HVAC Regulations in Maryland: Statute and Code Reference

This page provides a structured reference to the 58 regulatory citations tracked across Maryland HVAC Authority. All citations are extracted from page content and verified against primary sources.

Citation Summary

Category	Count
Federal Statutes (U.S. Code)	3
Federal Regulations (C.F.R.)	2
Named Federal Acts	24
Building & Electrical Codes	7
NFPA Standards	9
ASHRAE Standards	9
Public Laws	1
Building Code Edition	3
Total	58

Federal Statutes (U.S. Code)

Citation	Jurisdiction
26 U.S.C. § 25	US
42 U.S.C. § 7671g	US
42 U.S.C. § 7675	US

Federal Regulations (C.F.R.)

Citation	Jurisdiction
10 C.F.R. Part 430	US
40 C.F.R. Part 82	US

Named Federal Acts

Citation	Jurisdiction
AIM Act	US
American Innovation and Manufacturing Act of 2020	US
Clean Air Act	US
Climate Solutions Now Act of 2022	US
Consumer Protection Act	US
EPA AIM Act	US
EPA, AIM Act	US
EmPOWER Maryland Act	US
EmPOWER Maryland Energy Efficiency Act	US
EmPOWER Maryland Energy Efficiency Act of 2008	US
Energy Policy and Conservation Act	US
Greenhouse Gas Emissions Reduction Act	US
Inflation Reduction Act	US
Inflation Reduction Act of 2022	US
Maryland Administrative Procedure Act	US
Maryland Consumer Protection Act	US
Maryland Service Contract Act	US
National Historic Preservation Act	US
No AIM Act	US
Occupational Safety and Health Act	US
The AIM Act	US
The Home Improvement Commission Act	US
The Maryland Consumer Protection Act	US
Under the Maryland Service Contract Act	US

Building & Electrical Codes

Citation	Jurisdiction
IECC C403	National
IECC R403.3	National
IECC R403.3.4	National
IECC R403.7	National
IMC 303	National
IMC 606	National
IRC M1401.3	National

NFPA Standards

Citation	Jurisdiction
NFPA 13	National
NFPA 211	National
NFPA 31	National
NFPA 54	National
NFPA 58	National
NFPA 70	National
NFPA 720	National
NFPA 90A	National
NFPA 99	National

ASHRAE Standards

Citation	Jurisdiction
ASHRAE 15	National
ASHRAE 169	National
ASHRAE 34	National
ASHRAE 52.2	National
ASHRAE 55	National
ASHRAE 62.1	National
ASHRAE 62.2	National
ASHRAE 90.1	National
ASHRAE 99.6	National

Public Laws

Citation	Jurisdiction
Pub. L. 117-169	US

Building Code Edition

Citation	Jurisdiction
IECC 2021	—
IECC Edition 2021	—
IMC Edition 2021	—

Pages with Regulatory Citations

Page	Citations
maryland-hvac-refrigerant-regulations	8
maryland-hvac-energy-efficiency-standards	8
maryland-commercial-hvac-requirements	8
maryland-pepco-hvac-incentives	6
maryland-hvac-complaint-resolution	6
maryland-building-codes-hvac	6
heat-pumps-in-maryland	6
maryland-radiant-heating-systems	5
maryland-hvac-sizing-guidelines	5
maryland-hvac-seasonal-maintenance	5
maryland-hvac-new-construction-standards	5
maryland-hvac-indoor-air-quality-standards	5
maryland-geothermal-hvac-systems	5
maryland-chesapeake-bay-hvac-considerations	5
maryland-hvac-warranty-standards	4
maryland-hvac-systems-in-local-context	4
maryland-hvac-retrofit-existing-buildings	4
maryland-hvac-regulatory-agencies	4
maryland-hvac-pricing-benchmarks	4
maryland-hvac-multifamily-buildings	4
maryland-hvac-inspection-standards	4
maryland-hvac-glossary	4
maryland-hvac-financing-options	4
maryland-western-region-hvac-needs	3
maryland-hvac-system-types-overview	3
maryland-hvac-regional-variations	3
maryland-hvac-permit-process	3
maryland-hvac-licensing-requirements	3
maryland-hvac-humidity-control	3
maryland-hvac-environmental-compliance	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
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:

Ashrae (last checked: 2026-03-09)
Congress (last checked: 2026-03-09)
Ecfr (last checked: 2026-03-09)
Federal Register (last checked: 2026-02-28)
Nfpa (last checked: 2026-03-09)
Openstates (last checked: 2026-03-09)

Citation data last extracted: 2026-03-08

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