parts

ONE OF THE BIGGEST CHALLENGES for HVAC contractors is that there is never enough time in the day for the work that needs to be done. In the world of HVAC, time is a valuable commodity. If a piece of equipment stops working or is not performing as it should, homeowners and businesses need the repair or replacement to happen as soon as possible.This means having the right part on-hand so the fix can happen as quickly as possible.

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RSES Observes Memorial Day 2021

In observance of Memorial Day, RSES will be closed on Monday, May 31, 2021.

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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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