HVAC Regulations in Montana: Statute and Code Reference

This page provides a structured reference to the 53 regulatory citations tracked across Montana HVAC Authority. All citations are extracted from page content and verified against primary sources.

Citation Summary

Category Count
Federal Statutes (U.S. Code) 2
Named Federal Acts 19
Building & Electrical Codes 11
NFPA Standards 7
ASHRAE Standards 12
Public Laws 1
Building Code Edition 1
Total 53

Federal Statutes (U.S. Code)

Citation Jurisdiction
26 U.S.C. § 25 US
42 U.S.C. § 6291 US

Named Federal Acts

Citation Jurisdiction
AIM Act US
Boiler and Pressure Vessel Safety Act US
Clean Air Act US
EPA AIM Act US
Energy Policy and Conservation Act US
High-Efficiency Electric Home Rebate Act US
Inflation Reduction Act US
Inflation Reduction Act of 2022 US
MT Boiler Act US
Montana Administrative Procedure Act US
Montana Air Quality Act US
Montana Boiler and Pressure Vessel Safety Act US
Montana Contractor Registration Act US
Montana Well Log Act US
National Manufactured Housing Construction and Safety Standards Act US
Natural Gas Act US
The AIM Act US
The Inflation Reduction Act of 2022 US
Well Log Act US

Building & Electrical Codes

Citation Jurisdiction
IECC R403.3 National
IMC 1200 National
IMC 1209 National
IMC 603 National
IRC M1401 National
IRC M1401.3 National
IRC M1402 National
IRC M1403 National
IRC M2001 National
IRC M2103 National
NEC 424 National

NFPA Standards

Citation Jurisdiction
NFPA 211 National
NFPA 31 National
NFPA 54 National
NFPA 58 National
NFPA 70 National
NFPA 72 National
NFPA 720 National

ASHRAE Standards

Citation Jurisdiction
ASHRAE 103 National
ASHRAE 15 National
ASHRAE 169 National
ASHRAE 180 National
ASHRAE 2019 National
ASHRAE 52.2 National
ASHRAE 62.1 National
ASHRAE 62.2 National
ASHRAE 84 National
ASHRAE 90.1 National
ASHRAE 99 National
ASHRAE 99.6 National

Public Laws

Citation Jurisdiction
Pub. L. 117-169 US

Building Code Edition

Citation Jurisdiction
IECC Edition 2021 —

Pages with Regulatory Citations

Page Citations
heating-systems-for-montana-homes 8
montana-indoor-air-quality-considerations 7
montana-hvac-terminology-glossary 7
montana-hvac-codes-and-regulations 7
montana-hvac-system-sizing-guidelines 6
montana-commercial-hvac-systems 6
montana-climate-zones-and-hvac-implications 6
montana-hvac-systems-in-local-context 5
montana-hvac-rebates-and-incentives 5
montana-hvac-maintenance-schedules 5
geothermal-hvac-montana 4
comparing-hvac-fuel-sources-montana 4
wood-and-biomass-heating-montana 3
rural-montana-hvac-system-options 3
radiant-heating-in-montana 3
propane-hvac-systems-montana 3
montana-hvac-systems-directory-purpose-and-scope 3
montana-hvac-system-lifespan-and-replacement 3
how-to-use-this-montana-hvac-systems-resource 3
ductless-mini-split-systems-montana 3
cooling-systems-in-montana 3
natural-gas-hvac-montana 2
montana-new-construction-hvac-planning 2
montana-hvac-energy-efficiency-standards 2
montana-heat-pump-considerations 2
forced-air-systems-in-montana 2
boiler-systems-in-montana 2
air-quality-and-wildfire-smoke-montana-hvac 2
winterization-hvac-montana 1
montana-hvac-systems-listings 1
... and 1 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
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 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
Policy Clarifying Definition of “Actively Engaged” for Purposes of Inspector ... final 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
Continuation of the National Emergency With Respect to Ukraine executive order 2026-02-20 federal_register
Inpyrfluxam; Pesticide Tolerances final rule 2026-02-20 federal_register
Procedural Rules; Correction final rule 2026-02-20 federal_register
Pydiflumetofen; Pesticide Tolerances final rule 2026-02-20 federal_register
West Virginia Regulatory Program final rule 2026-03-23 federal_register
Streamlining the Regulations Governing Requests for Special Census Services a... final rule 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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