International Energy Conservation Code
The 2024 International Energy Conservation Code is a comprehensive reference for professionals involved in designing, constructing, renovating, reviewing, or inspecting energy-efficient buildings. Published by the International Code Council, it establishes minimum energy-performance requirements for both new and existing construction.
The book contains separate provisions for commercial buildings and low-rise residential projects. Major areas include climate-zone requirements, building thermal envelopes, insulation, windows and doors, air leakage, mechanical systems, ventilation, service water heating, lighting, electrical power, renewable-energy systems, and performance-based compliance methods. Existing-building chapters also address additions, alterations, repairs, and changes of occupancy or use.
The 2024 edition is useful for architects, energy consultants, mechanical engineers, builders, contractors, building inspectors, plans examiners, code officials, commissioning professionals, facility managers, instructors, and students. It can support energy modeling, construction-document preparation, permit applications, plan review, inspections, compliance verification, and professional examination study.
Its commercial and residential sections allow readers to focus on requirements relevant to their project type. The code provides both prescriptive routes and performance-based alternatives, giving project teams different ways to demonstrate compliance while meeting the applicable energy-efficiency objectives.
The 2024 I-Code format also introduces single-column pages, modernized typography, shaded table headings, better placement of related figures, and QR codes that help identify technical changes from the previous edition. These improvements make the printed book easier to navigate during office, classroom, and jobsite use.
Energy-code adoption and local amendments vary. Buyers should confirm that the 2024 IECC applies to their jurisdiction, project, employer, course, or examination.
Order one copy for professional or educational use, or request bulk pricing for design firms, construction companies, building departments, colleges, training centers, libraries, and resellers.
Key Features
- Complete 2024 International Energy Conservation Code
- Published by the International Code Council
- Includes commercial and residential provisions
- Covers new and existing buildings
- Addresses building-envelope energy performance
- Includes HVAC and ventilation requirements
- Covers lighting and electrical-power systems
- Includes service water-heating provisions
- Provides prescriptive and performance compliance options
- Features improved formatting and QR code references
- Suitable for professionals, officials, and students
- Available for individual purchase and bulk orders



















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