General Mechanical System Requirements

IRC 2024 Condensate Lines: Primary Drain, Secondary Pan, and Float Switch Requirements

What does IRC 2024 require for HVAC condensate drains and overflow protection?

M1411.3

IRC 2024 Fuel-Burning Appliance Clearances: Minimum Distance from Combustibles

What clearances from combustibles does IRC 2024 require for gas furnaces and fuel-burning appliances?

M1303

IRC 2024 Heating System Design: Manual J and Whole-House Load Calculation

Does IRC 2024 require a Manual J load calculation for HVAC sizing?

M1401.3

IRC 2024 HVAC Access Panels: Clearances and Accessibility for Mechanical Equipment

What access clearances does IRC 2024 require for HVAC and mechanical equipment?

M1305.1

IRC 2024 Mechanical Equipment Listing: UL, ETL, and AGA Certification Requirements

Does IRC 2024 require mechanical equipment to be UL listed or certified by an approved lab?

M1301.2

IRC 2024 Mechanical Inspection: What Inspectors Check at Rough-In and Final

What does an IRC 2024 mechanical inspection cover at rough-in and final stages?

M1301

IRC 2024 Mechanical Permits: What Work Requires a Permit and Inspection

What mechanical work requires a permit under IRC 2024?

M1301.1

IRC 2024 Mechanical Room: Minimum Size, Clearances, and Combustion Air

Does IRC 2024 specify a minimum size for a mechanical room?

M1305