[Equest-users] HVAC-lobby system question

Patrick Darby pdarby at twfp.com
Wed Aug 6 09:06:38 PDT 2008

The HVAC-lobby system is designed to handle the outdoor air for maximum
occupancy, but has CO2 sensors to reduce the supplied outdoor air. To be
realistic, I should model the space with ~40% or less occupancy for 99%
of the time. When I compare to the MNECB reference case, the HVAC unit
will be required to supply 100% of the OA for 100% of the occupancy.
Does this comparison make sense? Are we taking more credit that we
Thank you,

Patrick Darby, BScE

Mechanical Engineering Services
The Walter Fedy Partnership 
Phone: 519-576-2150 x271
Fax: 519-576-5499
Web: www.twfp.com

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