HVAC Permits by State
Complete directory of HVAC permit requirements, energy codes, and building department information for contractors nationwide. Select your state to get started.
45
States Covered
2721
Major Cities
34,110
ZIP Codes
Select Your State
Choose your state to access comprehensive HVAC permit information, energy code requirements, and building department contacts.
Alabama
AL
Energy Code:2018 IECC
Cities:69
ZIP Codes:831
View State Permits
Alaska
AK
Energy Code:2021 IECC
Cities:24
ZIP Codes:229
View State Permits
Arizona
AZ
Energy Code:2021 IECC
Cities:18
ZIP Codes:569
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Arkansas
AR
Energy Code:2021 IECC
Cities:78
ZIP Codes:713
View State Permits
California
CA
Energy Code:2022 Title 24
Cities:63
ZIP Codes:2,657
View State Permits
Colorado
CO
Energy Code:2021 IECC
Cities:64
ZIP Codes:658
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Connecticut
CT
Energy Code:2021 IECC
Cities:15
ZIP Codes:438
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Delaware
DE
Energy Code:2021 IECC
Cities:3
ZIP Codes:98
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Florida
FL
Energy Code:2021 IECC
Cities:71
ZIP Codes:1,495
View State Permits
Georgia
GA
Energy Code:2021 IECC
Cities:161
ZIP Codes:971
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Hawaii
HI
Energy Code:2021 IECC
Cities:5
ZIP Codes:139
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Idaho
ID
Energy Code:2021 IECC
Cities:45
ZIP Codes:297
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Illinois
IL
Energy Code:2021 IECC
Cities:100
ZIP Codes:1,534
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Indiana
IN
Energy Code:2020 IECC
Cities:95
ZIP Codes:993
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Iowa
IA
Energy Code:2021 IECC
Cities:98
ZIP Codes:1,040
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Kansas
KS
Energy Code:2021 IECC
Cities:105
ZIP Codes:747
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Kentucky
KY
Energy Code:2021 IECC
Cities:121
ZIP Codes:954
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Louisiana
LA
Energy Code:2015 IECC
Cities:67
ZIP Codes:725
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Maine
ME
Energy Code:2021 IECC
Cities:16
ZIP Codes:488
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Maryland
MD
Energy Code:2021 IECC
Cities:21
ZIP Codes:470
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Massachusetts
MA
Energy Code:2021 IECC
Cities:17
ZIP Codes:703
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Michigan
MI
Energy Code:2020 IECC
Cities:86
ZIP Codes:1,170
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Minnesota
MN
Energy Code:2020 IECC
Cities:88
ZIP Codes:1,027
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Mississippi
MS
Energy Code:2021 IECC
Cities:84
ZIP Codes:529
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Missouri
MO
Energy Code:2020 IECC
Cities:117
ZIP Codes:1,171
View State Permits
Montana
MT
Energy Code:2021 IECC
Cities:54
ZIP Codes:387
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Nebraska
NE
Energy Code:2021 IECC
Cities:96
ZIP Codes:621
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Nevada
NV
Energy Code:2021 IECC
Cities:18
ZIP Codes:255
View State Permits
New Jersey
NJ
Energy Code:2021 IECC
Cities:3
ZIP Codes:11
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New Mexico
NM
Energy Code:2021 IECC
Cities:3
ZIP Codes:60
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New York
NY
Energy Code:2020 NYSECC
Cities:3
ZIP Codes:192
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North Carolina
NC
Energy Code:2021 IECC
Cities:3
ZIP Codes:138
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Ohio
OH
Energy Code:2021 IECC
Cities:91
ZIP Codes:1,447
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Oklahoma
OK
Energy Code:2021 IECC
Cities:78
ZIP Codes:767
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Oregon
OR
Energy Code:2021 IECC
Cities:39
ZIP Codes:492
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Pennsylvania
PA
Energy Code:2021 IECC
Cities:70
ZIP Codes:2,213
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South Carolina
SC
Energy Code:2021 IECC
Cities:3
ZIP Codes:52
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Tennessee
TN
Energy Code:2021 IECC
Cities:98
ZIP Codes:796
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Texas
TX
Energy Code:2021 IECC
Cities:248
ZIP Codes:2,493
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Utah
UT
Energy Code:2021 IECC
Cities:30
ZIP Codes:349
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Vermont
VT
Energy Code:2021 IECC
Cities:14
ZIP Codes:309
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Virginia
VA
Energy Code:2021 IECC
Cities:101
ZIP Codes:1,060
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Washington
WA
Energy Code:2021 IECC
Cities:41
ZIP Codes:735
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Wisconsin
WI
Energy Code:2021 IECC
Cities:74
ZIP Codes:892
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Wyoming
WY
Energy Code:2021 IECC
Cities:23
ZIP Codes:195
View State Permits
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Understanding State Energy Codes
Each state adopts specific energy efficiency standards that govern HVAC installations. Here's what you need to know about compliance requirements.
Common Requirements
ACCA Manual J load calculations
Equipment efficiency standards
Duct system sizing and design
Building envelope compliance
Ventilation requirements
REScheck energy documentation
Code Versions by State
Alabama2018 IECC
Alaska2021 IECC
Arizona2021 IECC
Arkansas2021 IECC
California2022 Title 24
Colorado2021 IECC
Connecticut2021 IECC
Delaware2021 IECC
+ 37 more states with specific energy code requirements