HVAC Regulations: Statute and Code Reference

This page provides a structured reference to the 70 regulatory citations tracked across Air Duct Authority. All citations are extracted from page content and verified against primary sources.

Citation Summary

Category Count
Named Federal Acts 3
Building & Electrical Codes 41
NFPA Standards 6
ASHRAE Standards 14
Building Code Edition 6
Total 70

Named Federal Acts

Citation Jurisdiction
Clean Air Act US
Federal Insecticide, Fungicide, and Rodenticide Act US
Indicated Act US

Building & Electrical Codes

Citation Jurisdiction
IECC C403.2.7 National
IECC R402.2.9 National
IECC R403 National
IECC R403.3 National
IECC R403.3.1 National
IECC R403.3.4 National
IECC R806.5 National
IMC 106 National
IMC 504.6 National
IMC 506 National
IMC 601 National
IMC 602 National
IMC 602.1 National
IMC 602.2 National
IMC 603 National
IMC 603.10 National
IMC 603.9 National
IMC 605 National
IMC 606 National
IMC 607 National
IMC 607.4 National
IMC 607.5.1 National
IMC 607.5.2 National
IMC 607.5.3 National
IMC 607.5.4 National
IMC 607.5.5 National
IMC 607.5.6 National
IMC 607.6 National
IRC M1401.3 National
IRC M1601 National
IRC M1601.1 National
IRC M1601.3.1 National
IRC M1601.4 National
IRC M1601.4.1 National
IRC M1602 National
IRC M1602.2 National
IRC R105.2 National
IRC R302.6 National
IRC R408 National
IRC R408.3 National
IRC R806 National

NFPA Standards

Citation Jurisdiction
NFPA 101 National
NFPA 54 National
NFPA 72 National
NFPA 80 National
NFPA 90A National
NFPA 90B National

ASHRAE Standards

Citation Jurisdiction
ASHRAE 111 National
ASHRAE 120 National
ASHRAE 135 National
ASHRAE 152 National
ASHRAE 169 National
ASHRAE 170 National
ASHRAE 180 National
ASHRAE 2017 National
ASHRAE 52.2 National
ASHRAE 55 National
ASHRAE 62 National
ASHRAE 62.1 National
ASHRAE 62.2 National
ASHRAE 90.1 National

Building Code Edition

Citation Jurisdiction
IECC 2021 —
IECC Edition 2009 —
IECC Edition 2012 —
IECC Edition 2018 —
IECC Edition 2021 —
IMC Edition 2021 —

Pages with Regulatory Citations

Page Citations
hvac-duct-fire-safety-requirements 15
ductwork-in-unconditioned-spaces 13
duct-system-codes-and-standards 11
residential-vs-commercial-ductwork 8
return-air-duct-design 7
sheet-metal-ductwork-guide 6
hvac-duct-inspection-checklist 6
how-to-use-this-hvac-systems-resource 6
duct-system-iaq-impact 6
hvac-duct-materials-comparison 5
duct-system-zoning 5
duct-leakage-testing 5
duct-airflow-cfm-calculations 5
hvac-systems-topic-context 4
hvac-register-grille-diffuser-guide 4
hvac-plenum-design 4
hvac-duct-permits-and-inspections 4
duct-system-energy-loss-quantification 4
duct-insulation-requirements 4
air-duct-authority-glossary 4
aeroseal-duct-sealing-technology 4
when-to-replace-ductwork 3
trunk-and-branch-duct-systems 3
manual-d-duct-design 3
hvac-systems-listings 3
hvac-systems-directory-purpose-and-scope 3
hvac-duct-lifespan-expectations 3
flexible-duct-installation-standards 3
duct-pressurization-test-protocols 3
duct-fittings-and-transitions 3
... and 18 more pages

Recent Regulatory Changes

Change Type Date Source
Promoting the National Defense by Ensuring an Adequate Supply of Elemental Ph... executive order 2026-02-23 federal_register
Employment Authorization Reform for Asylum Applicants proposed rule 2026-02-23 federal_register
Appellate Jurisdiction Update final rule 2026-03-09 federal_register
Medicare Program; Hospital Outpatient Prospective Payment and Ambulatory Surg... final rule 2026-02-23 federal_register
Medications for the Treatment of Opioid Use Disorder; Correction final rule 2026-02-23 federal_register
Airworthiness Directives; Airbus Helicopters proposed rule 2026-02-23 federal_register
Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate... proposed rule 2026-02-23 federal_register
Airworthiness Directives; Airbus Helicopters final rule 2026-03-10 federal_register
Airworthiness Directives; Airbus Helicopters final rule 2026-03-10 federal_register
Comprehensive Fishery Management Plans for Puerto Rico, St. Croix, and St. Th... final rule 2026-02-23 federal_register
Fisheries of the Northeastern United States; Revised 2026 Atlantic Mackerel S... final rule 2026-02-23 federal_register
Airworthiness Directives; Airbus SAS Airplanes final rule 2026-03-30 federal_register
Age Search Service Fee Structure proposed rule 2026-02-23 federal_register
Policy Clarifying Definition of “Actively Engaged” for Purposes of Inspector ... final rule 2026-02-23 federal_register
Oil and Gas and Sulfur Operations in the Outer Continental Shelf-Revisions to... proposed rule 2026-02-23 federal_register
Form N-PORT Reporting proposed rule 2026-02-23 federal_register
Investment Company Names Form N-PORT Reporting; Extension of Compliance Date final rule 2026-03-25 federal_register
Farmer Bridge Assistance (FBA) Program final rule 2026-02-23 federal_register
Establishment of Class E Airspace; Providence Seaside Hospital Heliport, Seas... final rule 2026-05-14 federal_register
Continuation of the National Emergency With Respect to Venezuela executive order 2026-02-20 federal_register

Monitoring Sources

Citations on this site are monitored against the following regulatory data sources:

Citation data last extracted: 2026-03-08

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