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ASHRAE 62.2 2013

ASHRAE 62.2 2013

$34.67

ASHRAE Standard 62.2-2013 Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings (ANSI/ASHRAE Approved)

Published By Publication Date Number of Pages
ASHRAE 2013 54
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Increased Mechanical Ventilation Rates and More in Standard 62.2-2013 For the 2013 edition of ANSI/ASHRAE Standard 62.2, mechanical ventilation rates have been increased to reflect the elimination of the default assumption of a leakage rate of 2 cfm per 100 ft2. Other significant changes were made regarding climate limitations on pressurization and depressurization, carbon monoxide alarms, and calculations and weather data for estimating annual leakage. In total, this 2013 edition incorporates the contents of 17 addenda into the 2010 edition. Standard 62.2 defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings. As in the previous editions of this standard, there are three primary sets of requirements and a number of secondary ones. The three primary sets involve whole-building ventilation, local demand-controlled exhaust, and source control. The secondary requirements focus on properties of specific items needed to achieve the main objectives of the standard. Standard 62.2 applies to spaces intended for human occupancy within single-family houses and multi-family structures of three stories or fewer above grade, including manufactured and modular houses. This standard does not apply to transient housing such as hotels, motels, nursing homes, dormitories, or jails. The standard considers chemical, physical, and biological contaminants that can affect air quality. It does not address thermal comfort requirements, specific pollutant concentration levels, or certain potential pollutant sources such as unvented combustion space heaters and contamination from outdoor sources or from episodic occupant-controlled events such as painting, smoking, cleaning, or other high-polluting events. The PDF download of Standard 62.2, in addition to offering immediate access to the content, presents the climate zone map in color for enhanced readability.

PDF Catalog

PDF Pages PDF Title
4 FOREWORD
1. PURPOSE
2. SCOPE
5 3. DEFINITIONS
6 4. WHOLE-BUILDING VENTILATION
7 TABLE 4.1a (I-P) Ventilation Air Requirements, cfm
TABLE 4.1b (SI) Ventilation Air Requirements, L/s
8 TABLE 4.2 Mechanical Ventilation Effectiveness (e) for Intermittent Fans
9 5. LOCAL Exhaust
TABLE 5.1 Demand-Controlled Local Ventilation Exhaust Airflow Rates
TABLE 5.2 Continuous Local Ventilation Exhaust Airflow Rates
6. OTHER REQUIREMENTS
10 TABLE 5.3 Prescriptive Duct Sizing
11 7. Air-Moving Equipment
8. MULTIFAMILY BUILDINGS
12 TABLE 8.2.1a (I-P) Dwelling Unit Ventilation Air Requirements, cfm
TABLE 8.2.1b (SI) Dwelling Unit Ventilation Air Requirements, L/s
9. Climate Data
10. REFERENCES
13 Figure 9.1 Climate zones for U.S. locations (ASHRAE Transactions, 109(1), Briggs et al., 2003).
15 NORMATIVE APPENDIX A— EXISTING BUILDINGS
A1. SUMMARY
A2. WHOLE-BUILDING MECHANICAL VENTILATION RATE
A3. LOCAL EXHAUST
A4. AIR-MOVING EQUIPMENT
16 NORMATIVE APPENDIX B— INFILTRATION EFFECTIVENESS WEATHER AND SHIELDING FACTORS
TABLE B1 U.S. Climates
44 TABLE B2 Canadian Climates
47 INFORMATIVE APPENDIX C— ADDENDA DESCRIPTION INFORMATION
TABLE C1 Addenda to ANSI/ASHRAE Standard 62.2-2010

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ASHRAE 62.2 2013
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