NFPA 90B 2021

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NFPA 90B: Standard for the Installation of Warm Air Heating and Air-Conditioning Systems

Published By	Publication Date	Number of Pages
NFPA	2021

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Category: NFPA

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Description

Help make sure systems of warm air heating and air conditioning are safer and more compliant with the latest edition of NFPA 90B. In the event of a fire emergency, fire, smoke, and gases can quickly spread through heating, ventilation, and air-conditioning (HVAC) systems, elevating the risk of injury and loss. NFPA 90B, Standard for the Installation of Warm Air Heating and Air-Conditioning Systems, provides complete provisions for the construction, installation, operation, and maintenance of HVAC equipment, including filters, ducts, and related components. The standard applies to indoor systems in one- and two-family dwellings and buildings under 25,000 cubic feet. NFPA 90B criteria covers: HVAC systems, components, and air distribution Integration of ventilation and air-conditioning system(s) with building construction Fire integrity of building construction Controls including wiring, manual control, smoke dampers, and smoke detection for automatic control Acceptance testing The 2021 edition offers the most current requirements for installing HVAC systems. Mechanical and fire protection engineers, AHJs, architects, contractors, and building owners rely on NFPA 90B to help protect lives and property from fire or conditions similar to fire. Important revisions to the standard include: Editorial alterations, reference updates, and updates to existing language Text on noncombustible materials moved into a separate chapter, Chapter 4, for ease of use

PDF Catalog

PDF Pages	PDF Title
2	Important Notices and Disclaimers
3	Additional Important Notices and Disclaimers
7	Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Equivalency. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications.
8	2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions.
9	Chapter 4 Noncombustible Materials 4.1 Noncombustible Materials. Chapter 5 System Components 5.1 Supply Systems.
10	5.2 Return Systems.
11	5.3 Common Requirements.
12	Chapter 6 Fire Integrity of Building Construction 6.1 Clearances to Combustible Material.
15	6.2 Firestopping.
17	Chapter 7 Equipment, Wiring, and Controls 7.1 Equipment.
18	7.2 Electric Wiring and Equipment. 7.3 Controls.
19	Annex A Explanatory Material
20	Annex B Informational References