Jack Sine

Jack Sine

Jack Sine is a freelance writer specializing in HVAC, green building, and IAQ issues. He can be reached at jack.sine@verizon.net or at 845-831-6578.

ARTICLES

For Comfort Systems, the ‘V’ in HVAC Stands for Veterans

Commercial Contracting Company Finding Success in Employing Military Workers

While a shortage of competent HVAC technicians has plagued the industry for more than a decade, one national contractor has uncovered a very effective way to fill that void.


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How to Minimize HVAC Customer Callbacks

Discipline and New Technology Help HVAC Contractors Prevent Errors

What is a super tech? A super tech is one who eats, sleeps, and breathes HVAC. He may be a contractor, manager, or technician, but, above all, he is a perfectionist. And his greatest enemy is the callback.


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CHP Gaining Widespread Interest

Reduced Costs, Accurate Metering, and Freedom from the Grid are Key

As long as accurate measurements are included, CHP adds up to a win-win for most everyone involved.


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Wireless Instruments Increase Accuracy, Streamline Service

Do It Better and Shorten Time on the Job

Successful contractors are always looking for ways to be more efficient and do a better job. Using wireless instruments to take all measurements simultaneously can make the job easier and better, resulting in quicker, more accurate diagnoses and a system that’s optimized for peak performance. 


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Variable-Speed Pumps Reduce Energy Use

Ultrasonic Flow Meters are Key to Controlling Energy Management

WM Group recently helped a large New Jersey pharmaceutical company save nearly $400,000 per year in energy costs by upgrading the chiller system at its 100-acre research and development campus.


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Variable-Speed Pumps Reduce Energy Use

Ultrasonic Flow Meters are Key to Controlling Energy Management
Hemant Mehta’s WMGroup must be doing something right because his team has been fine-tuning HVAC systems for the same major New Jersey pharmaceutical company since 1984. The latest improvement involved the upgrading of the chiller systems at the company’s 100-acre research and development campus.


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Seasonal Tune-Ups Help Minimize Problems

Most people schedule a preseason tune-up for their air conditioning system before the hot weather starts. If they did the same for their furnaces before the heating season, this complaint could be prevented. 


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Wisconsin School District Fights IAQ Problems

Two of the most common sources for poor IAQ are mold and bacteria and Jon Zickermann knew he had a problem with both. As director of maintenance and operations at the Mequon-Thiensville School District in Wisconsin, he had the responsibility to protect the health and quality of life for students and faculty in six schools.
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The Right Stuff for Use in the Field

Often called “tools of the trade,” the instruments and tools a technician has in his bag are almost as important to him as his expertise. If one of his tools fails or is inaccurate, it can really ruin his day and do damage to his employer’s business. In the case of Warren Brader and his crew, lives could literally hang in the balance.
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How to Get Accurate Measurements

While accurate superheat and subcooling measurements have always been important, the push for higher SEER ratings has added importance to operating efficiency. That efficiency can be maintained with precise superheat and subcooling measurements.
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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

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NEWSMakers: Cynthia Hutson

Cynthia Hutson, chairperson of ACCA of Central Ohio, talks about the organization’s Heat the Town events, the importance of carbon monoxide checks, and what is coming up for ACCA. Posted on Nov. 21.

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2014 November 24

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R-22 SUPPLIES

Now that EPA has finalized its R-22 phaseout plan, with a large drop in 2015, do you think there will be an adequate supply next year?
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