§ Chapter 13 IRC 2024
General Mechanical System Requirements
8 entries from Chapter 13 of IRC 2024, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.
§ 01 Sections
All 8 entries.
Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.
Section
Title
Question
M1301
IRC 2024 Mechanical Inspection: What Inspectors Check at Rough-In and Final
M1301
What does an IRC 2024 mechanical inspection cover at rough-in and final stages?
What does an IRC 2024 mechanical inspection cover at rough-in and final stages?
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M1301.1
IRC 2024 Mechanical Permits: What Work Requires a Permit and Inspection
M1301.1
What mechanical work requires a permit under IRC 2024?
What mechanical work requires a permit under IRC 2024?
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M1301.2
IRC 2024 Mechanical Equipment Listing: UL, ETL, and AGA Certification Requirements
M1301.2
Does IRC 2024 require mechanical equipment to be UL listed or certified by an approved lab?
Does IRC 2024 require mechanical equipment to be UL listed or certified by an approved lab?
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M1303
IRC 2024 Fuel-Burning Appliance Clearances: Minimum Distance from Combustibles
M1303
What clearances from combustibles does IRC 2024 require for gas furnaces and fuel-burning appliances?
What clearances from combustibles does IRC 2024 require for gas furnaces and fuel-burning appliances?
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M1305
IRC 2024 Mechanical Room: Minimum Size, Clearances, and Combustion Air
M1305
Does IRC 2024 specify a minimum size for a mechanical room?
Does IRC 2024 specify a minimum size for a mechanical room?
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M1305.1
IRC 2024 HVAC Access Panels: Clearances and Accessibility for Mechanical Equipment
M1305.1
What access clearances does IRC 2024 require for HVAC and mechanical equipment?
What access clearances does IRC 2024 require for HVAC and mechanical equipment?
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M1401.3
IRC 2024 Heating System Design: Manual J and Whole-House Load Calculation
M1401.3
Does IRC 2024 require a Manual J load calculation for HVAC sizing?
Does IRC 2024 require a Manual J load calculation for HVAC sizing?
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M1411.3
IRC 2024 Condensate Lines: Primary Drain, Secondary Pan, and Float Switch Requirements
M1411.3
What does IRC 2024 require for HVAC condensate drains and overflow protection?
What does IRC 2024 require for HVAC condensate drains and overflow protection?
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§ 02 Chapter navigation