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Aircuity Monitor: April 2020

BLOOMSBURG UNIVERSITY CASE STUDY

Bloomsburg U Graphic

A simple student run program powered by Aircuity saved the university $22,000 annually. Find out more about the program and how they achieved the savings!

READ BLOOMSBURG CASE STUDY

AIRCUITY OFFERS OUR BEST WISHES TO THOSE ADVERSELY IMPACTED BY COVID-19. SEE MORE HERE.

AIRCUITY NAMES U&S SERVICES INC. REPRESENTATIVE FOR UPSTATE NEW YORK

We are happy to announce an agreement with U&S Services, a Stark Tech Group company, to cover New York State north of Orange and Putnam counties. With 25 years in business and expertise in optimizing energy use in public and private sector buildings, the firm will be an ideal partner for our area clients.

READ PRESS RELEASE

AIRCUITY WEBINAR SERIES

For 20 years Aircuity has made buildings healthier, more productive and efficient. We hope that you can join us for one of the webinars below.

The WELL Building Standard & Buildings as a Response to the Pandemic

Join International WELL Building Institute's Angela Spangler for an overview of WELL and a dive into IWBI's view of Buildings as a Response to the current Coronavirus Pandemic.

REGISTER 4/16 12:00PM EST

 

 

Wellness Meets Airside Efficiency

Topics covered:

  • Aircuity's impact in a post COVID-19 world: implementation & design
  • Air quality's impact on wellness 
  • How healthy is your indoor air? (Real building data)

Two dates offered:

REGISTER 4/13 12:00PM EST
REGISTER 4/20 12:00PM EST

 

 

Designing with Aircuity, Layout and Mechanical Considerations

Calling all engineers, architects or those just curious:

  • See a job laid out by an Aircuity Applications Engineer
  • Get insight on the built-in logic of the tool
  • Ask questions about Aircuity project types & applications
REGISTER 4/14 12:00PM EST

 

MYTH OF THE MONTH: Installing discrete CO2 sensors and calibrating them every 6 months will provide the same accuracy as Aircuity

BUSTED: Calibrating sensors every six months will help with sensor accuracy but will not solve offset drift. Aircuity’s differential measurement approach uses one sensor to measure the reference and the room air to eliminate offset drift, which is the largest component of drift. Even with 6-month calibration, the offset drift can be very large after only a few weeks. Field calibration addresses the gain and linearity drift, which occur at a slower rate.

Furthermore, to address and deliver optimal sensor accuracy, Aircuity directly compensates for barometric pressure and is not susceptible to impact of humidity. Commercial CO2 sensors do not, and both of these effects can vary the output of the sensor by as much as 100 PPM. Finally, Aircuity filters the air going to the sensors to again limit the gain and linearity drifts.

So, calibrating discrete CO2 sensors every 6 months will not solve these accuracy and drift issues and, thus greatly have far less accuracy compared to Aircuity. For acceptable performance at minimum, there must be differential measurement, barometric compensation, no humidity influence, and filtering of the sensed air with a HEPA grade filter.

 
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