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Home » Authors » John Vastyan

Articles by John Vastyan

domestic hot water

Higher efficiency, operational ease and comfort drive changes in circulator pumps

Technology trends in the circulator and pumps market today.
John Vastyan
April 22, 2019
No Comments

Demand for high-efficiency has spread throughout the industry, from small residential circulators to large commercial HVAC system pumps.


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Digital mixing helps Kansas City hotel achieve efficiencies

Digital mixing helps Kansas City hotel achieve efficiencies

Most hotel managers have learned through experience that their toughest, crankiest customer is an unhappy guest at midnight.
John Vastyan
March 22, 2017
No Comments

Off-peak hot water demands requires smart design approach.


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Mechanical Room

Tech Topic: Optimizing commercial hydronic system performance

Today, it's all within the realm of possibility.
John Vastyan
October 16, 2015
No Comments

More than efficiency in system flow.


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Web Exclusive Feature: EPA Tests Verify 400% Efficiency in Commercial Water Heating

John Vastyan
November 10, 2006
No Comments
The U.S. EPA has released an Environmental Technology Verification (ETV) report confirming 400% efficiency of the EarthLinked® Commercial Water Heating System, developed by ECR Technologies Inc.
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High-Efficiency Hydronics

John Vastyan
October 5, 2006
No Comments
Today, with rapidly increasing energy rates, building and facility owners are pushing the need for high-efficiency systems. In response, engineers and system designers must consider overall specifications, budget, boiler options, controls and heat distribution, because after all, a high-performance, high-efficiency system is the sum of many parts.
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It's a New Age for Hydronic System Performance

John Vastyan
April 10, 2006
No Comments
If you'd dial your transporter beam back to, say, 1991, and aim your arrival for the hydronics industry, you'd quickly find a sad and forlorn marketplace. Just 15 years ago, manufacturers were barely treading water, cranking out replacement boilers at a slower pace each year. The burgeoning new construction market wouldn't have anything to do with hydronics. It was a pretty dismal scene.
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