For a centrifugal chiller to operate efficiently with higher leaving chilled-water temperature, certain features are required, which may not be standard on many chillers unless specified. To understand the importance of these features, it is necessary to understand the thermodynamics of lift and its relationship to chiller performance. This will facilitate proper chiller selection for process-cooling applications with low-lift conditions.
In addition to the Cooling Showcase commercial product grid, The NEWS is featuring the industry’s latest commercial cooling products in this photo feature. The manufacturers provided The NEWS with the brief descriptions of features included with each product.
HVACR contractors have been telling themselves that to be truly successful, the brand they need to sell is really their own company. Some contractors and manufacturers have started putting their money where their mouths are, by putting the contracting company’s name on equipment provided under a private label agreement.
Staff Sergeant Sue Preiss learned that
she would soon be leaving to spend six
months in Iraq. To dazzle her upon her return, her family join
forces with some furniture stores, a flooring company, a paint supplier, and
plenty of folks in the HVAC and plumbing and mechanical industry to update their home.
More
and more communication in our world is happening via e-mail. It’s getting to
the point that actually talking to people is becoming obsolete. But
HVAC sales are still personal sales that require a personal approach.
Our grandparents may have been the first to demand
customization when they started buying automobiles, but Boomers were the first
to make it the foundation of a mega-consumption lifestyle.
When the first costs of a basic, no-frills HVACR system is
compared with the costs for a more efficient and environmentally correct
system, the basic will often still be picked. But at last that may be changing.
A number of states
are now engaging in various legislative efforts to help stem the tide of copper thefts. This article describes some of those efforts.
Believe it or not, they gave the stage to Mark Breslin more
than once. Even though he was not necessarily kind in his remarks concerning
unions, contractors, labor, and management, organizers of the 2008 Partners
in Progress Conference had him sit in on the regional breakout
sessions and report back to the general assembly.
Every consumer has their price and value limit. According to an industry survey, 52 percent would replace their system when repairs reach $1,500; 78 percent would replace when repairs reach $3,000; and 88 percent would replace when repairs reach $5,000. Information about such consumer preferences from a recent survey will be helpful to contractors looking for a competitive edge.
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