The Benefits And Limitations Of Corrosion Coupons

April 17, 2004
An estimated one sixth of all steel production worldwide is used to replace corroded metal - much of it at cooling and process water piping systems. This article details the benefits and drawbacks of using corrosion coupons.
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Commissioning: Quality Assurance For The Bottom Line

March 31, 2004
Commissioning starts by preventing errors in the most critical, early stages: planning and design. After the ground is broken, the process checks for correct installation and start-up. Only the next two stages, functional and performance testing, check for incorrect operation.
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Profits And Protection: The Benefits Of Surge Protection

March 19, 2004
What is the homeowner's No. 1 complaint regarding his HVAC system? It's downtime. What is the No. 1 cause of downtime? Other than poor maintenance or old age of the equipment, the leading cause is power quality.
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VFD Electronic Bypass Benefits

March 5, 2004
A VFD bypass assures the customer uninterruptible operation with their HVAC system - the ability to keep their fans and pump running at all times - even if the drive is taken out of the loop for whatever reason.
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Indications Without Insight Aren't Really Indications At All

February 21, 2004
Moisture indicators on HVACR systems have been billed as critical early-warning components in the fight to cut the long-term effects of water damage and reduce repair and maintenance costs. But do they truly live up to their billing?
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Compressor Reliability

February 7, 2004
The heart of both an electric refrigerator and an air conditioner is the compressor, its most costly component. No other electromechanical device comes close to the reliability of the semi-hermetic or fully hermetic compressor.
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An Overview Of Building Diagnostics

January 23, 2004
Building diagnostics is a practical methodology that enables HVAC professionals to verify and document to customers that installed systems are meeting defined performance criteria, or, if the criteria are not being met, to indicate that interventions are needed to regain performance.
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Superheat And Subcooling Made Simple

January 11, 2004
The purpose of this article is to provide a simple explanation of these terms for those who desire a concise understanding as well as a review for those who understand the terms but want to take another look.
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Hydronic System Keeps Native American College Warm

December 29, 2003
For this design/build project, the tribe's architectural firm convinced college officials that a LoadMatch hydronic system would not cost much more than the all-air system they originally called for, and would be more comfortable and reliable in its delivery of Btu.
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The Advantages Of Cogeneration And Trigeneration

December 13, 2003
Owners of commercial buildings and commercial businesses are increasingly seeking ways to use energy more efficiently. Two ways to optimize fuel and electrical savings are through the use of cogeneration and trigeneration.
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2014 ACI Home Performance Conference

The 2014 ACI National Home Performance Conference & Trade Show was held in Detroit.


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2014 July 7

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Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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