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May 2020
Best Refirgerant Recovery Techniques
Refrigerant recovery in the HVACR trade began with the Environmental Protection Agency’s (EPA) Clean Air Act Section 608 program in 1993. Since that time in the mid90s, various methods, connection techniques and equipment have become available on the market to facilitate refrigerant recovery in the ?eld.
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May 2020
Killing Airborne Pathogens with Ultraviolet Germicidal Irradiation
Like other infectious disease outbreaks, the COVID-19 pandemic has renewed the search for ways to reduce contagious airborne pathogens.
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May 2020
Advantages of Water-Source Heat Pumps in Commercial HVAC Systems
HVAC accounts for approximately 35% of the electricity used in a commercial building. For many cities, buildings are responsible for the majority of greenhouse gas (GHG) emissions.
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May 2020
Leading Off: COVID-19: The Obvious and Obscure
First, let me say the opinions that I express here are mine. I am not a virologist or an epidemiologist. If you want to know more about COVID-19 and HVACR practices, there is a wealth of information available. Two speci?c documents I like are REHVA COVID-19 guidance document, March 17, 2020, and ASHRAE Position on Airborne Infectious Diseases.
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Apr 2020
Last Word: Starting New with a Career
In many conversations with new tradesmen in the ?eld, I’ve come to learn the challenges they see being new to the industry. Employers hire new personnel with a particular need in mind. The problem is they typically fail to promote those employees and discouraged employees leave the trade outright.
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Apr 2020
AHR: More Than Just the Show
This year’s AHR Expo was a full circle learning experience for me as I learned new things before the show, during the show, and after the show.
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Apr 2020
Heating Up: Dealing with COVID-19
While I am writing this, the U.S. and the rest of the world are consumed with dealing with the fallout from the Coronavirus or COVID-19. This is mindboggling. The number of con? rmed cases in Illinois has increased by 50% in a single day.
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Apr 2020
The Rise of R-290 in U.S. Commercial Retail Refrigeration
With the ever-increasing popularity of commercial refrigeration in the early to mid-20th century, chlorinated refrigerants emerged as king of the realm, evolving from the introduction of R-12 in the 1930s through the development of R-22 and R-502 in the 1960s.
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Apr 2020
AHR Expo 2020: What Comes Next
If you want to get a handle on what’s coming next in the world of HVACR there is no better place to do it than the AHR Expo. Though trends come in waves over the span of years the industry moves ever forward by embracing new technology and ideas.
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Apr 2020
Maintaining and Troubleshooting VRF Systems
When you service and troubleshoot variable refrigerant fl ow (VRF) systems, you’re onsite to ensure the equipment consistently gives your customer the best comfort and performance possible.
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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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