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IAQ

Infectious Microorganisms Do Not Care About Your Existing Policies

Personnel, common practices, and pathogen behavior all complicate the battle against hospital-acquired infections (HAIs). An overly narrow definition of “airborne” and a habit of confusing comfort with safety may be making things worse, too. Understand the enemy — why less may be more when it comes to room changes, and more may be more regarding relative humidity — to get beyond “business as usual” and knock down the risk to patients.
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ASHRAE 170 Update: Standard Operating Procedure

Air changes in some but not all spaces, duct liner here but not necessarily there, rooftop unit requirements … do the rounds and get a feel for the current condition of ASHRAE Standard 170, Ventilation of Health Care Facilities.
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BUILDING AUTOMATION

Control Of Critical Environments

In these applications, reliability and accuracy are of primary importance.
On all projects, the need to provide reliability, accuracy, and safety need to be carefully considered as part of the overall design, but when we start looking at critical environments, these requirements become paramount in the design process.
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Airside Economizers For Indoor Pools

Sometimes it’s less important to think outside the box than to notice that the stuff inside the box has changed. In the case of airside economizers, more modern components and seasonal opportunities can make things work swimmingly.
Airside economizers are simple, effective systems that significantly reduce cooling energy use and improve indoor air quality.
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EDITOR'S NOTE

Germ Warfare: Impatient For Progress

When it comes to hospital-acquired infections, the old saying applies to HVAC. If you’re not part of the solution, you’re part of the problem.
Hospital infections and the toll they can take have been on our radar for a while now, thanks largely to Howie McKew championing the issue.
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Managing Your Hospital Building Can Save Patient Lives

The history of our battle against infections and airborne disease is fascinating. Expand your knowledge and then sharpen your process for evaluating product options to craft better strategies for reducing these health risks.
Hospitalization per se is now the third-leading cause of death in the U.S. How did this happen?
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Dehumidification Challenges: A View From The High Dive

An onslaught of natatorium retrofits are coming, as a large wave of dehumidifiers reaches the end of its collective lifecycle.
The newly refurbished Kanata Leisure & Fitness Centre Wave Pool (KLFCWP) in Kanata, Ontario, gives HVAC engineers and contractors an unprecedented look into the challenges they’ll face in future natatorium retrofits.
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Case In Point

Energy recovery helps condo towers solve humidity, energy concerns

The Seagate Towers in Delray Beach, FL, is a twin-tower condominium complex built in 1970, offering unobstructed views of the Atlantic Ocean.
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HRVs and ERVs For Classroom Ventilation Applications

Recovering sensible or total heat, wheels or cubes, optional add-ons like fans and filters and assorted sensors ... it takes some homework to specify the right energy-saving recovery ventilator for your school application.
It doesn’t get much more sensitive in HVAC design than designing ventilation systems for the schools that our youth occupy during their learning years.
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CASE IN POINT

Hybrid HVAC design earns high marks at KY school

The new $60-million George Rogers Clark High School in Winchester, KY, is saving 35% each month in utility costs, thanks to its green design.
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2014 December

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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.

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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!

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