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COVID-19 Update

Beginning June 1, 2020, per the five-phase plan to re-open Illinois issued by Governor Pritzker, RSES Headquarters staff has returned to the office during regular business hours of 8:30 am – 5:00 pm (CST), Monday through Friday. 

We will be taking every precaution to ensure our safety, but we’ll be onsite to answer your phone calls and emails more promptly! You call us at 847/297-6464 or email us at
Thank you for your understanding and patience during this unusual time. We so much look forward to getting back into the office to better serve you!

Please know, we will maintain the free resources page created during this time to continue to support remote education. Visit often, as the page will be frequently updated: RSES COVID-19 RESOURCE PAGE.

RSES Journal
Digital Edition

RSES Journal August 2020

Don’t miss our exclusive features, including: COVID-19: Making the Humidity Case (Study), Outdoor Air Dilution to Mitigate COVID-19 Spread, Wet Bulb Temperature Specs Part 2: Were the Specs Wrong? and more. This issue is open to the public as well, so whether you are a Member or new to RSES, we want you to enjoy everything RSES Journal has to offer.

Log into your subscription at Still not a subscriber? Check out our sneak peek on this page or subscribe today.

Leading Off: The Dog Days of Summer (PDF)

By the time you read this much of the nation will be in what we in the South call the “Dog Days,” which is a period of the summer that is characterized by oppressive heat and humidity. These high-humidity ambient conditions can create unusually high latent loads, so many of our HVAC systems are unable to achieve comfortable indoor high moisture levels. read more

  • 1911 Rohlwing Road, Suite A
  • Rolling Meadows, IL
  • 60008-1397
  • Toll Free Phone: 800/297-5660
  • Phone: 847-297-6464

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