Extra Edition

Energy Efficiency Pays

Most energy-efficient homes have dozens of little improvements that individually add little to construction costs, yet together yield big savings.
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Btu Buddy 19: Compressor With Low Oil Level

In this installment of the Btu Buddy series, Bob encounters a compressor with very low oil level. Btu Buddy explains that the low oil level is a normal function of this system for this time of year.
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Benefits Of Ultrasonic Testing In Determining Pipe Corrosion

While improvements in instrumentation have moved ultrasonic testing technology into more areas, its benefits to facility managers, plant engineers, and technicians as a diagnostic and predictive tool are still widely unknown and underutilized.
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The Positive Power Of Negative Preparation

Being a positive thinker does not mean that you should refuse to acknowledge the way things are. The true positive thinker acknowledges potential and existing negative circumstances and reactions, and engineers a plan to overcome them, to achieve positive results.
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Ammonia: It Smells Like A Safety Challenge

For nearly two centuries ammonia has been used as a refrigerant. Its drawback is that in quantities much larger than a "sniff" it is poisonous. With proper precautions, however, the benefits of ammonia are compelling.
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Hot Topics, Cool Solutions 8: Staying Focused, And More

I come to work with dozens and dozens of things on my to-do list. And then life hits me as I enter the door and my to-do list is forgotten. What should I do to stay focused?
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Understanding Heat Pump Sequence Of Operation

In order to service and troubleshoot an air-source heat pump system, a service technician must understand the unit's sequence of operation. Where the system varies from its normal sequence is a major clue to any problems.
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HUD Web Tool Helps Improve Home Energy Efficiency

The U.S. Department of Housing and Urban Development (HUD) recently launched the Energy Efficient Rehab Advisor, a free Web-based tool designed to help homeowners, contractors, architects, facility managers, and others to improve energy efficiency in existing homes during renovation and remodeling.
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Btu Buddy 18: Compressor With Refrigerant Flooding Back

In this edition of the Btu Buddy series, Bob works on a system that is not cooling properly and finds that refrigerant is flooding back to the compressor. Btu Buddy aids in pinpointing and curing the problem.
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How To Get Feedback That Benefits Your Business

The best way to evaluate how your business is doing is to gather feedback from your customers and employees. Here are some pointers that will help you get the feedback you need to improve your business.
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2014 SMACNA Annual Convention

Views from the 2014 SMACNA Annual Convention in San Antonio.

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NEWSMakers: Chris Mathis

Chris Mathis, president of Mathis Consulting Co. and vice chair of ASHRAE’s residential ad hoc committee, talks about ASHRAE’s exploration into the residential market. Posted on Oct. 17.

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2014 October 27

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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2015 National Plumbing & HVAC Estimator

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

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