ES mobile app

Coming Soon...our new mobile app!

John Vastyan

Vastyan, a journalist whose work focuses on the plumbing and mechanical and radiant heat industries, owns Common Ground, a trade communications firm based in Man-heim, PA. Vastyan is a graduate of Penn State University. He also served as a US Army journalist for four years, winning the DINFOS Journalist of the Year award in 1984. He can be reached at    717-664-0535.


Getting Into The Flow

May 1, 2011
Commercial system experts see flow as a key step to optimizing system efficiency. Cutting down required tubing size, insulated PEX for district systems, and variable-speed pumps to pin down a chiller’s exact needs are three points of attack in the modern campaign against waste.
Read More

Energy Demon At The Door

April 1, 2011
Having lived with an ancient heating system and no cooling for years, a Pennsylvania congregation now sings the praises of the updated hydronics and new mini-splits that brought a mechanical renaissance to the church’s various spaces.
Read More

Hydronics Strategies Offer Two Paths to Performance

May 1, 2010
In light commercial hydronic systems, design challenges may be solved by using a fixed Delta-T (DT), variable-speed circulator as the main pump. Or with larger, whole-building hydronic systems that heat and cool, a constant-circulation strategy that moves large volumes of Btu’s while permitting fancoil units to tap the “river’s flow” can save precious thermal energy. Fancoil design, pumping stations, and these contemporary updates on proven hydronic concepts can all contribute to your system efficiency.
Read More

Uniform Success: Boilers, Piping & Police

February 1, 2009
The new police training facility in Columbus, OH offered a variety of spaces, which you’d expect, and a slightly odd shape, which you might not. The situation warranted a custom piping and boiler configuration, and engineers produced an arresting design that fulfills its duty to tomorrow’s officers.
Read More

Phoenix Convention Center On The Rise

October 1, 2008
As part of the city’s move to drastically upgrade its ability to host major gatherings, this boiler/hydronics design had to be ready for large crowds and surprisingly cold days. By combining simplicity with flexibility, the new system moves the project closer to LEED® certification and boasts a range that can offer service from exhibit hall to symphony hall.

Read More

Digging For Gold In The Park

January 1, 2008
The Millennium Tower Residences in Battery Park face both the Hudson River and tough neighborhood sustainability standards. This article focuses on the selection and performance benefits of the heat pumps within the overall design, from giving each family accountability for conserving energy to the critical issue of minimizing noise. They have been an important but single step among many in pursuing the Gold standard near Manhattan’s southernmost patch of green.

Read More

Radiant Delivers For Air Transport Hangar

October 1, 2007
This air transport firm takes over when “overnight” won’t do. They’ve delivered hearts on ice, special ops experts, rare animals, and radioactive payloads. A smartly assembled heating and snowmelt system at its Ohio hangar keeps performance high when temperatures get low.

Read More



Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
3/27/14 11:00 am EST

How to Calculate Backup Power Supply Requirements for Your Facility

On-Demand This webinar reviews how to determine power requirements of facility loads; electrical characteristics and impact of different types of loads such as large motors and UPS systems on power supply sizing; acceptable power sources and other constraints applied by building codes; and how software tools can be used to simplify the process of calculating backup power requirements.  


Engineered Systems Magazine

ES April 2014 cover

2014 April

Check out the April 2014 issue of Engineered Systems, with features on backup power supply requirements, cyberattacks, and much more!

Table Of Contents Subscribe

Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
View Results Poll Archive


The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

More Products

Clear Seas Research

Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!


new Facebook icon Twitter icon YouTube iconLinkedIn icon