David J. Kruse assumed the office of president of the Mechanical Contractors Association of America (MCAA) during the association’s 118th convention in Orlando. The presidential gavel was passed from 2006 President Michael Cullinane to the new MCAA president during the convention’s closing session.
Change. The very word makes the pulse quicken, and that little inkling of fear stirs in the pit of your stomach. This was on the opening page of the program guide of the Mechanical Contractors Association of America (MCAA) 2007 convention. It set the stage for five days of intensive, thought-provoking discussions.
The 2007 Air Conditioning Contractors of America (ACCA) Annual Conference and Indoor Air Expo traveled to the land of Disney, where imagination is the central theme. “If you can imagine it, you can make it happen,” said Paul T. Stalknecht, ACCA president and CEO as he opened the meeting.
A retrofit reducing power consumption by 1.6 million kWh at the food processing plant of Truitt Bros. Inc., in Oregon, is resulting in annual energy savings of over $70,000 per year and a payback of less than two years.
The compressor may be the ‘heart’ of an HVACR system, but it is a constantly changing component. With the dust finally settling from the most recent AHR Expo, The NEWS decided to check in with a few manufacturers of compressor and compressor-related technologies and ask them to do a bit of crystal-ball gazing.
Hiring good HVACR technicians is one thing; keeping them interested in staying with your company is another. A contractor can’t chain down a tech who is no longer interested in staying, and pay raises are only part of the solution. Outstanding benefits are what keep outstanding field employees around, according to top HVACR contractors.
Managing energy information is key to controlling and reducing the top supermarket energy uses. There are several methods to obtain and utilize this data, but the key steps are to measure, monitor, maintain, and improve the operational systems in a facility.
It is probably safe to say that anyone who works in and around the HVACR industry knows what a scroll compressor is. It is now almost a household name. Of course, this wasn’t always the case.
More than ever before, today’s computer cooling systems are using conventional refrigeration designs. One of the newest twists involves using the thermostatic expansion valve and the compressor as control elements.
Company officials of Clement Pappas, a producer of juice and cranberry sauce, said they wanted to replace the old system to reduce inefficiencies (it was consuming approximately 250,000 kWh per month) and eliminate the use of ammonia.
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