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Refrigerant 4-1-1
  In the May 19, 2011 Issue:
What Do You Expect from an HVACR Grad?
Tecumseh Developing Hydrocarbon Compressors
RSES to Present Natural Refrigerants Seminar
GreenChill Now in 50 States
First CO2 System for Ice Rinks Installed in Quebec
Comstar to Begin Manufacture of R441a Compressors

Sounding Board by Terry McIver
What Do You Expect from an HVACR Grad?
by Terry McIver, executive editor

As the HVACR industry continues in its mission to grow the ranks of qualified technicians, it’s essential that students — your future technicians— are learning what they need to, for a good start on Day 1. Recently, a California HVACR instructor took a survey of contractors, to learn the minimum requirements they expect from a graduate. Here's the list...

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Field Notes
Tecumseh Developing Hydrocarbon Compressors

Tecumseh reports it is focused on developing compressors that use hydrocarbon refrigerants R290 (propane) and R600a (isobutane).

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RSES to Present Natural Refrigerants Seminar

A June 4 seminar in Syracuse, NY from Refrigeration Service Engineers Society is designed to provide HVACR professionals with an overview of the use of natural refrigerants — with a focus on carbon dioxide — throughout the industry.

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GreenChill Now in 50 States

The EPA GreenChill program is not represented by supermarket members in every state.

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First CO2 System for Ice Rinks Installed in Quebec

What is being hailed as the first totally CO2 refrigeration system for an ice skating rink has been installed at the Marcel-Dutil arena in Saint-Gédéon de Beauce, Quebec, Canada.

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Comstar to Begin Manufacture of R441a Compressors

HVACR chemical manufacturer ComStar International Inc. and its China JV company, will begin offering appliance and air conditioning compressors in the U.S. and overseas markets for use with the patented and U.S. EPA-approved blended-hydrocarbon refrigerant, R441a (HCR188C), manufactured by A.S. Trust & Holdings.

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Today's Refrigerant 4-1-1 Brought To You By    
• Ritchie Engineering Company, Inc.

• RemTec International


Video
Yellow Jacket Recovery Techniques
This clip provides an in-depth look at the Vapor recovery process and addresses proper set-up of equipment.
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Refrigeration Service Today appears as a monthly section in every issue of Contracting Business. Click the RST logo to access the Refrigeration section of Contracting Business.
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