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The most important sound for International Institute of Ammonia Refrigeration (IIAR) Ammonia Refrigeration Conference & Trade Show conference attendees were words spoken at business and committee meetings, in technical presentations, and at workshops and panel discussions.

Besides renovations, “This Old House” on public television is also a show to take note of some interesting and unique technologies.

A new legislative proposal to promote energy-efficiency improvements to residential and commercial appliances and equipment, such as central air conditioning, will have the adverse effect of hindering the development and use of energy-efficient technology, warned Air-Conditioning and Refrigeration Institute (ARI) President Stephen Yurek.

While the pool of skilled workers diminishes, the need for them continues to grow. Johnson Controls realized it needed to take action that would have to go beyond recruitment. The end result: CareerConnect.

The NEWS has been following the educational path of 24-year-old first-year HVACR student Brad Bartz since he stepped into Ranken Technical College in St. Louis last fall. This is the second in a series of periodic reports on Bartz’s career path progress.

Food Lion LLC, one of the largest supermarket companies in the United States, is currently working with Hill Phoenix, a designer and manufacturer of commercial refrigeration systems, to test and evaluate new refrigeration technologies that are said to be kinder to the environment and offer better sustainability benefits.

This article deals with head pressure control valves that work in conjunction with one another in cold ambient conditions. They keep the proper condensing pressure at the metering device for proper feeding of the evaporator.

The correct placement and installation of a thermostatic expansion valve’s (TXV’s) sensing bulb is important to its overall performance and reliability. An incorrectly installed or placed sensing bulb can lead to two major system problems.

Coding systems that can easily be read by a scanner are common today, but it still is not true in the HVACR industry. The NEWS interviewed several wholesalers and contractors (and spoke informally to a number of others) to find out why our industry is not up to speed with the swift scans of supermarkets and highways.

Refrigeration systems that have compressors and conventional refrigerants are widely used. But issues over what refrigerants of the future might look like are causing some in the industry to look at ways to create cooling with an alternative to compressor-type designs.