Next Greenville Meeting


Program: Dedicated Outdoor Air Systems and ASHRAE Standard 90.1-2013

Dedicated outside air systems continue to grow in popularity as a choice to ventilate and dehumidify buildings. AHRI standard 920 is a newer standard that defines efficiency metrics for DOAS DX equipment. These metrics have been added ASHRAE standard 90.1-2013. There are several other additions to 2013 version of the standard pertinent to DOAS. This presentation will discuss these revision and existing language that relate directly to DOAS systems. Topics will also include the advantages and drawbacks of common dedicated OA system configurations and design related to these industry standards.


Ronnie Moffitt PE, CEM

Ronnie is an airside applications engineer with 25 years’ experience in the HVAC industry. He currently aides design engineers and sales engineers in the proper design and application of applied HVAC systems. His primary focus has been dehumidification and air-to-air energy recovery design in commercial buildings. This includes the development, design and control optimization of energy recovery and dehumidification for commercial buildings. He has several patents related to these subjects. Ronnie is also on the related AHRI and ASHRAE engineering committees and is current chairman of the AHRI dehumidification section engineering committee and past chairman of ASHRAE’s energy recovery technical committee. Ronnie led the development of the Trane CDQ system a winner of the R&D 100 Award for The Most Technologically Significant New Products of 2005. He received his B.S. in Aerospace Engineering from Syracuse University. He is a license professional engineer and a Certified Energy Manager by the Association of Energy Engineers. Ronnie Moffitt, P.E., is a principal applications engineer at Trane, a business of Ingersoll Rand, in Lexington, KY where he has been 20 years.


Each program qualifies for 1.0 PDH (including NC PE)

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