Ventilation

Are We Unknowingly Wrong-Sizing Ducts?

October 31, 2012
A small team led by an award-winning Florida engineer decided to test conventional wisdom about pressure loss, both in a straight run and in comparing supply and exhaust scenarios. Early returns suggest the data may be flowing in an unexpected fashion.
Read More

The Importance Of Facility Air Balance

October 31, 2012
Brush up on the environmental factors that can throw things out of, well, balance, and note how space pressure problems can create assorted complications.
Read More
Case In Point

Cancer center finds peace and quiet with duct liner

October 19, 2012
A lot will happen under the single rooftop of the new Wesley Long Cancer Center in Greensboro, NC. The 33,000-sq-ft addition to the Moses Cone Regional Cancer Center includes a business office, lobby/waiting area, admitting, phlebotomy lab, breast cancer treatment, exam areas, chemotherapy, an auditorium, and education classrooms.
Read More

Up The Commercial Kitchen Ventilation Hood Type I Stack: No Problems Or Complaints

August 27, 2012
Leakage caused by modern cleaning techniques, evolving codes, increased airflow requirements ... kitchen ventilation design has become more complicated than the old sizing and design challenges. Of course, they’re still around, too. Grease is the word, so review these tips to keep it from popping up in the wrong places.
Read More
Case in Point

Fan terminals elevate raised-floor office project

August 22, 2012
Critchfield Mechanical, Inc. an HVAC engineering firm in Menlo Park, CA needed a cost-effective and energy-efficient perimeter zone ventilation solution.
Read More

HVAC Security Emergencies: No Terrorist Required

July 2, 2012
Plenty of potential ventilation crises await many otherwise unassuming buildings, thanks to nothing more sinister than truck accidents, emissions from nearby buildings, or unavoidable natural disasters. However, by pairing a clear basis of design with HVAC response strategies, building owners can apply some forethought and preparation to avoid worst-case consequences. Start by asking the right questions about your facility.
Read More

HVLS Warehouse Fan: Safety Is A Hot Topic

July 2, 2012
These fans (and their controls) take the NFPA exam for impact in a fire setting.
Read More

ASHRAE webcast highlights DOAS

April 30, 2012

Registration for ASHRAE’s upcoming webcast, “Dedicated Outdoor Air Systems – A Path to Balancing Energy and IEQ,” opened March 19. The webcast focuses on the departure from conventional HVAC systems and takes place April 19, 2012, from 1 to 4 p.m. EDT.


Read More

Cleanroom Variable Airflow Design

April 27, 2012
Appropriately enough, a good variable airflow design accommodates and refines a number of design variables. Particle monitoring strategies, minimum supply air calculation, HVAC sequencing, and space pressurization are just a few stops on the way to spotless performance.
Read More

Centrifugal Fans Installation Guide

March 23, 2012
Here’s a good reference for facilities, TAB pros, or even commissioning agents on what should be found on site (and how to achieve it in the first place). For install through setup, properly managing connections, bearings, controllers, and vibration risks will create an air of success.
Read More

Multimedia

Videos

Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
3/25/14 2:00 pm EST

Improving Cooling and PUE in Existing Data Centers

On-Demand This webinar will provide cost-effective practical tips and feasible retrofit solutions that can be implemented in operational data centers to address some cooling issues and improve energy efficiency.

Engineered Systems Magazine

ES July 2014 cover

2014 July

Check out the July 2014 issue of Engineered Systems, with features on chiller retrofits in health care facilities, building automation, and much more!

Table Of Contents Subscribe

Data Collection

Following Paul Ehrlich's BAS column, what describes your team's performance with data collection, normalization/storage, and analytics/reporting?
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+