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Refrigerants & Reclaim

DOE Issues Commercial Refrigeration Standards

Refrigeration Equipment Comes Under Review

For service technicians and contractors, the key is to be aware of next-generation equipment coming down the road, any differing servicing techniques that might be required, and the fact that like-for-like equipment may not be easily changed out, even if a customer requests it. 


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The Professor: Don’t Forget About the Oil Check Valve

Dealing With Startup and System Problems

An overview of the oil check valve, which will only let oil pass from the compressor’s motor barrel to its crankcase.


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Efficiency and Cost Concerns Drive Refrigeration Innovations

Technical Papers Examine New Ways to Work with Familiar Refrigerant

When hundreds of ammonia refrigeration engineers, manufacturers, contractors, and end users gather in one place, technical talk is sure to follow.


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Ice Breaker: Gauging the Importance of the Service Ticket

Written Documentation an Important Part of Call

Techs may not see the importance of the service ticket, but they should, since it can be an accurate reflection of him and his work. 


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The Business of Refrigeration Is Global in Nature

Refrigerants, Carbon Credits, GreenChill Draw Interest

Beyond making refrigeration equipment and refrigerant gases, manufacturers of such products are also involved in developments within the industry that show global sweep. Here are several recent announcements involving manufacturers familiar to contractors and service technicians.


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Proper Maintenance of a Recovery Unit

Daily Care Ensures Longer Equipment Life

This article, the second in a series, features important maintenance considerations in order to keep a refrigerant recovery unit operating properly. 


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The NEWS, Honeywell to Host Free R-22 Webinar

Separate R-22 Facts from Fiction During June 3 Webinar

This webinar will help contractors decipher fact from fiction when it comes to R-22. 


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Project Files: Norwegian Supermarket Goes Green

The goal of the project was to provide energy-efficient HVAC solutions that reduce the client’s energy costs while providing flexible cooling/heating options to a multi-tenant/multiuse facility.


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The Professor: Troubleshooting Using Compressor Discharge Temp

Checking Over an Often Overlooked Aspect of Servicing

The compressor’s discharge line temperature is important because it is an indication of the amount of heat absorbed in the evaporator and suction line and any heat of compression generated by the compression process.


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Ice Breaker: Brazing and Soldering Procedures Need Care

Tips for Working Safely with Torches

Refrigeration technicians need to use extreme care when working with torches during the brazing and soldering process. The flames of a torch can easily reach 3,000°F. At this temperature, serious damage can be the result of misuse and carelessness.


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2014 SMACNA Annual Convention

Views from the 2014 SMACNA Annual Convention in San Antonio.

Podcasts

NEWSMakers: Chris Mathis

Chris Mathis, president of Mathis Consulting Co. and vice chair of ASHRAE’s residential ad hoc committee, talks about ASHRAE’s exploration into the residential market. Posted on Oct. 17.

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2014 October 20

Check out the weekly edition of The NEWS today!

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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HVACR INDUSTRY STORE

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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