Already a subscriber? ![](/assets/images/login.png)
![](/assets/images/x.png)
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check![](/assets/images/x.png)
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
![](/assets/images/159.gif)
International Energy Conservation Code, 2012
- 2012 INTERNATIONAL ENERGY CONSERVATION CODE®
- 2012 INTERNATIONAL ENERGY CONSERVATION CODE® IECC® TITLE PAGE
- COPYRIGHT
- PREFACE
- EFFECTIVE USE OF THE INTERNATIONAL ENERGY CONSERVATION CODE
- LEGISLATION
- TABLE OF CONTENTS
- IECC—COMMERCIAL PROVISIONS [Go to Page]
- TABLE OF CONTENTS
- CHAPTER 1 [CE] SCOPE AND ADMINISTRATION [Go to Page]
- PART 1—SCOPE AND APPLICATION [Go to Page]
- SECTION C101 SCOPE AND GENERAL REQUIREMENTS
- SECTION C102 ALTERNATE MATERIALS—METHOD OF CONSTRUCTION, DESIGN OR INSULATING SYSTEMS
- PART 2—ADMINISTRATION AND ENFORCEMENT [Go to Page]
- SECTION C103 CONSTRUCTION DOCUMENTS
- SECTION C104 INSPECTIONS
- SECTION C105 VALIDITY
- SECTION C106 REFERENCED STANDARDS
- SECTION C107 FEES
- SECTION C108 STOP WORK ORDER
- SECTION C109 BOARD OF APPEALS
- CHAPTER 2 [CE] DEFINITIONS [Go to Page]
- SECTION C201 GENERAL
- SECTION C202 GENERAL DEFINITIONS
- CHAPTER 3 [CE] GENERAL REQUIREMENTS [Go to Page]
- SECTION C301 CLIMATE ZONES [Go to Page]
- FIGURE C301.1 CLIMATE ZONES
- TABLE C301.1 CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.3(1) INTERNATIONAL CLIMATE ZONE DEFINITIONS
- TABLE C301.3(2) INTERNATIONAL CLIMATE ZONE DEFINITIONS
- SECTION C302 DESIGN CONDITIONS
- SECTION C303 MATERIALS, SYSTEMS AND EQUIPMENT [Go to Page]
- TABLE C303.1.3(1) DEFAULT GLAZED FENESTRATION U-FACTOR
- TABLE C303.1.3(2) DEFAULT DOOR U-FACTORS
- TABLE C303.1.3(3) DEFAULT GLAZED FENESTRATION SHGC AND VT
- CHAPTER 4 [CE] COMMERCIAL ENERGY EFFICIENCY [Go to Page]
- SECTION C401 GENERAL
- SECTION C402 BUILDING ENVELOPE REQUIREMENTS [Go to Page]
- TABLE C402.2.1.1 MINIMUM ROOF REFLECTANCE AND EMITTANCE OPTIONSa
- TABLE C402.1.2 OPAQUE THERMAL ENVELOPE ASSEMBLY REQUIREMENTSa
- TABLE C402.2 OPAQUE THERMAL ENVELOPE REQUIREMENTSa
- EQUATION 4-1
- TABLE C402.3 BUILDING ENVELOPE REQUIREMENTS: FENESTRATION
- EQUATION 4-2
- TABLE C402.3.3.1 SHGC ADJUSTMENT MULTIPLIERS
- TABLE C402.4.3 MAXIMUM AIR INFILTRATION RATE FOR FENESTRATION ASSEMBLIES
- SECTION C403 BUILDING MECHANICAL SYSTEMS [Go to Page]
- EQUATION 4-3
- EQUATION 4-4
- TABLE C403.2.3(1) MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS [Go to Page]
- TABLE C403.2.3(1)—continued MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS
- TABLE C403.2.3(2) MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AND APPLIED HEAT PUMPS [Go to Page]
- TABLE C403.2.3(2)—continued MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AND APPLIED HEAT PUMPS
- TABLE C403.2.3(3) MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED PACKAGED TERMINAL AIR CONDITIONERS, PACKAGED TERMINAL HEAT PUMPS, SINGLE-PACKAGE VERTICAL AIR CONDITIONERS, SINGLE VERTICAL HEAT PUMPS, ROOM AIR CONDITIONERS AND ROOM AIR-CONDITIONER HEAT PUMPS [Go to Page]
- TABLE C403.2.3(3)—continued MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED PACKAGED TERMINAL AIR CONDITIONERS, PACKAGED TERMINAL HEAT PUMPS, SINGLE-PACKAGE VERTICAL AIR CONDITIONERS, SINGLE VERTICAL HEAT PUMPS, ROOM AIR CONDITIONERS AND ROOM AIR-CONDITIONER HEAT PUMPS
- TABLE 403.2.3(4) WARM AIR FURNACES AND COMBINATION WARM AIR FURNACES/AIR-CONDITIONING UNITS, WARM AIR DUCT FURNACES AND UNIT HEATERS, MINIMUM EFFICIENCY REQUIREMENTS
- TABLE C403.2.3(5) MINIMUM EFFICIENCY REQUIREMENTS: GAS- AND OIL-FIRED BOILERS
- TABLE C403.2.3(6) MINIMUM EFFICIENCY REQUIREMENTS: CONDENSING UNITS, ELECTRICALLY OPERATED
- TABLE C403.2.3(7) MINIMUM EFFICIENCY REQUIREMENTS: WATER CHILLING PACKAGESa
- TABLE C403.2.3(8) MINIMUM EFFICIENCY REQUIREMENTS: HEAT REJECTION EQUIPMENT
- TABLE C403.2.3(9) HEAT TRANSFER EQUIPMENT
- TABLE C403.2.6 ENERGY RECOVERY REQUIREMENT
- EQUATION 4-5
- TABLE C403.2.8 MINIMUM PIPE INSULATION THICKNESS (thickness in inches)a
- TABLE C403.2.10.1(1) FAN POWER LIMITATION
- TABLE C403.2.10.1(2) FAN POWER LIMITATION PRESSURE DROP ADJUSTMENT
- TABLE C403.3.1(1) ECONOMIZER REQUIREMENTS
- TABLE C403.3.1(2) EQUIPMENT EFFICIENCY PERFORMANCE EXCEPTION FOR ECONOMIZERS
- TABLE C403.3.1.1.3(1) HIGH-LIMIT SHUTOFF CONTROL OPTIONS FOR AIR ECONOMIZERS
- TABLE C403.3.1.1.3(2) HIGH-LIMIT SHUTOFF CONTROL SETTING FOR AIR ECONOMIZERS
- TABLE C403.4.7 MAXIMUM HOT GAS BYPASS CAPACITY
- SECTION C404 SERVICE WATER HEATING (MANATORY) [Go to Page]
- TABLE C404.2 MINIMUM PERFORMANCE OF WATER-HEATING EQUIPMENT
- SECTION C405 ELECTRICAL POWER AND LIGHTING SYSTEMS (MANDATORY) [Go to Page]
- TABLE C405.5.2(1) INTERIOR LIGHTING POWER ALLOWANCES: BUILDING AREA METHOD
- TABLE C405.5.2(2) INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD [Go to Page]
- TABLE C405.5.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD [Go to Page]
- TABLE C405.5.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
- TABLE C405.6.2(1) EXTERIOR LIGHTING ZONES
- TABLE C405.6.2(2) INDIVIDUAL LIGHTING POWER ALLOWANCES FOR BUILDING EXTERIORS
- SECTION C406 ADDITIONAL EFFICIENCY PACKAGE OPTIONS [Go to Page]
- TABLE C406.2(1) UNITARY AIR CONDITIONERS AND CONDENSING UNITS, ELECTRICALLY OPERATED, EFFICIENCY REQUIREMENTS
- TABLE C406.2(2) UNITARY AND APPLIED HEAT PUMPS, ELECTRICALLY OPERATED, EFFICIENCY REQUIREMENTS
- TABLE C406.2(3) PACKAGED TERMINAL AIR CONDITIONERS AND PACKAGED TERMINALHEAT PUMPS
- TABLE C406.2(4) WARM AIR FURNACES AND COMBINATION WARM AIR FURNACES/AIR-CONDITIONING UNITS, WARM AIR DUCT FURNACES AND UNIT HEATERS, EFFICIENCY REQUIREMENTS
- TABLE C406.2(5) BOILER, EFFICIENCY REQUIREMENTS
- TABLE C406.2(6) CHILLERS—EFFICIENCY REQUIREMENTS
- TABLE C406.2(7) ABSORPTION CHILLERS—EFFICIENCY REQUIREMENTS
- TABLE C406.3 REDUCED INTERIOR LIGHTING POWER
- SECTION C407 TOTAL BUILDING PERFORMANCE [Go to Page]
- TABLE C407.5.1(1) SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS [Go to Page]
- TABLE C407.5.1(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
- TABLE C407.5.1(2) HVAC SYSTEMS MAP
- TABLE C407.5.1(3) SPECIFICATIONS FOR THE STANDARD REFERENCE DESIGN HVAC SYSTEM DESCRIPTIONS
- TABLE C407.5.1(4) NUMBER OF CHILLERS
- TABLE C407.5.1(5) WATER CHILLER TYPES
- SECTION C408 SYSTEM COMMISSIONING
- CHAPTER 5 REFERENCED STANDARDS [Go to Page]
- AAMA
- AHAM
- AHRI
- AMCA
- ANSI
- ASHRAE
- ASTM
- CSA
- CTI
- DASMA
- DOE
- ICC
- IESNA
- ISO
- NFRC
- SMACNA
- UL
- US-FTC
- WDMA
- INDEX
- IECC—RESIDENTIAL PROVISIONS [Go to Page]
- TABLE OF CONTENTS
- CHAPTER 1 [RE] SCOPE AND ADMINISTRATION [Go to Page]
- PART 1—SCOPE AND APPLICATION [Go to Page]
- SECTION R101 SCOPE AND GENERAL REQUIREMENTS
- SECTION R102 ALTERNATE MATERIALS—METHOD OF CONSTRUCTION, DESIGN OR INSULATING SYSTEMS
- PART 2—ADMINISTRATION AND ENFORCEMENT [Go to Page]
- SECTION R103 CONSTRUCTION DOCUMENTS
- SECTION R104 INSPECTIONS
- SECTION R105 VALIDITY
- SECTION R106 REFERENCED STANDARDS
- SECTION R107 FEES
- SECTION R108 STOP WORK ORDER
- SECTION R109 BOARD OF APPEALS
- CHAPTER 2 [RE] DEFINITIONS [Go to Page]
- SECTION R201 GENERAL
- SECTION R202 GENERAL DEFINITIONS
- CHAPTER 3 [RE] GENERAL REQUIREMENTS [Go to Page]
- SECTION R301 CLIMATE ZONES [Go to Page]
- FIGURE R301.1 CLIMATE ZONES
- TABLE R301.1 CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY [Go to Page]
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.3(1) INTERNATIONAL CLIMATE ZONE DEFINITIONS
- TABLE R301.3(2) INTERNATIONAL CLIMATE ZONE DEFINITIONS
- SECTION R302 DESIGN CONDITIONS
- SECTION R303 MATERIALS, SYSTEMS AND EQUIPMENT [Go to Page]
- TABLE R303.1.3(1) DEFAULT GLAZED FENESTRATION U-FACTOR
- TABLE R303.1.3(2) DEFAULT DOOR U-FACTORS
- TABLE R303.1.3(3) DEFAULT GLAZED FENESTRATION SHGC AND VT
- CHAPTER 4 [RE] RESIDENTIAL ENERGY EFFICIENCY [Go to Page]
- SECTION R401 GENERAL
- SECTION R402 BUILDING THERMAL ENVELOPE [Go to Page]
- TABLE R402.1.1 INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa
- TABLE R402.1.3 EQUIVALENT U-FACTORSa
- TABLE R402.2.6 STEEL-FRAME CEILING, WALL AND FLOOR INSULATION (R-VALUE)
- TABLE R402.4.1.1 AIR BARRIER AND INSULATION INSTALLATION
- SECTION R403 SYSTEMS [Go to Page]
- TABLE R403.4.2 MAXIMUM RUN LENGTH (feet)a
- TABLE R403.5.1 MECHANICAL VENTILATION SYSTEM FAN EFFICACY
- SECTION R404 ELECTRICAL POWER AND LIGHTING SYSTEMS (MANDATORY)
- SECTION R405 SIMULATED PERFORMANCE ALTERNATIVE (PERFORMANCE) [Go to Page]
- TABLE R405.5.2(1) SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS [Go to Page]
- TABLE R405.5.2(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS [Go to Page]
- TABLE R405.5.2(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
- TABLE R405.5.2(2) DEFAULT DISTRIBUTION SYSTEM EFFICIENCIES FOR PROPOSED DESIGNSa
- CHAPTER 5 REFERENCED STANDARDS [Go to Page]
- AAMA
- ACCA
- ASHRAE
- ASTM
- CSA
- ICC
- NFRC
- US-FTC
- WDMA
- INDEX
- ICC MEMBERSHIP BENEFITS
- ICC EVALUATION SERVICE ICC-ES
- MAINTAIN YOUR SUSTAINABLE BUILDING EXPERTISE WITH GREEN/ENERGY TRAINING
- COMMITTED TO BUILDING A GREEN AND SUSTAINABLE WORLD
- HELPFUL LINKS [Go to Page]
- ICC WEBSITE
- ICC PRODUCT STORE
- IMMEDIATE DOWNLOADS 24/7 AT THE ECODES STORE
- ICC EVALUATION SERVICE - EVALUATION REPORTS OF PRODUCTS [Go to Page]