Pumps & Flow Controls

VRF Heat Pumps In The Real World

Wide temperature swings, submetering deficiencies, bloated carbon footprint … these are but three of the problems tackled in two contrasting projects in the Northwest.
By Marcia Karr
No Comments
How is variable refrigerant flow (VRF) working for you? We asked a number of people that question and summarized the findings from two typical facilities here.
Read More

AHRI releases heat pump standards

No Comments

The Air-Conditioning, Heating, and Refrigeration Institute has published two new standards covering commercial heat pumps.


Read More
Back 2 Basics

Energy Retro-Cx

Based on Cx-3 ATC/FPT and TAB-3 software
By Howard McKew, P.E., C.P.E.
No Comments
MONTH 1- The Energy Conservation Opportunity: Primary-Secondary Heating at an Industrial Building Application
Read More
Cover Story

Building On A Swedish Tradition

The American Swedish Institute looked homeward to plan for its future, using geothermal technology to achieve high-performance energy solutions in an urban setting.
By Craig Lemma and Scott Litchty, P.E.
One Comment
Reflecting a long-established Swedish commitment to environmental stewardship, the Nelson Cultural Center addition at the American Swedish Institute (ASI) in Minneapolis integrates several technically advanced sustainable features, including a high-efficiency geothermal heating and cooling system that reduces energy consumption by nearly 30 percent (based on an ASHRAE 90.1 baseline) while supporting the Institute’s diverse community programming.
Read More
Case In Point

Green design model retrofit uses boilers in effort to LEED by example

Electricity and natural gas costs were reduced at the Environmental Way building, thanks to hydronic boilers.
No Comments
For David Bowles, a former IBM corporate facility in Charlotte, NC was much more than an abandoned eyesore.
Read More
Case In Point

Exploratorium’s new waterfront home dips into the Bay for radiant system

No Comments

When it comes to celebrating the new Exploratorium museum project, located at Pier 15 along San Francisco’s Embarcadero, the engineering and systems design professionals at Integral Group tend to take it a bit … well, personally.


Read More

Married at the Courthouse: VRF & Geothermal

By Vic Amoroso, P.E.
No Comments

The author’s longtime interest in bundling efficiency techniques in a single system eventually led him to a new pairing: VRF zoning technology and geothermal design. See how he got there and how this couple played out for an historic 107-year-old Iowa courthouse that serves the law through the area’s brutal winters and humid summers.


Read More

Michaels Energy - Easy fix for wasteful steam systems

Thermostatic radiator valves could provide a welcome boost
By Jonathan Hilyard, LEED GA
No Comments
In an age when a three-year-old cell phone is considered to be obsolete, steam heating systems, which are often well over 50 years old, get no respect.
Read More

Retrofitting Primary Chilled Water Pumps With VFDs

By Eric O'Neill
No Comments
Take a large hospital, subtract unexamined rules of thumb, add meaningful incremental improvements like VFD’s and a controls upgrade, and what do you get? Smarter engineering via improved performance for both the pumps and the chillers. But it all starts with one little question.
Read More

Pumping and Flow Controls in Geothermal Heat Pump Systems

By Stephen Hamstra P.E., ASHRAE HBDP LEED AP,
One Comment
What are the key technical challenges and design options for optimizing a geothermal heat pump design? Review the pros and cons involved with centralized or distributed pumping, with hybrid or decoupled systems, and with the controls that can guide them.
Read More

Multimedia

Videos

Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
9/25/14 2:00 pm EDT

Test Anxiety? Learn How and When to Test Your Standby Generator

This webinar will discuss generator reliability, testing, and troubleshooting from a practical perspective and make recommendations for a comprehensive inspection and testing program.

Engineered Systems Magazine

es0914_Cover-100.jpg

2014 September

Check out the September 2014 issue of Engineered Systems, with features on radiant panels, refrigerant flow systems, and much more!

Table Of Contents Subscribe

System Design

Based on your experience and knowledge level, are you currently comfortable designing or maintaining a system incorporating VRF or radiant ceiling panels?
View Results Poll Archive

THE ENGINEERED SYSTEMS STORE

The_Green_Energy_Management
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!

STAY CONNECTED

new Facebook icon Twitter icon YouTube iconLinkedIn icon  Google+