Featured Stories

GSA Studies Maglev Chiller Efficiency

Federal Program Recommends Variable-Speed Maglev Technology for Chiller Replacement
By Kimberly Schwartz
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Because the recommendation is only for end-of-life replacement, the hope is that implementing this technology will result in a gradual greening of chillers across GSA’s facilities. 


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Facts + Figures: Air-Source Heat Pump Shipments Up Nearly 28 Percent in February

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Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.  


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New Equipment Just in Time for Summer

Comfort and Higher Efficiencies are Hallmarks of Commercial Products
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It’s time again for the Commercial Cooling Showcase. The NEWS’ annual issue has traditionally introduced the latest air conditioning units available for the upcoming summer season. The intent is to help contractors prepare for this busy period by doing the research that will help them distinguish between brands.


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Contractors Capitalizing on Growing Modular Market

Prefabricated Products Improve Quality, Reduce Need for Skilled Labor
By Joanna R. Turpin
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Modular solutions help contractors and manufacturers address the lack of skilled labor in the HVAC industry,


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Court Accepts Regional Efficiency Standards Settlement

Regional Standards Lawsuit Officially Ends with Court’s Approval
By Jen Anesi
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The court’s order ends the lawsuit and represents a great victory for the industry organizations that were involved in developing the final settlement agreement. 


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The Professor: Troubleshooting Using Compressor Discharge Temp

Checking Over an Often Overlooked Aspect of Servicing
By John Tomczyk
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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
By Joe Marchese
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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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Johnson Controls Acquires Air Distribution Technologies

Company Looks to Expand in Building Space in $1.6 Billion Deal
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Within the Johnson Controls portfolio, ADTI will be aligned under the building efficiency platform, where it will operate with its own brands, distribution channels, and employees. 


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Efficiency, Cost Concerns Drive Refrigeration Innovations

Technical Papers Examine New Ways to Work with Familiar Refrigerant
By Peter Powell
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When hundreds of ammonia refrigeration engineers, manufacturers, contractors, and end users gather in one place, technical talk is sure to follow. Such was the case at the most recent International Institute of Ammonia Refrigeration Conference in Nashville, Tenn.


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Newly Designed Ductless Products

A Contracting Quick-Reference Guide to Ductless Equipment
By Angela D. Harris
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This quick reference includes equipment and component photos along with product descriptions and specifications. 


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NEWSMakers: Jeremy Begley

Jeremy Begley, home-performance specialist and Web and social media manager with National Heating and Air Conditioning Co. in Cincinnati discusses how and why you should add home-performance philosophies to your contracting repertoire. Posted on Sept. 12.

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