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Virginia Energy Conservation Code, 2018
- 2018 VIRGINIA ENERGY CONSERVATION CODE
- 2018 VIRGINIA ENERGY CONSERVATION CODE TITLE PAGE
- COPYRIGHT
- PREFACE
- TABLE OF CONTENTS
- VECC—COMMERCIAL PROVISIONS [Go to Page]
- TABLE OF CONTENTS
- CHAPTER 1 ADMINISTRATION [Go to Page]
- SECTION 101 GENERAL
- SECTION 102 PURPOSE AND SCOPE
- SECTION 103 APPLICATION OF CODE
- SECTION 104 ENFORCEMENT, GENERALLY
- SECTION 105 LOCAL BUILDING DEPARTMENT
- SECTION 106 POWERS AND DUTIES OF THE BUILDING OFFICIAL
- SECTION 107 FEES
- SECTION 108 APPLICATION FOR PERMIT
- SECTION 109 CONSTRUCTION DOCUMENTS
- SECTION 110 PERMITS
- SECTION 111 REGISTERED DESIGN PROFESSIONAL SERVICES
- SECTION 112 WORKMANSHIP, MATERIALS AND EQUIPMENT
- SECTION 113 INSPECTIONS
- SECTION 114 STOP WORK ORDERS
- SECTION 115 VIOLATIONS
- SECTION 116 CERTIFICATES OF OCCUPANCY
- SECTION 117 TEMPORARY AND MOVED BUILDINGS AND STRUCTURES; DEMOLITION
- SECTION 118 UNSAFE BUILDINGS OR STRUCTURES
- SECTION 119 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
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- 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 WINDOW, GLASS DOOR AND SKYLIGHT U-FACTORS
- TABLE C303.1.3(2) DEFAULT OPAQUE 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]
- EQUATION 4-1
- TABLE C402.1.4.1 EFFECTIVE R-VALUES FOR STEEL STUD WALL ASSEMBLIES
- TABLE C402.1.3 OPAQUE THERMAL ENVELOPE INSULATION COMPONENT MINIMUM REQUIREMENTS, R-VALUE METHOD
- TABLE C402.1.4 OPAQUE THERMAL ENVELOPE ASSEMBLY MAXIMUM REQUIREMENTS, U-FACTOR METHOD
- EQUATION 4-2
- TABLE C402.3 MINIMUM ROOF REFLECTANCE AND EMITTANCE OPTIONS
- TABLE C402.4 BUILDING ENVELOPE FENESTRATION MAXIMUM U-FACTOR AND SHGC REQUIREMENTS
- EQUATION 4-3
- EQUATION 4-5
- TABLE C402.4.3 SHGC ADJUSTMENT MULTIPLIERS
- TABLE C402.5.2 MAXIMUM AIR LEAKAGE RATE FOR FENESTRATION ASSEMBLIES
- SECTION C403 BUILDING MECHANICAL SYSTEMS [Go to Page]
- EQUATION 4-6
- EQUATION 4-7
- TABLE C403.3.3 MAXIMUM HOT GAS BYPASS CAPACITY
- TABLE C403.3.4 BOILER TURNDOWN
- TABLE C403.3.2(1) MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS [Go to Page]
- TABLE C403.3.2(1)—continued MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS
- TABLE C403.3.2(2) MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AND APPLIED HEAT PUMPS [Go to Page]
- TABLE C403.3.2(2)—continued MINIMUM EFFICIENCY REQUIREMENTS: ELECTRICALLY OPERATED UNITARY AND APPLIED HEAT PUMPS
- TABLE C403.3.2(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 C403.3.2(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 C403.3.2(4) WARM-AIR FURNACES AND COMBINATION WARM-AIR FURNACES/AIR-CONDITIONING UNITS, WARM-AIR DUCT FURNACES AND UNIT HEATERS, MINIMUM EFFICIENCY REQUIREMENTS
- TABLE C403.3.2(5) MINIMUM EFFICIENCY REQUIREMENTS: GAS- AND OIL-FIRED BOILERS
- TABLE C403.3.2(6) MINIMUM EFFICIENCY REQUIREMENTS: CONDENSING UNITS, ELECTRICALLY OPERATED
- TABLE C403.3.2(7) WATER CHILLING PACKAGES – EFFICIENCY REQUIREMENTS
- TABLE C403.3.2(8) MINIMUM EFFICIENCY REQUIREMENTS: HEAT REJECTION EQUIPMENT
- TABLE C403.3.2(9) MINIMUM EFFICIENCY AIR CONDITIONERS AND CONDENSING UNITS SERVING COMPUTER ROOMS
- TABLE C403.3.2(10) HEAT TRANSFER EQUIPMENT
- TABLE C403.4.4 VARIABLE SPEED DRIVE (VSD) REQUIREMENTS FOR DEMAND-CONTROLLED PUMPS
- TABLE C403.5(2) EQUIPMENT EFFICIENCY PERFORMANCE EXCEPTION FOR ECONOMIZERS
- TABLE C403.5(1) MINIMUM CHILLED-WATER SYSTEM COOLING CAPACITY FOR DETERMINING ECONOMIZER COOLING REQUIREMENTS
- TABLE C403.5.1 DX COOLING STAGE REQUIREMENTS FOR MODULATING AIRFLOW UNITS
- TABLE C403.5.3.3 HIGH-LIMIT SHUTOFF CONTROL SETTING FOR AIR ECONOMIZERSb
- TABLE C403.7.4(1) ENERGY RECOVERY REQUIREMENT
- TABLE C403.7.4(2) ENERGY RECOVERY REQUIREMENT
- TABLE C403.7.5 MAXIMUM NET EXHAUST FLOW RATE,CFM PER LINEAR FOOT OF HOOD LENGTH
- TABLE C403.8.1(1) FAN POWER LIMITATION
- TABLE C403.8.1(2) FAN POWER LIMITATION PRESSURE DROP ADJUSTMENT
- TABLE C403.8.5.1 COOLING SYSTEMS
- TABLE C403.10.1(1) MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL REFRIGERATION
- TABLE C403.10.1(2) MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL REFRIGERATORS AND FREEZERS [Go to Page]
- TABLE C403.10.1(2)—continued MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL REFRIGERATORS AND FREEZERS
- TABLE C403.10.2.1(1) WALK-IN COOLER AND FREEZER DISPLAY DOOR EFFICIENCY REQUIREMENTSa
- TABLE C403.10.2.1(2) WALK-IN COOLER AND FREEZER NONDISPLAY DOOR EFFICIENCY REQUIREMENTSa
- TABLE C403.10.2.1(3) WALK-IN COOLER AND FREEZER REFRIGERATION SYSTEM EFFICIENCY REQUIREMENTS
- EQUATION 4-8
- TABLE C403.11.3 MINIMUM PIPE INSULATION THICKNESS (in inches)
- SECTION C404 SERVICE WATER HEATING (MANDATORY) [Go to Page]
- TABLE C404.5.1 PIPING VOLUME AND MAXIMUM PIPING LENGTHS
- TABLE C404.2 MINIMUM PERFORMANCE OF WATER-HEATING EQUIPMENT [Go to Page]
- TABLE C404.2—continued MINIMUM PERFORMANCE OF WATER-HEATING EQUIPMENT
- SECTION C405 ELECTRICAL POWER AND LIGHTING SYSTEMS [Go to Page]
- EQUATION 4-9
- EQUATION 4-10
- FIGURE C405.2.3.2 SIDELIT ZONE
- FIGURE C405.2.3.3(1) TOPLIT ZONE
- EQUATION 4-11
- FIGURE C405.2.3.3(2) DAYLIGHT ZONE UNDER A ROOFTOP MONITOR
- FIGURE C405.2.3.3(3) DAYLIGHT ZONE UNDER A SLOPED ROOFTOP MONITOR
- TABLE C405.4.2(1) EXTERIOR LIGHTING ZONES
- TABLE C405.3.2(1) INTERIOR LIGHTING POWER ALLOWANCES: BUILDING AREA METHOD
- TABLE C405.3.2(2) INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD [Go to Page]
- TABLE C405.3.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
- TABLE C405.3.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
- TABLE C405.3.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
- TABLE C405.4.2(2) LIGHTING POWER ALLOWANCES FOR BUILDING EXTERIORS
- TABLE C405.4.2(3) INDIVIDUAL LIGHTING POWER ALLOWANCES FOR BUILDING EXTERIORS
- TABLE C405.6 MINIMUM NOMINAL EFFICIENCY LEVELS FOR 10 CFR 431 LOW-VOLTAGE DRY-TYPE DISTRIBUTION TRANSFORMERS
- TABLE C405.7(1) MINIMUM NOMINAL FULL-LOAD EFFICIENCY FOR NEMA DESIGN A, NEMA DESIGN B, AND IEC DESIGN N MOTORS (EXCLUDING FIRE PUMP) ELECTRIC MOTORS AT 60 HZa, b
- TABLE C405.7(2) MINIMUM NOMINAL FULL-LOAD EFFICIENCY FOR NEMA DESIGN C AND IEC DESIGN H MOTORS AT 60 HZa, b
- TABLE C405.7(3) MINIMUM AVERAGE FULL-LOAD EFFICIENCY POLYPHASE SMALL ELECTRIC MOTORSa
- TABLE C405.7(4) MINIMUM AVERAGE FULL-LOAD EFFICIENCY FOR CAPACITOR-START CAPACITOR-RUN AND CAPACITOR-START INDUCTION-RUN SMALL ELECTRIC MOTORSa
- SECTION C406 ADDITIONAL EFFICIENCY PACKAGES
- 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 MAINTENANCE INFORMATION AND SYSTEM COMMISSIONING [Go to Page]
- FIGURE C408.2.4 COMMISSIONING COMPLIANCE CHECKLIST
- CHAPTER 5 [CE] EXISTING BUILDINGS [Go to Page]
- SECTION C501 GENERAL
- SECTION C502 ADDITIONS
- SECTION C503 ALTERATIONS
- SECTION C504 REPAIRS
- SECTION C505 CHANGE OF OCCUPANCY OR USE
- CHAPTER 6 [CE] REFERENCED STANDARDS [Go to Page]
- AAMA
- AHAM
- AHRI
- AMCA
- ANSI
- APSP
- ASHRAE
- ASME
- ASTM
- CRRC
- CSA
- CTI
- DASMA
- DOE
- ICC
- IEEE
- IES
- ISO
- NEMA
- NFPA
- NFRC
- SMACNA
- UL
- US-FTC
- WDMA
- APPENDIX CA SOLAR-READY ZONE—COMMERCIAL [Go to Page]
- SECTION CA101 SCOPE
- SECTION CA102 GENERAL DEFINITION
- SECTION CA103 SOLAR-READY ZONE
- INDEX
- VECC—RESIDENTIAL PROVISIONS [Go to Page]
- TABLE OF CONTENTS
- CHAPTER 1 ADMINISTRATION [Go to Page]
- SECTION 101 GENERAL
- SECTION 102 PURPOSE AND SCOPE
- SECTION 103 APPLICATION OF CODE
- SECTION 104 ENFORCEMENT, GENERALLY
- SECTION 105 LOCAL BUILDING DEPARTMENT
- SECTION 106 POWERS AND DUTIES OF THE BUILDING OFFICIAL
- SECTION 107 FEES
- SECTION 108 APPLICATION FOR PERMIT
- SECTION 109 CONSTRUCTION DOCUMENTS
- SECTION 110 PERMITS
- SECTION 111 REGISTERED DESIGN PROFESSIONAL SERVICES
- SECTION 112 WORKMANSHIP, MATERIALS AND EQUIPMENT
- SECTION 113 INSPECTIONS
- SECTION 114 STOP WORK ORDERS
- SECTION 115 VIOLATIONS
- SECTION 116 CERTIFICATES OF OCCUPANCY
- SECTION 117 TEMPORARY AND MOVED BUILDINGS AND STRUCTURES; DEMOLITION
- SECTION 118 UNSAFE BUILDINGS OR STRUCTURES
- SECTION 119 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
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORY
- 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 WINDOW, GLASS DOOR AND SKYLIGHT U-FACTORS
- TABLE R303.1.3(2) DEFAULT OPAQUE 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 R402.1.2 INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa
- TABLE R402.1.4 EQUIVALENT U-FACTORSa
- TABLE R402.2.6 STEEL-FRAME CEILING, WALL AND FLOOR INSULATION R-VALUES
- TABLE R402.4.1.1 AIR BARRIER AND INSULATION INSTALLATIONa
- SECTION R403 SYSTEMS [Go to Page]
- TABLE R403.6.1 WHOLE-HOUSE MECHANICAL VENTILATION SYSTEM FAN EFFICACYa
- SECTION R404 ELECTRICAL POWER AND LIGHTING SYSTEMS
- 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
- 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
- SECTION R406 ENERGY RATING INDEX COMPLIANCE ALTERNATIVE [Go to Page]
- EQUATION 4-1
- TABLE R406.4 MAXIMUM ENERGY RATING INDEX
- CHAPTER 5 [RE] EXISTING BUILDINGS [Go to Page]
- SECTION R501 GENERAL
- SECTION R502 ADDITIONS
- SECTION R503 ALTERATIONS
- SECTION R504 REPAIRS
- SECTION R505 CHANGE OF OCCUPANCY OR USE
- CHAPTER 6 [RE] REFERENCED STANDARDS [Go to Page]
- AAMA
- ACCA
- APSP
- ASHRAE
- ASTM
- CSA
- DASMA
- HVI
- ICC
- IEEE
- NFPA
- NFRC
- RESNET
- UL
- US-FTC
- WDMA
- APPENDIX RA SOLAR-READY PROVISIONS—DETACHED ONE- AND TWO-FAMILY DWELLINGS AND TOWNHOUSES [Go to Page]
- SECTION RA101 SCOPE
- SECTION RA102 GENERAL DEFINITION
- SECTION RA103 SOLAR-READY ZONE
- INDEX
- HELPFUL TOOLS FOR LEARNING AND APPLYING YOUR ENERGY CODE
- TELEWORK WITH ICC DIGITAL CODES PREMIUM
- ICC LEARNING CENTER
- SOLAR RATING & CERTIFICATION CORPORATION (ICC-SRCC)™ [Go to Page]