In the compressor sector, recips, rotaries, scrolls, screws, and centrifugals continue to jockey for position and expanded acceptance in wider and wider ranges of HVACR applications. Most all had their advocates and new versions of all types at the 2008 AHR Expo.
When talking about compressors, it might be appropriate to use NASCAR terminology. Reciprocating compressors are still in the lead, rotaries are holding onto second place, but scrolls are third and starting to make their move. Screw compressors are sitting in fourth, and centrifugals are trailing in fifth.
IT equipment needs to operate in a narrow temperature range. Today, an added issue at data centers is cooling efficiency. A white paper from Emerson Network Power provides five strategies for cutting data center energy costs through enhanced efficiency.
If concerns by end users and contractors in specifying and installing equipment running on R-410A relate to a fear of the unknown, that should not be the case, say those involved in the development of the equipment. R-410A-related technologies are readily available, as are the technical details to help end users specify such equipment, as well as training programs to help contractors.
In the midst of Chapter 11 proceedings and company reorganization, Fedders Corp. of Liberty Corners, N.J., has sold its residential HVAC business - including the Fedders, Air Temp, and Emerson Quiet Kool brands - to Airwell Air Conditioning BV of Guyancourt, France, for approximately $13.25 million.
It did not take long for Butch Welsch to respond. “Steel prices,” answered the owner of Welsch Heating and Cooling, without hesitation. “I can’t believe how much it has gone up.” The St. Louis-area contractor purchases steel to fabricate its own rectangular ductwork and fittings. The jump in price from mid-December 2007 to February 2008 was 28 percent.
Positive thinking and a strong business plan can go a long way to mitigating the effects of a slowing economy. That was the message of marketing wiz, Adams Hudson, Hudson Ink, Montgomery, Ala., at the recent Air Conditioning Contractors of America (ACCA) meeting.
When Baby Boomers buy any product, we instinctively believe it will perform its designed function. We assume our physical requirements will be met. What our subconscious minds are desperately seeking is people and products that will satisfy our emotional needs.
At the Mechanical Contractors Association of America (MCAA) convention, in a format resembling the ESPN SportsCenter show, the MCAA AwardsCenter honored members for exceptional safety performance, welcomed two new affiliated associations, chartered four new student chapters, and celebrated the winner of the 2007-08 Student Chapter Competition.
Some of the largest banks in the United States have warned that the turmoil surrounding subprime mortgages could be the start of a sweeping lending crisis. The result may be that fewer banks and lending institutions are willing to extend credit, which could be a concern to those homeowners looking to obtain financing for a new heating or cooling system.
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