2021 International Energy Conservation Code – IECC-2021
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The 2021 International Energy Conservation Code® (IECC) sets the baseline for energy-efficient design and construction of new buildings, as well as additions and alterations to existing residential and commercial structures. It features separate residential and commercial provisions and is fully integrated with the 2021 I-Codes for coordinated compliance.
Highlights:
- Divides content into Residential (≤3 stories) and Commercial sections for targeted regulation
- Includes multiple compliance paths: prescriptive, performance-based, and Energy Rating Index (ERI)
- Updated climate zone data affects insulation and system efficiency by region
- New requirements for air barriers, insulation materials, and fenestration U-factor/SHGC
- Enhanced HVAC efficiency standards and ventilation control requirements
- Revised lighting power limits, daylighting controls, and sensor use for commercial spaces
- Strengthened water heating system insulation and controls for energy savings
- Specific provisions for renovations, historic buildings, and changes in use
- Expanded commissioning requirements and documentation protocols
- Optional appendices for solar-ready design and zero energy building frameworks
Who It’s For:
Architects, energy consultants, engineers, and code officials seeking to meet energy efficiency standards for code-compliant, sustainable buildings.
IECC-2021
The 2021 International Energy Conservation Code® (IECC) sets the baseline for energy-efficient design and construction of new buildings, as well as additions and alterations to existing residential and commercial structures. It features separate residential and commercial provisions and is fully integrated with the 2021 I-Codes for coordinated compliance.
Highlights:
- Divides content into Residential (≤3 stories) and Commercial sections for targeted regulation
- Includes multiple compliance paths: prescriptive, performance-based, and Energy Rating Index (ERI)
- Updated climate zone data affects insulation and system efficiency by region
- New requirements for air barriers, insulation materials, and fenestration U-factor/SHGC
- Enhanced HVAC efficiency standards and ventilation control requirements
- Revised lighting power limits, daylighting controls, and sensor use for commercial spaces
- Strengthened water heating system insulation and controls for energy savings
- Specific provisions for renovations, historic buildings, and changes in use
- Expanded commissioning requirements and documentation protocols
- Optional appendices for solar-ready design and zero energy building frameworks
Who It’s For:
Architects, energy consultants, engineers, and code officials seeking to meet energy efficiency standards for code-compliant, sustainable buildings.
IECC-2021
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2021 International Mechanical Code – IMC-2021
The 2021 International Mechanical Code® (IMC) establishes minimum standards for the design, installation, and maintenance of mechanical systems in residential, commercial, and industrial buildings. Covering everything from HVAC and ventilation to boilers and refrigeration, the IMC ensures safe, efficient, and code-compliant system operation. Fully coordinated with the 2021 I-Codes.
Highlights:
- Updated rules for appliance access, clearances, condensate drainage, and temperature control
- Comprehensive ventilation standards for occupied and unoccupied spaces, including hospitals and hazardous locations
- Detailed exhaust system requirements for kitchens, dryers, labs, garages, and smoke/grease control
- Regulates duct construction, dampers, insulation, filters, and fire/smoke control systems
- Refers to NFPA and IFGC standards for combustion air; includes chimney and flue guidance
- Covers installation standards for fireplaces, cooking appliances, sauna heaters, and fuel cells
- Includes safety and design rules for boilers, pressure vessels, relief valves, and tanks
- Establishes refrigeration system classification, design, piping, and testing procedures
- Provides hydronic system guidance for hot/chilled water piping, antifreeze, and insulation
- Sets safety standards for fuel oil piping, storage, and solar thermal systems
- Appendices include permit fee schedules, chimney diagrams, and appeal procedures
Who It’s For:
Mechanical contractors, engineers, inspectors, and HVAC professionals working on code-compliant building system design, installation, and maintenance.
IMC-2021
2021 International Mechanical Code – IMC-2021
The 2021 International Mechanical Code® (IMC) establishes minimum standards for the design, installation, and maintenance of mechanical systems in residential, commercial, and industrial buildings. Covering everything from HVAC and ventilation to boilers and refrigeration, the IMC ensures safe, efficient, and code-compliant system operation. Fully coordinated with the 2021 I-Codes.
Highlights:
- Updated rules for appliance access, clearances, condensate drainage, and temperature control
- Comprehensive ventilation standards for occupied and unoccupied spaces, including hospitals and hazardous locations
- Detailed exhaust system requirements for kitchens, dryers, labs, garages, and smoke/grease control
- Regulates duct construction, dampers, insulation, filters, and fire/smoke control systems
- Refers to NFPA and IFGC standards for combustion air; includes chimney and flue guidance
- Covers installation standards for fireplaces, cooking appliances, sauna heaters, and fuel cells
- Includes safety and design rules for boilers, pressure vessels, relief valves, and tanks
- Establishes refrigeration system classification, design, piping, and testing procedures
- Provides hydronic system guidance for hot/chilled water piping, antifreeze, and insulation
- Sets safety standards for fuel oil piping, storage, and solar thermal systems
- Appendices include permit fee schedules, chimney diagrams, and appeal procedures
Who It’s For:
Mechanical contractors, engineers, inspectors, and HVAC professionals working on code-compliant building system design, installation, and maintenance.
IMC-2021
2021 International Plumbing Code – IPC-2021
The 2021 International Plumbing Code® (IPC) establishes minimum standards for the design, installation, and inspection of plumbing systems in all building types—except one- and two-family dwellings and townhouses up to three stories, which are covered under the IRC. This code supports both prescriptive and performance-based approaches and promotes innovation in materials and design.
Highlights:
- Permits multiple-user all-gender toilet facilities
- Adds two approved methods for sewer relining and rehabilitation
- Allows rooftop solar panels to be installed over vent terminals
- Recognizes CSA B805/ICC 805 for rainwater harvesting system design
- Integrates accessibility provisions from ICC A117.1-2017
- Covers potable and nonpotable water, sanitary and storm drainage, venting, water heaters, and graywater systems
- Structured into prescriptive chapters with appendices and accessibility references
- Fully aligned with the 2021 I-Codes for unified plumbing regulation and enforcement
Who It’s For:
Plumbing engineers, contractors, inspectors, and code officials working on compliant, modern plumbing systems in commercial and multifamily buildings.
IPC-2021
2021 International Plumbing Code – IPC-2021
The 2021 International Plumbing Code® (IPC) establishes minimum standards for the design, installation, and inspection of plumbing systems in all building types—except one- and two-family dwellings and townhouses up to three stories, which are covered under the IRC. This code supports both prescriptive and performance-based approaches and promotes innovation in materials and design.
Highlights:
- Permits multiple-user all-gender toilet facilities
- Adds two approved methods for sewer relining and rehabilitation
- Allows rooftop solar panels to be installed over vent terminals
- Recognizes CSA B805/ICC 805 for rainwater harvesting system design
- Integrates accessibility provisions from ICC A117.1-2017
- Covers potable and nonpotable water, sanitary and storm drainage, venting, water heaters, and graywater systems
- Structured into prescriptive chapters with appendices and accessibility references
- Fully aligned with the 2021 I-Codes for unified plumbing regulation and enforcement
Who It’s For:
Plumbing engineers, contractors, inspectors, and code officials working on compliant, modern plumbing systems in commercial and multifamily buildings.
IPC-2021
ANSI/ASHRAE 62.1-2022: Ventilation for Acceptable Indoor Air Quality
ANSI/ASHRAE Standard 62.1-2022: Ventilation for Acceptable Indoor Air Quality defines minimum requirements for mechanical and natural ventilation systems in commercial, institutional, and industrial buildings. Widely referenced by model codes such as the International Building Code, this standard is critical for achieving acceptable indoor air quality (IAQ) in non-residential environments.
Highlights:
- Defines procedures for assessing outdoor air quality and ventilation by occupancy type
- Revised Section 5 reorganizes systems/equipment content by airflow path
- Updates IAQ Procedure with design compound guidance and mass-balance modeling
- Establishes separation distances for exhaust air and dew point limits for cooled spaces
- Classifies ventilation zones and defines airflow effectiveness and breathing zone metrics
- Covers design, installation, commissioning, and maintenance of ventilation systems
- Includes appendices for healthcare settings, air quality evaluation, compliance paths, and simplified rate calculations
- Incorporates addenda through Appendix Q as part of its continuous maintenance model
Who It’s For:
Designed for mechanical engineers, HVAC professionals, code officials, and facility managers responsible for designing and maintaining compliant ventilation systems that promote occupant health and comfort.
ASHRAE 62.1-2022
ANSI/ASHRAE 62.1-2022: Ventilation for Acceptable Indoor Air Quality
ANSI/ASHRAE Standard 62.1-2022: Ventilation for Acceptable Indoor Air Quality defines minimum requirements for mechanical and natural ventilation systems in commercial, institutional, and industrial buildings. Widely referenced by model codes such as the International Building Code, this standard is critical for achieving acceptable indoor air quality (IAQ) in non-residential environments.
Highlights:
- Defines procedures for assessing outdoor air quality and ventilation by occupancy type
- Revised Section 5 reorganizes systems/equipment content by airflow path
- Updates IAQ Procedure with design compound guidance and mass-balance modeling
- Establishes separation distances for exhaust air and dew point limits for cooled spaces
- Classifies ventilation zones and defines airflow effectiveness and breathing zone metrics
- Covers design, installation, commissioning, and maintenance of ventilation systems
- Includes appendices for healthcare settings, air quality evaluation, compliance paths, and simplified rate calculations
- Incorporates addenda through Appendix Q as part of its continuous maintenance model
Who It’s For:
Designed for mechanical engineers, HVAC professionals, code officials, and facility managers responsible for designing and maintaining compliant ventilation systems that promote occupant health and comfort.
ASHRAE 62.1-2022
2024 International Building Code – IBC-2024
The 2024 International Building Code® (IBC) provides coordinated regulations for the construction, alteration, addition, repair, and maintenance of commercial and multifamily buildings. Published by the International Code Council (ICC), this model code is used across jurisdictions to ensure safe, accessible, and sustainable construction through enforceable design and inspection standards. The 2024 edition introduces substantial updates reflecting emerging building technologies, revised load criteria, and digital integration tools.
Highlights:
- Structural load criteria updated per ASCE 7-22 for wind, seismic, snow, rain, and flood
- Revised risk categories, construction types, and fire-resistance ratings
- Enhancements to accessibility provisions aligned with ICC A117.1-2017
- Mass timber rules expanded for taller and larger buildings under new Type IV classifications
- New requirements for storm shelters in specific educational and emergency facilities
- Improved fire protection systems and egress strategies for large occupant loads
- QR-coded references for change tracking and digital plan review integration
- Updated mechanical, electrical, plumbing, and energy provisions through I-Code coordination
- Appendices revised for tsunami design, grading, rodentproofing, and replicable buildings
- Expanded support for modular and off-site construction methodologies
Who It’s For:
Architects, engineers, contractors, building officials, and developers needing full compliance with 2024 code updates for plan review, permitting, and construction documentation.
IBC-2024
2024 International Building Code – IBC-2024
The 2024 International Building Code® (IBC) provides coordinated regulations for the construction, alteration, addition, repair, and maintenance of commercial and multifamily buildings. Published by the International Code Council (ICC), this model code is used across jurisdictions to ensure safe, accessible, and sustainable construction through enforceable design and inspection standards. The 2024 edition introduces substantial updates reflecting emerging building technologies, revised load criteria, and digital integration tools.
Highlights:
- Structural load criteria updated per ASCE 7-22 for wind, seismic, snow, rain, and flood
- Revised risk categories, construction types, and fire-resistance ratings
- Enhancements to accessibility provisions aligned with ICC A117.1-2017
- Mass timber rules expanded for taller and larger buildings under new Type IV classifications
- New requirements for storm shelters in specific educational and emergency facilities
- Improved fire protection systems and egress strategies for large occupant loads
- QR-coded references for change tracking and digital plan review integration
- Updated mechanical, electrical, plumbing, and energy provisions through I-Code coordination
- Appendices revised for tsunami design, grading, rodentproofing, and replicable buildings
- Expanded support for modular and off-site construction methodologies
Who It’s For:
Architects, engineers, contractors, building officials, and developers needing full compliance with 2024 code updates for plan review, permitting, and construction documentation.
IBC-2024