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The main objectives of this study are to 1) present the impact on required minimum outside air ventilation rates by using IAQP with sorbent-based air cleaning technology, 2) present the resulting peak load reduction on the HVAC system, 3) show the resulting IAQ measurements for indoor COCs after air cleaning and the IAQP, and 4) outline the economic savings of using the solution for this corporate headquarters office building with a brief comparison of HLR vs ERV and DCV technologies.
* The second strategy consisted of using air cleaning along with ventilation based on the IAQP. Ten HVAC Load Reduction (HLR) modules were installed, two on each floor.
The outside air required for the IAQP mode was calculated by applying ASHRAE Standard 62.1-2013 Indoor Air Quality Procedure, Appendix D, Table D-l, mass balance equation by incorporating the efficiency and the clean airflow delivered by the air cleaning modules.
There has been a fair amount of effort in various quarters aimed at increasing the usability of the IAQP. These efforts have not yet resulted in new addenda.
The LEED IAQP EQpc68 pilot credits can contribute up to 17 points in the following categories as shown in table 4:
The outcomes of this study showed that using the IAQP with air cleaning modules and minimum ventilation realized sustainability goals to the first geothermal center in the Shelby county.
Attaining Sustainability Using IAQP: Experiences with TVOC Testing and Analysis in Field Studies
Attaining Sustainability Using IAQP: Documentation of Successful Building Performance in 15 IAQP Sites in Atlanta
The IAQP allows compliance based on contaminant concentrations and perceived air quality, which constitute IAQ performance criteria.
This article, however, describes compliance with the IAQP requirements (see sidebar IAQP Requirements); although not widely used (primarily because it requires significant judgment on the part of the designer), this valid compliance alternative deserves a detailed discussion and consideration in some cases.
The following steps must be completed to find the minimum required breathing zone OA rate for each zone using the IAQP:
Air purification can be used under the IAQP to reduce design ventilation requirements by removing gas and particle contaminants from indoor air.
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- IAPX 286
- IAPX 432